Battery life much worse

seems like my battery is running down much faster with the moverick operating system. anyone experiencing the same? suggestions? thanks.

To help determine the possible causes of this behaviour read the following. None of what follows is intended to fix anything, but it will provide the additional information required to advance troubleshooting:
Apple Support Communities contributor etresoft wrote a very useful app to quickly gather certain system information that may help point to a cause of this problem. Go to his website, download and run EtreCheck:
http://www.etresoft.com/etrecheck
Etrecheck will be in your Downloads folder. Open it from there. You may see the following dialog box:
Click Open - etresoft contributes to this forum frequently and can be considered a trustworthy developer.
It will take a moment to run as it collects its data.
Copy and paste its output in a reply.
Do not be concerned about anything that says "Problem" or “failed” or anything else that may appear in red.
EtreCheck was designed to remove any personal information (such as your computer's name and serial numbers) but if you see anything that looks like an email address or any other personal information that should not be divulged to others, please delete or obscure that information when you post the reply.
When you are finished with EtreCheck, quit the program. It occupies very little space, and you can keep it or drag it to the Trash as you wish.
After completing the above please determine if the problems also occur in "Safe Mode":
Safe Mode or "Safe Boot" is a troubleshooting mode that bypasses all third party system extensions and loads only required system components. Read about it: Starting up in Safe Mode
You must disable FileVault before you can start your Mac in Safe Mode.
Starting your Mac in Safe Mode will take longer than usual, graphics will not render smoothly, audio is disabled on some Macs, and some programs (iTunes for example) may not work at all.
Merely starting your Mac in Safe Mode is not intended to resolve the problem, it's to observe its performance without certain additional components.
To end Safe Mode restart your Mac normally. Shutdown will take longer as well.
Some users have reported an SMC reset to be beneficial. Be sure to read the procedure carefully and follow all the steps exactly as written, even if they seem inapplicable or trivial.

Similar Messages

My iphone is currently using battery life much more quickly than inthe past, and it also has an icon tht is starying on the screen, to the left of the battery charge percentage, that looks like a lock with a circle around it

i have an iphone that is using battery life much more quickly than in the past, a full charge is going to zero in a half a day or so, with out much use.
an icon is also appearing next to the charge percentage in the top right, and the icon is a circle around a lock
can anyone tell me what the problem is, and what the icon means?

The Icon meas your display orientation is locked to vertical so it wont change when you turn the phone sideways.
First thing you should check with the battery life is multitasking, which also happens to be where the orientation lock can be turned off. check out http://support.apple.com/kb/HT4211 and go from there

Battery life is WORSE!

OK, I thought I would give it a couple of days to make sure but I have to say that the battery life is worse than my old 3g.
I do nothing differnt on the new one and yet it drains faster!
Hope this is a bug that can be fixed in an firmware update!
Apart from that, I'm happy with update so far.

McMan wrote:
OK, I thought I would give it a couple of days to make sure but I have to say that the battery life is worse than my old 3g.
I do nothing differnt on the new one and yet it drains faster!
Hope this is a bug that can be fixed in an firmware update!
Apart from that, I'm happy with update so far.
Apple's spec says it's better. I think mine is better. But i wouldn't be surprised if it is worse given the 600mhz processor and 256mb ram, the pure processing power would drain the battery faster.

Battery Life getting Worse

After the upgradtion on iOS 6.1 in my iPhone 4s Wi-Fi greyed out and now my battery life getting worse. Earlier it was 2 days minimum in Standby and now its even can't stay for 7 hours, which is really horriable. Someone battery doesn't stands for a day even less than a day how come he survive
Its really disgusting service and apps whatsoever Apple is doing for their valuable customer.Apple is just to stay here ...not here to compete with other smartphone...if it will contiune within very short time Apple will be out from the market
Now it seems that i should opt out from iPhone and go for other smart Phone.

Adjusting the brightness, turning off notifications from few apps and balancing the volume could help your iPhone battery last longer.

N82 battery life getting worse

Hi
I've had a black N82 for about 3 weeks and over the past few days noticed that the battery life is getting worse.
I charged it one evening last week and within 24 hours it had fully discharged. Over that time I did not take or receive any calls, send or receive any texts. I kept WLAN scanning switched off and played a small 30 second clip of video once. For about half of the time the phone was in a strong 3G area.
I recharged it again and within 18 hours I had 3 bars left (this time I had used WLAN for about 10 mins and sent a couple of texts). Left on "active standby" overnight (as usual) in a wek 3G area it had discharged by the following morning.
For the first two weeks of ownership I have been able to get much more use out of the phone between charges. I have not changed the useage of the phone since I owned it but I now find I am charging it almost once a day rather than once every 3 days.
Am I doing anything wrong? As I live in a weak 3G area wondered if I am better of switching off 3G and if so how I do so. I think I spend about half the time in a strong 3G area (at work etc).
Any advice gratefully received.
Solved!
Go to Solution.

Have you installed any 3rd party applications recently? That could explain why your battery performance has got worse.
I once installed a screensaver on my old N80 and whilst it looked fancy it pretty much killed my battery within half a day's use. As soon as I removed the application the battery performance returned to normal, which for the N80 wasn't that brilliant anyway
Just a thought.
*EDIT* I just had another thought, do you have your N82 paired via Bluetooth to a PC running PC Suite? This will also run your battery down rapidly as the PC Suite software will initiate a BT link automatically whenever the phone is in range and has BT activated. This will also kill a battery much faster than normal.
S.
Message Edited by steve_p on 29-Jun-2008 02:51 PM
History: Motorola MR30, Nokia: 7110, 7650, N70, N80, N82, X6 (32GB), Samsung Galaxy SII
Current: Samsung Galaxy Note3 Black

Battery Life EVEN WORSE After 5.1 Update

I didn't think it was possible, but my battery life is even worse after upgrading to ios 5.1
I'm thinking it's a hardware issue, but it's an unlocked phone purchased in the US, and I'm now in Israel, so I don't know if Orange or any local carrier will exchange it with me unfortunately.
Suggestions?
I'm going to call Apple but I also doubt they will fedex me a new one. They need to hurry up and build their Haifa store here already...

Tentatively seems to have worked.. I was trying to avoid it but I did it and I think it worked. Thanks!

My iphone 4 did the iOS 5 update yesterday and I feel like my battery life is worse. I've only had the phone a week and I havent plugged it into itunes on my laptop at all or anything yet. Anything suggestions?

I did use a lot of apps today and such but I've only been using it for 12 hours and it's at 20%. Never had that happen. How can I fix this? Thanks

I got the same problem to. In 3mins I lost 8% of battery life I just used my phone for like a min. Had my phone for a month now and it started when I updated to ios5 and gone worse when updating to ios5.0.1.

Why is my battery life getting worse on my ipad?

The battery life of my ipad has begun to slump pretty bad. I am not using it any more or less than I always have but for some reason, the battery seems to drain faster than it ever has. Any thoughts?

Try this first - Reset the iPad by holding down on the Sleep and Home buttons at the same time for about 10-15 seconds until the Apple Logo appears - ignore the red slider - let go of the buttons. (This is equivalent to rebooting your computer.)
The quickest way (and really the only way) to charge your iPad is with the included 10W or 12W (5W on Mini) USB Power Adapter. iPad will also charge, although more slowly, when attached to a computer with a high-power USB port (many recent Mac computers) or with an iPhone Power Adapter (5W). When attached to a computer via a standard USB port (2.5W, most PCs or older Mac computers) iPad will charge very slowly (but iPad indicates not charging). Make sure your computer is on while charging iPad via USB. If iPad is connected to a computer that’s turned off or is in sleep or standby mode, the iPad battery will continue to drain.
Apple recommends that once a month you let the iPad fully discharge & then recharge to 100%.
How to Calibrate Your Mac, iPhone, or iPad Battery
http://www.macblend.com/how-to-calibrate-your-mac-iphone-or-ipad-battery/
At this link http://www.tomshardware.com/reviews/galaxy-tab-android-tablet,3014-11.html , tests show that the iPad 2 battery (25 watt-hours) will charge to 90% in 3 hours 1 minute. It will charge to 100% in 4 hours 2 minutes. The new iPad has a larger capacity battery (42 watt-hours), so using the 10W charger will obviously take longer. If you are using your iPad while charging, it will take even longer. It's best to turn your new iPad OFF and charge over night. Also look at The iPad's charging challenge explained http://www.macworld.com/article/1150356/ipadcharging.html
Also, if you have a 3rd generation iPad, look at
Apple: iPad Battery Nothing to Get Charged Up About
http://allthingsd.com/20120327/apple-ipad-battery-nothing-to-get-charged-up-abou t/
Apple Explains New iPad's Continued Charging Beyond 100% Battery Level
http://www.macrumors.com/2012/03/27/apple-explains-new-ipads-continued-charging- beyond-100-battery-level/
New iPad Takes Much Longer to Charge Than iPad 2
http://www.iphonehacks.com/2012/03/new-ipad-takes-much-longer-to-charge-than-ipa d-2.html
Apple Batteries - iPad http://www.apple.com/batteries/ipad.html
iPhone: Hardware troubleshooting (Power/Battery section also applies to iPad)
http://support.apple.com/kb/TS2802
Extend iPad Battery Life (Look at pjl123 comment)
https://discussions.apple.com/thread/3921324?tstart=30
iOS 7 Battery Life Draining Too Fast? It’s Easy to Fix
http://osxdaily.com/2013/09/19/ios-7-battery-life-fix/
New iPad Slow to Recharge, Barely Charges During Use
http://www.pcworld.com/article/252326/new_ipad_slow_to_recharge_barely_charges_d uring_use.html
iPad: Charging the battery
http://support.apple.com/kb/HT4060
Best Practices for iPad Battery Charging
http://www.ilounge.com/index.php/articles/comments/best-practices-for-ipad-batte ry-charging/
Tips About Charging for New iPad 3
http://goodscool-electronics.blogspot.com/2012/04/tips-about-charging-for-new-ip ad-3.html
How to Save and Prolong the battery life of your new ipad
https://discussions.apple.com/thread/4480944?tstart=0
Prolong battery lifespan for iPad / iPad 2 / iPad 3: charging tips
http://thehowto.wikidot.com/prolong-battery-lifespan-for-ipad
iPhone, iPod, Using the iPad Charger
http://support.apple.com/kb/HT4327
Install and use Battery Doctor HD
http://itunes.apple.com/tw/app/battery-doctor-hd/id459702901?mt=8
To Extend a Device’s Battery Life, Get to Know It Better
http://tinyurl.com/b67c7xz
iPad Battery Replacement
http://www.apple.com/batteries/replacements.html
In rare instances when using the Camera Connection Kit, you may notice that iPad does not charge after using the Camera Connection Kit. Disconnecting and reconnecting the iPad from the charger will resolve this issue.
 Cheers, Tom

Why is battery so much worse on the iPhone 3G?

I've been using the old iPhone for a year. And a month ago I switched to the 3G phone. And the battery lasts around 50% compared to the old.
- 3G is off
- Email set to manual
- Brightness less than 50%
- Unlike the old phone, my iPhone 3G is not jailbroken.
I did a test some days ago: Charged the phone fully, and it said "Standby and Usage: 1 minute". The next day when i checked my phone is said standby 12 hours and usage 7 hours. Appearantly the phone was in use, when it was locked?
I'm getting really tired of this phone... The old one was much better

No genious bar in my country, only option is mailing it to a servicepoint which will probably take several weeks
Anyway, what could possibly be running? Battery has been like that since i got the phone, and i've upgraded firmware several times, now running 2.1. I restart the phone a couple of times during the week.

IPhone 4S Battery Life: Best solutions and procedures for 1st time user: 1-Do you have a battery life issue (learn first what the usage time spec is about) 2-What can you try to remedy the situation without reading 500 pages of posts

What follows is a grouping of some of the most fruitful procedures - from what I've seen in the biggest battery life issue thread - and some background information and discussion for solving or improving the battery life with the iPhone 4S and may be applicable also to devices on which iOS 5.0/5.0.1 has been applied. Credit goes to the respective users who contributed this information to the forum and they should be commended for doing so. This is not a final listing. The goal here is to provide a first stop sort of knowledge base document for newcomers instead of having them perusing the never ending threads where the wheel is reinvented on every page...
Please don't post your questions, usage screenshots, or claims that it worked or not for you or anything here except PROCEDURES/DEBUG STEPS/SOLUTIONS or improvements to the procedures already listed here. Try to use point form and to be as concise and clear as possible. Hope all this helps.
Thank you and good luck!
General info and specs
First, take a look Apple's battery tips, info and specs(obligatory reading for all Iphone 4S users - read it once and for all):
http://www.apple.com/batteries/iphone.html
http://www.apple.com/batteries/
... you didn't read it? loll Always remember this i.e. the definition of "usage":
Usage: Amount of time iPhone has been awake and in use since the last full charge. The phone is awake when you’re on a call, using email, listening to music, browsing the web, or sending and receiving text messages, or during certain background tasks such as auto-checking email.
I'm still not convinced you read the links so here's what Apple has to say in terms of fine tuning your battery life:
Optimize your settings
Depending on how they are configured, a few features may decrease your iPhone battery life. For example, the frequency with which you retrieve email and the number of email accounts you auto-check can both affect battery life. The tips below apply to an iPhone running iOS 5.0 or later and may help extend your battery life.
Minimize use of location services: Applications that actively use location services such as Maps may reduce battery life. To disable location services, go to Settings > General > Location Services or use location services only when needed.
Turn off push notifications: Some applications from the App Store use the Apple Push Notification service to alert you of new data. Applications that extensively rely on push notifications (such as instant messaging applications) may impact battery life. To disable push notifications, go to Settings > Notifications and set Notifications to Off. Note that this does not prevent new data from being received when the application is opened. Also, the Notifications setting will not be visible if you do not have any applications installed that support push notifications.
Fetch new data less frequently: Applications such as Mail can be set to fetch data wirelessly at specific intervals. The more frequently email or other data is fetched, the quicker your battery may drain. To fetch new data manually, from the Home screen choose Settings > Mail, Contacts, Calendars > Fetch New Data and tap Manually. To increase the fetch interval, go to Settings > Mail, Contacts, Calendars > Fetch New Data and tap Hourly. Note that this is a global setting and applies to all applications that do not support push services.
Turn off push mail: If you have a push mail account such as Yahoo! or Microsoft Exchange, turn off push when you don’t need it. Go to Settings > Mail, Contacts, Calendars > Fetch New Data and set Push to Off. Messages sent to your push email accounts will now be received on your phone based on the global Fetch setting rather than as they arrive.
Auto-check fewer email accounts: You can save power by checking fewer email accounts. This can be accomplished by turning off an email account or by deleting it. To turn off an account, go to Settings > Mail, Contacts, Calendars, choose an email account, and set Account to Off. To remove an account, go to Settings > Mail, Contacts, Calendars, choose an email account, and tap Delete Account.
Turn off Wi-Fi: If you rarely use Wi-Fi, you can turn it off to save power. Go to Settings > Wi-Fi and set Wi-Fi to Off. Note that if you frequently use your iPhone to browse the web, battery life may be improved by using Wi-Fi instead of cellular data networks.
Turn off Bluetooth: If you rarely use a Bluetooth headset or car kit, you can turn off Bluetooth to save power. Go to Settings > General > Bluetooth and set Bluetooth to Off.
Use Airplane Mode in low- or no-coverage areas: Because your iPhone always tries to maintain a connection with the cellular network, it may use more power in low- or no-coverage areas. Turning on Airplane Mode can increase battery life in these situations; however, you will be unable to make or receive calls. To turn on Airplane Mode, go to Settings and set Airplane Mode to On.
Adjust brightness: Dimming the screen is another way to extend battery life. Go to Settings > Brightness and drag the slider to the left to lower the default screen brightness. In addition, turning on Auto-Brightness allows the screen to adjust its brightness based on current lighting conditions. Go to Settings > Brightness and set Auto-Brightness to On.
Turn off EQ: Applying an equalizer setting to song playback on your iPhone can decrease battery life. To turn EQ off, go to Settings > iPod > EQ and tap Off. Note that if you’ve added EQ to songs directly in iTunes, you’ll need to set EQ on iPhone to Flat in order to have the same effect as Off because iPhone keeps your iTunes settings intact. Go to Settings > iPod > EQ and tap Flat.
Usage specs for the 4S - http://www.apple.com/iphone/specs.html:
Talk time: Up to 8 hours (12.5% per hour drain) on 3G, up to 14 hours (7.1% per hour drain) on 2G (GSM)
Standby time: Up to 200 hours (0.5% per hour drain)
Internet use: Up to 6 hours on 3G (16.6% per hour drain), up to 9 hours (11.1% per hour drain) on Wi-Fi
Video playback: Up to 10 hours (10% per hour drain)
Audio playback: Up to 40 hours (2.5% per hour drain)
So a scenario of normal usage could be for example: 4 heavy hours of 3G internet browsing (66.4%), with one hour of call on 3G (12.5%) and 22 hours of standby (11%) = 100%
A battery life issue is a problem where the drain is really out of spec either during usage or standby or both. For example, multi-% per minute drain during usage or a 10% drain per hour during standby is problematic. Browsing the internet on 3G during one hour and losing 16-17% is not.
Apple's test methodology for claiming the specs:
http://www.apple.com/iphone/battery.html
Procedures
davidch tips (reset+full discharge recharge):
Go through these steps to address the battery after updating to iOS 5.0.1:
1. Reset all settings (settings app-> general-> reset)
2. Go through initial setup steps (lang, wifi, siri, enable location, etc) and choose setup as new phone (don't worry your apps, data, contacts, mail will still be there). Do NOT restore from iCloud or iTunes (It can copy back corrupt settings)
3. Turn off system location services timezone and iAd
4. Fully discharge battery (tilll it shuts off with the spinning wheel)
5. Fully recharge battery (overnight if possible)
In my experience this improves the Standby battery drain issue significantly in most cases. It reduces drain from 2-4% or more per hr to 0.5% or less. It has worked for many, many users now. If it does not work after a few try's you may have a real battery or hardware issue and should contact Apple. Good Luck!
ram130's variant of davidch i.e. additional steps:
Now using davidch original steps and attaching the tweaks I made to get me more usage. As shown on page 29.
Go through these steps to address the battery after updating to iOS 5.0.1:
1. Reset all settings (settings app-> general-> reset)
2. Go through initial setup steps (lang, wifi, siri, enable location, etc) and choose setup as new phone (don't worry your apps, data, contacts, mail will still be there). Do NOT restore from iCloud or iTunes (It can copy back corrupt settings)
3. Turn off system location services timezone and iAd
4. Fully discharge battery (till it shuts off with the spinning wheel)
5. Fully recharge battery (overnight if possible)
6. Disable Siri 'Raise To Speak' and REBOOT *( if possible use another camera to verify the                 infrared is off after the reboot).
7. Set emails, icloud and calendars to fetch. ** test. Mines on hourly.
8. If your in a no signal and your phone is saying "Searching..." even after 10mins, reboot while in that area and after 1-2min it should say "No Service". This mainly applies to Verizon customers and improve battery life in these areas.
9. *optional* Goto Settings > General > Network and you will see "Hotspot.." loading something, wait a few seconds and it should say "setup personal hotspot" then exit out.
* I notice a great improvement after disabling this and rebooting. This increased my "screen on" usage or at least helped it. Make the change.
** I have not tested push yet to narrow down the drain but I had this change on my phone. I believe exchange push is responsible for some stand by drain. As for icloud, haven't notice much of a difference. Just try it for a day. My email still came in fast most times. Again still testing, will report back on these..
buxbuster tips(wifi sync, iCloud):
These are my own tested workarounds that worked for my iPhone 4S and seemed to have worked for others as well :
Workaround number 1. Deselect wifi-sync in iTunes and press sync.
If that doesn't work try :
Workaround number 2 : Remove iCloud, reset network settings. ( I guess this won't work for you since you don't have it enabled ).
If both workarounds fail, you can always try to completely wipe your phone. That also solved some of the cases out there.
rolandomerida tips - i.e. buxbuster and additional steps:
Finally, I solved the syncing error loop. My contacts are syncing flawessly again between my devices and iCloud, and yes, the battery stopped draining, which is the main topic here.
I followed instructions from buxbuster (check his workaround a few pages up!) and an additional BIG step to restore contacts and syncing, as seen in a MacRumors forum.
This is what I did:
1. Make a backup of your Address Book, using the vCard option (or both, it doesn't hurt). Save it for later.
2. In your iPhone, delete iCloud account. When it asks, accept both: delete AND delete from my iPhone.
3. Reset network settings. The iPhone will restart, then will ask you to unlock the SIM card.
4.Turn Wi-Fi on.
5. Add the iCloud account again.
That's for Buxbuster's workaround. For some, it might work just like that. My iPhone repopulated from iCloud after step 5, but I still had that "server error" on iCloud. I had to do some extra steps, since my Mac was not syncing to iCloud and couldn't edit anything on my Mac or iCloud. Syncing back had to be fixed, too. If not, the syncing loop would continue from my iPhone, and the battery would drain awfully again.
1. In System Preferences -> iCloud, I turned Contacts off. I chose "keep on My Mac" those contacts, but I got an empty Address Book after a while. And a few minutes later, iCloud contacts were empty and my iPhone also. It is scary at first! Now, before importing that vCard backup...
2. Turn Wi-Fi off. This is important, since your contact-empty iCloud will attempt to wipe your Address Book from your Mac in seconds after importing.
3. Import your vCard backup to Address Book. Just drag it to your blank Address Book window; it asks if you want to import "x" number of cards. Of course, say yes.
4. Turn Wi-Fi on, and then iCloud contacts on again (System Preferences -> iCloud). It will offer to merge your newly populated Address Book with iCloud (which is empty at this point). It should upload every single contact to iCloud, and then to your iDevices. If not, a fifth step would be to import the vCard file to iCloud, but it shouldn't be necessary.
So, with iCloud syncing working correctly, there is no battery draining! Again, that was my particular issue.
I can't tell if this is the single answer to the widely spread battery draining problem, but it sure can be fixed with these workarounds, and yes, Apple should address the problem with a future update, for we affected customers don't need workarounds in the first place
This is the MacRumors discussion:
http://forums.macrumors.com/showthread.php?t=1256807
And dont' forget to check buxbuster's fix, video, and THANK him!
Miless tips (full 800mb release of 5.0.1 and sanitizing a restore):
As for 4S battery life. Try doing this,
1. Settings>Location Service ... disable all location services you do not need. In particularly Facebook because it drains the battery a lot.
Scroll down to the bottom at Settings>Location services>System Services ... Disable Setting Time zone, location based iAds, Diagnostic & Usage.
2. Settings>Notification>Calendar ... turn off the Notification Centre.
3. Settings>General>Reset ... do Reset All Settings. Doing this will not wipe out your iPhone. It will just Reset the network settings, location warning, keyboard dictionary, etc... but it will clear up some corrupted data there. Generally this will help.
Try these 3 steps first... if it still drains a lot, try the following,
4. Drain your battery down to 1%. Then charge it up using USB from PC ... not the charger. The charger output 1.0 A ( x 5V from USB ... you get 5W power). From PC, output is only 0.5A x 5V = 2.5W power. Charging is slower but trickle charge 4S helps the battery retain its charge better. I think it takes about 3-3.5 hours to charge full from USB/PC compared to slightly below 2 hours using iPhone charger.
If after doing the above still could not solve your battery issues (mine with iOS 5.0 was ok up to step 4, but not iOS 5.0.1).... plug you iPhone to a charger (any charger), from iPhone, access your iCloud ... set it up if you havent. Back up your iPhone data to iCloud. if you do not have enough storage (only 5GB is free), go to details and select the apps you need its data backup, choose only those you really need and leave those unnecessary ones out. Back up your camera roll to your PC/Mac manually as it could be too big to backup to iCloud.... once you have it setup, make sure you are on Wifi ... tap backup to iCloud from your iPhone. It will take a while if the file is huge.
Once backup to iCloud is completed, plug your iPhone to PC/Mac and launch iTunes 10.5.1 (make sure you have 10.5.1)
Click Restore. It will automatically initiate a download of iOS 5.0.1 ipsw for iPhone 4S. Wait for the whole process to finish, ie. download, restore software/firmware.
Once its done, do not set up your iPhone from iTunes. Set it up on your iPhone. Go through the selection. When prompted, select restore from iCloud (from your iphone backup earlier). Keep your iphone plugged into iTunes while restoring backup from iCloud. Because while restoring from iClouds, some data will be synced from iTunes if you plug in, e.g. music, video, etc... unless you bought these content from iTunes store. Apps will be downloaded from App Store from the cloud.
Once it's all done restored. Turn off your iPhone,.. and turn it on again.
Now, hopefully your battery wont be draining so fast anymore. Usually it wont after this. But you need to charge your battery at least 4-5 cycles to stabilize the charge on the battery. I dont know why... but battery life seems to get better and better for me after a few charge cycles after all the above work.
Good luck. Let us know if it works for you.
W. Raider tips (Sirii):
Bottom line for me of things that helped battery life are:
1. Turing off Siri and Rebooting the phone by holding the Home button and Top button down, ignoring the slider, until the phone shut down. (turn off Siri, reboot, and check top front of iPhone 4S against a lesser camera like the front-facing camera on an iPad2 - making sure the IR sensor is off)
2. Fully draining the battery, meaning using the phone until it shuts itself off from a drained battery and then recharging it to 100% about 4, maybe 5 times. I charged it both with a Mac and a wall charger.
Hope this is helpful!
Comments
jmm514 remarks (Twitter):
I may have found something. I had Twitter disabled in my notifications, but got a tweet today that popped up on my home screen. Didn't know I had this enabled. At the bottom of the Twitter notification settings is the home scrren toggle. Since disabling this, battery life seems better. Considering there is no setting for frequency of checking for tweets, it appears the phone is continually connecting to wifi to check for new tweets.
tmksnyder comments (notifications, corrupt data in iCloud):
For me, I found my iphone on wifi mysteriously connecting to my mac. I eventually narrowed it down to the Apple Move Trailers app which keeps a file in iCloud. The phone was trying to sync the file with the mac in the background even when the Movie Trailers app was closed (hitting the red x). Based on my macosx logs the iCloud process that was trying to sync was working directly between the phone and the mac without using itunes by connecting to an https address hosted on the phone. It was connecting every 3 minutes and failing (while phone was awake or awake during during a notification). I also found that iCloud control panel on OSX would error if I tried to delete the file. I fixed it by removing the App and doing a hard reset which stopped the sync. I probably could have turned off iCloud document sync in the phone but didn't think of that. My battery life has greatly improved while at home on wifi.    I am now at 28 hrs standby, 2 hrs 20 minutes of usage, and 68% battery. It was ok before where I could get 20-30 hrs standby and 6 -8 hrs usage. My usage today was phone calls, 3g surfing, and music via bluetooth in the car.
I also found even with Itunes iMatch, if I mass updated tages, art work etc, it would hit the phone on wifi even in standby. I was amazed.   Granted if I am not doing updates, Match won't hot the phone so this was a once in awhile event. I could drop my percentage by 5-10% in a matter of minutes when doing updates.   I think a lot of our problems are background processes, associated with iCloud, notification, and apps. More features means more battery.   I think the key thing is to keep track of what has recently been added or changed if battery life gets worse all of a sudden.   It may be an app that was recently installed and if possible you may want to completely remove it and not just quit it.
With twitter, i think it uses push notifications so it doesn't need to be running and actively poll on the phone. For instance , if i quit the mail app, i still will get mail notifications and can swipe the message and load mail. Apple Push Notifications servics maintain the connection to the phone and there are likely pings or connection checks that occur for the service on an os level not an app level. This minimizes the load so there arent a bunch of apps all runing and constantly checking. The notification service , if it is contacted from twitter or another service with data, will check the settings you have registered to the with the apple push service and send the notification to your phone. No matter what, there is a drain with notifications. M hunch is once one application is configured to receive notifications, connection checking occurs betwen the push service and the phone so it knows where it is on the network. If it is implemented correctly, these checks arent frequent if you are still and more frequent as you move. The other drain is for when the noification hits and is processsed. If i get 9 emails over night, my screen just popped up for 20 seconds or so to process each message using battery. I would even think that just go from low power to turning n the screen uses more juice than if the device was already on and i get the message. On nights I get no notifications, I see a 3 or 4 percent drop. On nights with a number of notifications, i have seen up to a 10 percent drop. Besides notifications, wifi sync and icloud will poll on the local network and use up battery if the host computer is on and running itunes or trying to sync a data file that is corrupt (which i had with the apple movie trailers app causing my phone to drain). For me turning off wifi sync and remving a corrupt file in icloud solved my battery issues and I get over 24 hrs of standby with 6 to 9 hrs of use and this is with all the normal location services and push serivices turned on.
See http://developer.apple.com/library/mac/ipad/#documentation/NetworkingInternet/Co nceptual/RemoteNotificationsPG/ApplePushService/ApplePushService.html for more info. I think it has a good overview of how the notifications work.

Well seems like that rumor of iOS 5.0.1 is finally gone the way of the dogs since developers got a beta of 5.1. So as stated earlier in the master discussion-> I suspect if you are filling up this thread with false post or creating a master set of links to various post that are unreliable you are wasting your time. Press is not going to touch the story due to poor or inaccurate sources which may be links from the master thread. This can include inaccurate information, combination of conflicting post or postings from users which may not own the device. Reputable press organizations have policies that require discloser and strict rules about what is a reliable source for a story. It is clear that many of the post in the master thread, which are links presented here are questionable.
Sorry to say that postings taken without any analysis of their totality have been propagated via various sites, for example sites such as http://www.2012federalbudget(dot)com. (Do not visit but I suspect that this is not the 2012 federal-budget site you would expect based on analysis of the records. There are plenty of sites like http://www.2012federalbudget(dot)com propagating questionable post in these threads.) One site for example in the discussion thread used a self signed certificate, the site had a log in to allow users to enter their OpenID. Seems many of these sites are pop and drop drupel configurations.
So remember this is how the really bad rumor of iOS 5.0.2 got started, the 5.1 memory leak issue, iCloud Issues, call quality, address book, etc.
Some of the postings have been very comical, I think the latest now is a dropbox issue. Seems that the length of the previous thread has resulted in various app engines of some proxy servers/tools reaching their limits.
So I would make sure to know the source of any information you link to. Make sure you avoid entering any information to outside links such as OpenID or Apple ID, these are big prize items for anyone with malicious intent. If you have issues and are a valid user contact APPLE CARE. (Note link is using McAfee Secure Short URL Service, and is https.)
http://mcaf.ee/ricdt
The original solution still represents a high level of success for users having any battery issues.
Install 5.0.1 on your iPhone 4s. Some users posting they are still using older versions, bad fake serial numbers, etc.
Make sure your device can run iOS 5.0.1 and is not altered.
Make sure you use a new Sim, not some cut down version which many users admit to doing. (Again, worth confirming what people are posting.)
Reset the device doing a hard reset and software reset.
Let battery drain and then charge for the full cycle, which is 24 hours.
I think you will find you will get the battery usage that APPLE has stated for the device.
Best of luck, stay safe and thanks

Will doing a teathered restore to iOS 5.1.1 help my battery life?

OK I waited over a month to update my iPhone 4s to iOS 5.1.1. I did an OTA update (Which I think was my problem) I got hit with the battery drain bug that apparently comes with an OTA update of the OS.
I Did the following:
1. Full backup to iTunes
2. Did OTA upgrade
3. Restarted my phone
4. Turned off most of the notifications and locations
5. Turned off Siri Raise to Speak
6. Turned off Bluetooth
7. Turned off Wifi
8. Turned off Auto Send Diagnostics and Usage
9. Ran the phone all the down to dead
10. Plugged in and charged for about 11 hours
11. Reset all settings as new
11. Reset Network settings
Battery life is worse than I had with iOS 5.1 Which was pretty good. Before I updated to 5.1.1 I could go the whole day with normal usage for me, 5-10 phone calls, 20-25 texts, little bit of web surfing, check facebook a couple of times, check Twitter a couple of times. Play a few games, about 20 - 30 minutes max total over the day. Listen to a couple of podcasts. You know the normal things one does on a smartphone. At the end of the day I would be at 30 - 40 % left.
Once I updated to 5.1.1 I was going to get to 0% by 4 or 5 pm.
Is it helpful to do a restore as new connected to iTunes and just start over?
And if I do this can I then restore my apps, music etc from my back up or will that pull the battery drain bug back into the phone?

Haven't done anything different but battery life seems to be improving. I have run the battery down a couple of times, just normal use but the fast battery drain caused it go get below 20% by the time I would normally plug it in at night when I go to bed. Used to be 50 - 60 % at this point. And I have noticed over the past couple of days that the battery drain issues I was seeing seem to have stopped.
So hopefully the Reset All Settings routine along with a couple of full rechages reset the battery meter in the firmware and I am actually seeing the true battery charge and usage that the phone is getting.

How to prolong battery life

How often should i calibrate the battery? does calibrating the battery more often help to prolong battery life? I usually leave airport on even if im not using the internet, so does that drain the battery life much faster than if I left it off? I use my laptop sometimes in class with airport on, but im not using the internet. And it went from 100% to about 85% in about 40 minutes. Text edit was the only application I had open. is this normal? Idk i might be wrong, but it just seems to me that my battery drains really fast. bluetooth is always off. at home even when its at 100% i leave the charger plugged in. is that affecting battery life?

How to calibrate:
http://docs.info.apple.com/article.html?artnum=86284
Do that for a couple of month or whenever you think the battery starting to behave erratically.
Some more explanation :
http://www.apple.com/batteries/notebooks.html
And 15% for 40 minutes is about right even if you using it only for text edit, considering the screen is on most of the time.
Yes airport consume power too, if you not need that for a long time (in class for 1 hour), turn it off. But some user posted that the different is only couple minutes only.
And new battery technology won't let you over charge the battery, so it still safe to leave it plugged let say overnight.
Good Luck.

2.1 Upgrade problems with Contacts & Calendar & Battery Life

I upgraded a couple of days ago and wish I hadn't. After the upgrade my Contacts were no longer there, my calendar hadn't synced and the battery life is worse than before. I tried the gently approach initially by resetting my iPhone but after that didn'r improve anything I used iTunes to restore my phone. It did work to some extent and the contacts reappeared briefly but if I tried to use Contacts the phone froze and then kicked mr out to the main screen.
Don't get me wrong, I think the iPhone 3G is great and suits my requirements very well and the previous version of the firmware didn't cause me any issues appart from some of the free apps started to misbehave just before the upgrade. I'll take back that bad behavious if I could get the contacts & calendar th function as they did.
Has anybody else had the same problems and found any solutions?
Fats Waller fan- Ain't Misbehavin' - just tell my iPhone that!

DaveJmcd wrote:
The 2.1 update hasn't been very successful for me either...
The battery life has reduced significantly. Since the 2.1 update, my battery is dead before I get home from work!!! Pretty shocking really....which means it lasts about 8-9hrs. Majority of that is on stand-by.
Plus every app takes an absolute age to load and it takes an age to return the home screen when exiting apps.
If anyone has any suggestions I'm all ears....
Is your 3G on all the time? You might want to check that, cuz 3G does eat a lot of battery. Do you have wi-fi on? Usually wi-fi does drain less then 3G when it's connected to one network but if you are walking around, and the wi-fi doesn't connect, it will search for another network and it can cause to eat up battery while searching. So if you aren't going to use wi-fi, just turn that off. Same with 3G. if you don't use 3G then turn it off, and turn it back on when you use it. Usually 3G is faster data, so faster internet than Edge.
How often do you fetch? Push?
If you have almost everything ON, that could be the reason why your battery dies quickly.
Maybe try testing it with everything off like 3G, wi-fi, push, and see if that helps.
If none of this work, then have you considered rebooting your phone (pushing home and sleep/wake at the same time for more than 6 seconds until the apple logo screen appears)? Have you tried restoring your iphone from itunes?
If this still doesn't work, or your not satisfied, I'd suggest going to the Apple store and have the genius take a look at.

Battery life sudden drop off!

Hi all i have had my iphone4 for about 3 months with no problems at all! in fact it been great. But i charged it up last night as normal and went out for the day and notice that the battery was going flat very fast?
I was not useing the phone at all as i was busy and only check it for emails ect nothing unnormal.
I went out at 10.30 and it was flat by 4pm and i mean dead!I charged it again and its now been off charge for 2hrs and is at 60% already.
I had a 3gs before this (my wife has it now) and it is still as good as new and thats a year old or more.
Has the battery had it? if so why?
PLEASE HELP LOL
Regards
Andy

I have a similar symptom to the original post, and have tried the reboot suggestions, but they didn't work. I have had the phone for a month or so, replacing a 2G, and initially battery life was about the same. The battery will not last even for a day. When I went to bed last night, the phone had 70% charge and it was completely dead by the morning today.
To diagnose a separate issue (data use increased 5x to 10x on both my phone and my wife's 3G iPhone after changing to the 200MB/mo plan), I started shutting down potential data users: no push, no fetch, no notifications, made sure apps were not running in the background, etc. It doesn't seem to make sense, but I would say that battery life got worse.
My question: is there any utility or available to check or log what's going on in the phone?
Thanks!

60 gig battery life

I have been using my ipod video 60 gig about a month. It have let it die a few times and charged it a lot. I am VERY unhappy with the battery life. My iPod Mini lasts about 20 hours. It appears that I am LUCKY to get even HALF that out of my iPod Video.
Nothing is different, nothing is turned on. Back light is set for the same ammount of time. No sound settings turned on. I do NOTHING different with it. It seems the battery can be 75% full. I listen for 2 hours and it dies. I am lucky to even get 10 hours of it. I haven't been listening to it nearly as much as I did with in my mini and I feel like I have to charge it at least twice as often.
What I want to know - is this average? I have it all packaged up and I am ready to take it back. Is it worth it to buy another? Or will I be just as disipointed with that one too?
Overall do the iPod Mini's have better battery life?

Ehhh... A month. Do you use it often? Also, do you watch videos often? That eats up battery life much faster than solely music.
I suggest that you run the battery life test found on the document I provided a link to in my first post. If your battery doesn't last as long as expected, either bring it to a local Apple store, or ship it in: http://depot.info.apple.com/ipod/

Battery life much worse

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