Horrendous battery life

i have had my iPhone 6 for almost a week and a half, and have never gotten more than 6 hours of battery from it. First day I got to actually use it like normal was 4 hours and 15 minutes of usage at 1%. Usually "Home and Lock Screen is the very top, 25-30%. next is is usually safari, messages, settings, clash of clans, Twitter, YouTube, etc. they typically will switch with how much each used, depending on the day, but those are my main apps. My brightness is usually at around 25%, i have 4 emails associated with the Mail app, push is off, and fetch is enabled for an hourly schedule for one. The rest are set to manual. Background app refresh is completely disabled, and I stripped down a lot of location services. Pleasd help!! My iPad mini with Retina Display has even more battery intensive settings, but gets usually 9 hours of usage at half brightness.

Alright, I checked those websites. Apple's suggestions contained steps I have already tried, none of them helped. The first website you gave though seemed be a little more insightful. I did the thing listed on that website where you leave the device in sleep mode for 10 minutes and check the Usage and Standby times afterword. I let the device sit for 10 minutes and Usage went up 6 minutes, I never even used the phone, and never received any notifications to my knowledge. I turned on auto brightness, turned off push, and stopped closing apps in the App Switcher. There wasn't really any substantial difference, I may try some more steps tomorrow, however.

Similar Messages

My 4s has ' horrendous ' battery life since the iOS 7.1 upgrade

I've turned off everything in the background and dimmed the screen and yet, when it sits on my hip at work - while not taking in a call or ANYTHING else - the battery drains to 50%. And heaven forbid I should use it for anything. It actually went to 8% left on the battery, which I haven't seen in the 26 months I've had this phone. I've gone on-line to forums to look for other fixes I haven't thought of.
I have an offer from Verizon to go to the 5C for free, but am ready to throw Apple under the bus and move to the android platform. I have to make a decision by March 31 - so Apple, are you going to solve this?
I can't believe you all didn't test this update in the real world with real users before rolling it out.

Hello reddingmari,
Thank you for using Apple Support Communities.
For more information, take a look at:
http://www.apple.com/batteries/iphone.html
https://discussions.apple.com/thread/4047393
It's probably the battery indicator, not the battery itself. Run it down until it shuts down automatically. Ignore any low battery alerts that appear. Then, charge it overnight with the 10W charger.
Use iTunes to restore your iOS device to factory settings
http://support.apple.com/kb/ht1414
iPhone and iPod touch: Charging the battery
http://support.apple.com/kb/HT1476
Have a nice day,
Mario

Ipod Touch 3rd generation battery life

I couldn't find an answer to support this question, so I'm putting up a new post. I recently got the new ipod touch 3rd generation (32gb) a few weeks ago. I got the customization so it shipped directly from China. I seem to be having a problem with horrendous battery life and I don't know if it is a bad one or not. I have the BT always turned off and wi-fi most of the time, but I find that my battery drains from fully charged very quickly, especially if I access wifi. My ipod can drop 50% battery life in 20-30 minutes just "surfing" for apps or accessing a safari link from, for example, the kindle app or nytimes app. I am aware that some apps use more power than others, but I'm finding this life thing horrendous. I have the screen set pretty dim, only use the email function "on access" (no 'push' enabled), no auto-sync for nytimes, etc. I don't know what to do as this was as customized engraving iPod and I feel like everyone I know has fine battery life. Any help much appreciated. We have an Apple Store here in town but can they check it out for me? It has the 3.1.2 version software. Thanks!

You can check out this thread for possibly useful info.
http://discussions.apple.com/thread.jspa?threadID=2474499&tstart=90

8230 Battery life issue

I bought an 8230 last week and (even though I have bee playing a round with it quite a bit) I find the battery life to be horrendous. I have needed to recharge the phone every night. I have not been using Bluetooth and it's not Wi-Fi enabled so this isn't on either. I have it with me at work however do not have access to playing with it too much. Today for example I did not play with the phone and by mid afternoon (around 3PM) it had 1 yellow bar left, I had charged it overnight and it was unplugged arround 6:30 this morning.
Is it possible that I have a bad battery? Or is this relatively normal?

From what I have been told it is normal. When I purchased my phone the sales representative told me the battery life was relatively short. We have all been told that it is best to let a battery run down before dischargin because if we recharge when the battery is only partially discharged then it "remembers" that charge point and will never be fully charged necessitating more frequent charges. The sales rep said that the Blackberry Batteries do not have a memory so it is not necessary to completely discharge them before recharging and it is ok to charge them each night even if the battery shows 3/4 charge left. As a result, I just place mine on the charger each evening regardless of the amount of charge left. Another user told me that leaving messages on your phone drains the battery but I don't know if that is true.
If you are not using it after a complete recharge and it discharges by mid-afternoon then you could possibly have a defective battery.

Pick up metal objects with zen micro headphones? battery life with firmware 1.02

hey all
just purchased my zen micro couple days ago.
the package we got here in downunder is satifying. included were the wired remote and also the stand/case with belt clip. these were the only reasons that made me choose this over the ipod mini.
this has not occurred to me until tonight, but the headphones seems to act as magnets and were stuck to each other as the phones were dangling
i never noticed this happening with other phones
also the battery life of my zen was horrendous. its lasted 5 hrs with eq and smart volume on. the zen was on hold the whole time as the actions were controlled by the wired remote.
this was with the firmware that was shipped with the player .0.03 i believe
have just updated the firmware now, and will be testing the battery life to see if the problem is rectified.
if not, then an exhange for an ipod is inevitable.

Yep, SV is a battery killer, around a 50% drop in life has been meaured and the effect is known to be pretty negligible.
And as others have said, them headphones have magnets in, like pretty much any speaker

What is it about the latest update that causes my battery life to be so short?

Since the latest update my battery life has gone from great to horrendous. I used to be able to get through an 8-hour day at work with no issues now I'll get low battery issues after just a few hours. I presume if I do a factory reset I'll loose all my apps and the phone will insist I redo the update. What am I supposed to do?

You should back up any music or videos, documents or files to a PC and then factory reset the phone. You can either let the reset re-install the apps and app data, or do a clean install to avoid other issues and uncheck those boxes in Back up and Reset menu in Main Settings of the phone. You can always batch install from the Play Store once you reset or you can go to the Play Store webpage, sign in and restore apps from there as well. Make sure you are fully charged to 100%.

Bluetooth Keyboard Battery Life Indicator Not Working

I have a wireless Apple BT aluminum keyboard and have been having horrendous difficulty with it lately. Last time I changed out the batteries was last month, so I thought I would check and see what the battery life was on the current set. Seems that the keyboard is not correctly reporting battery life, because the Keyboard section in the Control Panel is displaying 100% green. I know that can't be true because I use the keyboard frequently and these batteries are at least a month old.
I have also been having severe disconnect problems as of late - to the point where I need to keep a USB keyboard handy. My keyboard connection drops every 5 minutes, usually for 2-3 minutes (and sometimes requiring a re-pair), then it will come back and repeat every keypress once it is reconnected.
Is this keyboard defective? Is there any way of finding out short of hauling my entire iMac & keyboard the 1 hr. North to the closest Genius Bar?
Thanks.

Try deleting the Bluetooth preference file.
com.apple.Bluetooth.plist /Users/YourName/Library/Preferences. Drag that file from the Preferences folder to the Trash, empty the Trash and reboot.
As for the disconnect issue. Do you have your computer anywhere near a microwave oven? They can cause interference.
Also, try resetting the System Management Controller, instructions here:
http://support.apple.com/kb/HT1806
Since you are an hour from the nearest Apple store, you might be able to get help from an Apple Macintosh User Group. Check here for locations: http://www.apple.com/usergroups/find/
Carolyn

Significantly worse battery life on Mavericks

I posted this oringally in another thread and was recommended to start a new one.
I have a mid 2012 mbp and upgraded to mavericks the day it was released from ML.
Since then my battery life has been absolutely horrendous. Get around ~2 hours or so on one charge... Pretty dissapointed. I am super busy so I do not have time or energy to format and reinstall mountain lion until christmas time.
Any advice would be great. I went into terminal and disabled indexing following this guide as recommended in another post:
http://www.thexlab.com/faqs/stopspotlightindex.html
Still nothing. Activity monitor does not show anything significant running in the background either.
I am pretty upset/****** off as the only benefical thing to me in the OS (of all the new features) was apples claims of increased battery life lol.... that didnt really work out.
Anyways here are my specs:
Model Name:
MacBook Pro
Model Identifier:
MacBookPro9,1
Processor Name:
Intel Core i7
Processor Speed:
2.6 GHz
Number of Processors:
1
Total Number of Cores:
4
L2 Cache (per Core):
256 KB
L3 Cache:
6 MB
Memory:
8 GB
Let me know if anyone needs any additional specs or anything. I have a 1TB hdd installed as well.

The other thread has degenerated into a predictable and unproductive rant-fest that won't help anyone.
Check your Activity Monitor to determine the relative "Energy Impact" of various apps as in the following:
One or more may be obvious, or not.
Some users have reported an SMC reset to be beneficial. Read SMC reset.
Be sure to read the procedure carefully and follow all the steps exactly as written, even if they seem unimportant or trivial.
If your Mac's battery is still draining abnormally fast continue with the following. None of what follows is intended to fix anything, but it will provide the additional information required to advance troubleshooting.
Back up your documents and everything else important to you, not that there is any reason to believe your hard disk may be failing, but the symptoms you describe may presage an impending disk failure, and you should have backups anyway.
Boot OS X Recovery by holding ⌘ and r (two fingers) while you start your Mac. At the Mac OS X Utilities screen, select Disk Utility. Select your startup volume (usually named "Macintosh HD") and click the Repair Disk button. Describe any errors it reports in red.
When it finishes restart your Mac and test again for operation. If it's still not behaving as you expect it should, please post the results of EtreCheck in accordance with the following instructions:
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
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.

13' MBP: horrible battery life with Lion

I upgraded to Lion a month or so ago. I really like the functionality of it and it's features, but my battery life has gotten horrendous! I've done everything I can find to try to fix it. I've reset the SMC, reset the PRAM and NVRAM and even installed the gfxCardStatus app (which said my card wasn't compatible with it) and nothing has worked. If it helps, I have the baseline 2010 MBP with 2.4 GHz Intel Core 2 Duo processor, 4GB 1067 MHz DDR3 RAM, and NVIDIA GeForce 320M 256MB graphics card.
At 50% it just told me I have an hour left when I used to have 3 or more! Is there anything I can do to fix this?

In addition to the suggestions in
http://docs.info.apple.com/article.html?path=Mac/10.7/en/mh21207.html
be sure that your System Preferences > Time Machine is set to "OFF."
When ON but not connected to an external disk andexternal power adapter,
Lion's TM writes backups to your startup disk. This, and any other avoidable hard disk use, will reduce available battery time.
(BTW, per http://support.apple.com/kb/HT1490,
portables with built-in batteries do NOT require calibration)
Also, apply any available energy saving tips from http://support.apple.com/kb/HT1446
More about batteries in this search of Apple help: http://tinyurl.com/68nangh

Possible Internet Tethering/Battery Life Issue

When either Cellular Data is turned Off, or Airplane Mode is turned On, Internet Tethering (Settings>General>Network) appears to have some process that runs continually in the background (evident by continuously spinning wheel next to the option). The running process has a demonstratively negative impact on battery life (1/3 reduction in ~ 30 mins). The Apple Genius at my local Apple Store and I verified the issue on numerous iPhone 4s that were on display. Turning Cellular Data On and ensuring the phone is not in Airplane Mode stops the activity. But obviously that defeats the purpose of having those options.
So if you are experiencing poor battery life, this might be your issue.
Message was edited by: Pahsina

Could this be causing the unexplained usage and data transfer? I have been trying to find what is causing this. http://discussions.apple.com/thread.jspa?threadID=2603718&tstart=0

I recently just updated my iPhone 4s to 5.0.1 and I am losing battery life at a faster rate. How do I help my battery life or can I go back to the old system?

This is my first iPhone I am having problems with my battery life. I recently updated to the new operating system for the iPhone 4S. I am losing battery life at a quick rate is there anything that I can do.

You can search the forum and read the many helpful posts with suggestions on how to improve your battery life.

My new ipod touch's Battery life is extremely short

I bought 10 days ago the latest iPod touch and it is getting very poor battery life.
Even without using multitasking and with having notifications turned off, it is running from full to empty in less than two hours.
What is it that I have to do between all the things people recomend?
- Reset Network Settings
- set it up as a new device with no apps
- Powering off every night
- Shutting down Wi-fi all the time
- turning off push mail, notifications, etc
- Turning off "Location Services"
I've tried doing the lasts 4 things and nothing improved..
Or is it just because it's new and in the future it'll work longer?
Thanks you all for your useful answers!

You might check out this thread for possible help.
http://discussions.apple.com/thread.jspa?threadID=2474499&tstart=90

How can you get OS Lion back if you already downloaded Mavericks? I CANNOT live with the battery life of 2 hours!! HELP

How can you get OS Lion back if you already downloaded Mavericks? I CANNOT live with the battery life of 2 hours!! HELP

Kappy wrote:
Don't downgrade OS X without first erasing the drive. You cannot restore a Time Machine backup of Lion directly on top of a later version of OS X such as Mountain Lion or Mavericks.
When you "Restore from a Time Machine Backup.", the drive will be erased for you, but yes, won't hurt to:
Boot into Recovery (hold ⌘R on boot)
Utility->Disk Utility->Erase Macintosh HD, then Repair Macintosh HD
Quit Disk Utility
Then Select: Restore from a Time Machine Backup.

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

How do I maximise battery life on iphone 5s

I have just got an iphone 5s and the battery life is terrible. With my 4s I used to double click the home button then I could close down each app fully as they showed up in a row and I could press an x. I cant seem to do this with the 5s. Please help, its lasted 9 hrs since charging and I ve been asleep for most of them!!! I tried Apple support chat but after over 30 mins I didnt get a reply.

To shut down apps double-click the home button then swipe the app screen shot upwards. However, very few apps actually run in the background.
The list of apps you see when double-clicking the home button is only a list of recently used apps, it is NOT a list of all running apps.
Battery life will improve over the next days and weeks as the battery is used.

Horrendous battery life

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