Enormous battery drain after 3.01 upgrade

guys and gals,
anyone of you experiencing a huge spike in battery drain after upgrading to firmware 3.01? On 3.0 my iphone 3gs had no probs but after my upgrade last night he ran out of juice within a few hours while I was sleeping. This morning I recharged it but an hour later the phone is allready down to 80% and feeling warm. I guess there is something running in the background but I cant figure out what. Turning the phone on/off doesnt seem to do a thing. Any ideas or personal experiences?

I did what you said in your 2nd post, and recharged the battery. after 6 hours, it was the charge was still at 100%!
then I used an app, IM+ Push for a few minutes and had disabled the Push functionality before quitting it. after an hour, I noticed that the battery issue was back. so deleted the said app, and the battery levels returned to normal.
This evening I re-installed the app, disabled the push functionality again and made sure to set my IM account to off before quitting. the problem hasn't re-occurred since then.
hope that this helps someone else who's having the same issue.

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Battery drains after upgraded to ios5

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With iOS 5.0 battery life was terriable. Apple quickly fixed it with 5.01. Now with 5.1 battery life is back to terrible. I could go at least two days without a charge. After the update (and all my patterns and behaviors being the same), I don't even get a full day! Apple needs to fix this! Or allow us to go back to iOS 5.01.

Battery drain after yosemite upgrade

Can somebody solve my issue of battery drain after installing yosemite on my mac book air? battery used to last twice longer on the older OS

have done a entre check as below
Problem description:
Battery drain after Yosemite upgrade on mac book air 11”
EtreCheck version: 2.0.11 (98)
Report generated 24 November 2014 5:36:32 pm IST
Hardware Information: ℹ️
MacBook Air (11-inch, Mid 2013) (Verified)
MacBook Air - model: MacBookAir6,1
1 1.3 GHz Intel Core i5 CPU: 2-core
4 GB RAM Not upgradeable
BANK 0/DIMM0
2 GB DDR3 1600 MHz ok
BANK 1/DIMM0
2 GB DDR3 1600 MHz ok
Bluetooth: Good - Handoff/Airdrop2 supported
Wireless: en0: 802.11 a/b/g/n/ac
Video Information: ℹ️
Intel HD Graphics 5000 -
Color LCD 1366 x 768
System Software: ℹ️
OS X 10.10.1 (14B25) - Uptime: 0:56:56
Disk Information: ℹ️
APPLE SSD TS0128F disk0 : (121.33 GB)
S.M.A.R.T. Status: Verified
EFI (disk0s1) <not mounted> : 210 MB
Macintosh HD (disk0s2) / [Startup]: 120.47 GB (78.59 GB free)
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
USB Information: ℹ️
Apple Inc. BRCM20702 Hub
Apple Inc. Bluetooth USB Host Controller
Thunderbolt Information: ℹ️
Apple Inc. thunderbolt_bus
Gatekeeper: ℹ️
Mac App Store and identified developers
Startup Items: ℹ️
HWNetMgr: Path: /Library/StartupItems/HWNetMgr
HWPortDetect: Path: /Library/StartupItems/HWPortDetect
MobileBrServ: Path: /Library/StartupItems/MobileBrServ
StartOuc: Path: /Library/StartupItems/StartOuc
Startup items are obsolete and will not work in future versions of OS X
Launch Daemons: ℹ️
[loaded] com.adobe.fpsaud.plist Support
User Login Items: ℹ️
None
Internet Plug-ins: ℹ️
FlashPlayer-10.6: Version: 15.0.0.223 - SDK 10.6 Support
Flash Player: Version: 15.0.0.223 - SDK 10.6 Support
QuickTime Plugin: Version: 7.7.3
Default Browser: Version: 600 - SDK 10.10
3rd Party Preference Panes: ℹ️
Flash Player Support
Time Machine: ℹ️
Time Machine not configured!
Top Processes by CPU: ℹ️
      4% WindowServer
      1% fontd
      0% sysmond
      0% AppleSpell
      0% notifyd
Top Processes by Memory: ℹ️
168 MB com.apple.WebKit.WebContent
168 MB Mail
137 MB softwareupdated
73 MB Safari
64 MB mds_stores
Virtual Memory Information: ℹ️
440 MB Free RAM
1.78 GB Active RAM
1.47 GB Inactive RAM
608 MB Wired RAM
1.07 GB Page-ins
213 KB Page-outs

Battery drain after update to 10.2

i noticed high battery drain after i have updated to 10.2. i charged phone to 100% yesterday at 16:00 and now 17h later it is 61%. - i wrote 4 sms'es, 1 short phone call, and that's all. i tried restart few times, checked out if network settings are same as before, nothing helps.
battery application is estimating discharging speed at level of 1% every 24 min. before at the same usage it was at least 50 mins. i heard 10.2 has better battery efficiency, but not for me. anyone has similar experiences after update?

Double check that your Network settings are how you want them as after an upgrade they have a habit of changing.
On my Verizon phone it redefaulted to Global which really burned my battery instead of limiting it to LTE/CDMA, once I changed it back battery life was back (or better) than previously.

Heavy Battery Drain after updating to 8.1 Lumia Cy...

After updating my Lumia 1520 to 8.1 Cyan update, the battery drain is very high. The battery is lasting only for 6 to 7 hours when the data traffic is on (under mixed use of 2G and 3G modes). I have noticed few other users were also experiencing heavy battery drain after the Cyan update.
Will there be an update to fix this battery drain issue?
When the phone was in WP 8 Lumia Black update, battery backup was around 24-30 hrs (when data traffic was on).
What will be the workaround for this?
Moderator's note: We have provided a subject-related title to help other forum users easily view and respond to this post.
Solved!
Go to Solution.

Yep, my 1520 battery drains like a helicopter that's lost it's rotor after this 8.1 update.
I was just boasting last weekend how awesome the battery life was on this phone, I drove 300mi with the GPS w/navigation, did some tethering to my laptop for work, went overnight..no charging, used lightly all the next day, few pictures, email, browsing, phone calls, and drove 300mi back on GPS/navigation and I still had 38% battery left.
I updated to 8.1 sunday night, and on my normal commute to a customer in another state, which under 8.0 would have drained oh...mabey 4-5%, I was at 62% by the time I got to this customer yesteday.
All I did was make a phone call, that's it. All background stuff is not allowed. location off, cortana off, ...still drains.
Bad bad bad news. I'm not seeing much usefull ness out of 8.1, and considering the battery life and no real new features....just gimmicks if you ask me, I'm not sure I want to stay at 8.1 . I'm trying to give it a chance...battery life is still better than my POS samsung androids I've had in the past, but knowing how good it really can be...and no real features in 8.1 (I was hopeing they'd fix the imap email not allowed to map sent/trash/inbox issue)....eshh...what a mess it seems.

Massive Battery Drain After Mavericks Upgrade on 11" 2013 MacBook Air?

I got my Air about month before Mavericks came out and the battery life was amazing on it. I was easily getting 14-10 hours of life using Chrome and Air Mail App, along with Power Point and MS Word. After the upgrade to Mavericks, it was slow but I started to notice that my battery life during classes was draining so much faster than before and I had not added anything 3rd party software, just the upgrade. I am now down to about 3.5 - 4.5 hours of battery life doing about the same things as before the upgrade. I did a couple of apps and I added (Sims 3 game). However, I have yet to touch it because of the diminished battery life.
I have included a copy of my Etrecheck, can somone take a look and let me know if you think I need to clean something off?
I did do the SMC reset and that seemed to to give a little juice (like putting new tire on your car but still not where it was before the Mavericks upgrade) as I am up to about 6 hours of battery life after the SMC reset.
Please let me know what other information you might need from me that would help and thank you so much!!
Hardware Information:
          MacBook Air (11-inch, Mid 2013)
          MacBook Air - model: MacBookAir6,1
          1 1.3 GHz Intel Core i5 CPU: 2 cores
          4 GB RAM
Video Information:
          Intel HD Graphics 5000 - VRAM: 1024 MB
Audio Plug-ins:
          BluetoothAudioPlugIn: Version: 1.0 - SDK 10.9
          AirPlay: Version: 1.9 - SDK 10.9
          AppleAVBAudio: Version: 2.0.0 - SDK 10.9
          iSightAudio: Version: 7.7.3 - SDK 10.9
System Software:
          OS X 10.9 (13A603) - Uptime: 0 days 1:35:47
Disk Information:
          APPLE SSD SD0256F disk0 : (251 GB)
                    EFI (disk0s1) <not mounted>: 209.7 MB
                    Macintosh HD (disk0s2) /: 250.14 GB (202.41 GB free)
                    Recovery HD (disk0s3) <not mounted>: 650 MB
USB Information:
          Apple Inc. BRCM20702 Hub
                    Apple Inc. Bluetooth USB Host Controller
FireWire Information:
Thunderbolt Information:
          Apple Inc. thunderbolt_bus
Kernel Extensions:
Problem System Launch Daemons:
Problem System Launch Agents:
Launch Daemons:
          [loaded] com.adobe.fpsaud.plist
          [loaded] com.ea.origin.ESHelper.plist
          [loaded] com.google.keystone.daemon.plist
          [loaded] com.microsoft.office.licensing.helper.plist
Launch Agents:
          [loaded] com.google.keystone.agent.plist
User Launch Agents:
          [loaded] com.adobe.ARM.[...].plist
User Login Items:
          iTunesHelper
3rd Party Preference Panes:
          Flash Player
          Flip4Mac WMV
Internet Plug-ins::
          o1dbrowserplugin: Version: 4.9.1.16010
          Default Browser: Version: 537 - SDK 10.9
          Flip4Mac WMV Plugin: Version: 2.4.4.2
          AdobePDFViewerNPAPI: Version: 11.0.04 - SDK 10.6
          FlashPlayer-10.6: Version: 11.8.800.168 - SDK 10.6
          Silverlight: Version: 5.1.10411.0 - SDK 10.6
          Flash Player: Version: 11.8.800.168 - SDK 10.6 Outdated! Update
          QuickTime Plugin: Version: 7.7.3
          googletalkbrowserplugin: Version: 4.9.1.16010
          npgtpo3dautoplugin: Version: 0.1.44.29 - SDK 10.5
          AdobePDFViewer: Version: 11.0.04 - SDK 10.6
          SharePointBrowserPlugin: Version: 14.3.8 - SDK 10.6
Bad Fonts:
          None
Old applications:
          Microsoft Alerts Daemon:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Office/Microsoft Alerts Daemon.app
          Microsoft AutoUpdate:          Version: 2.3.6 - SDK 10.4
                    /Library/Application Support/Microsoft/MAU2.0/Microsoft AutoUpdate.app
          Microsoft Chart Converter:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Office/Microsoft Chart Converter.app
          Microsoft Clip Gallery:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Office/Microsoft Clip Gallery.app
          Microsoft Database Daemon:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Office/Microsoft Database Daemon.app
          Microsoft Database Utility:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Office/Microsoft Database Utility.app
          Microsoft Document Connection:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Microsoft Document Connection.app
          Microsoft Error Reporting:          Version: 2.2.9 - SDK 10.4
                    /Library/Application Support/Microsoft/MERP2.0/Microsoft Error Reporting.app
          Microsoft Excel:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Microsoft Excel.app
          Microsoft Graph:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Office/Microsoft Graph.app
          Microsoft Language Register:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Additional Tools/Microsoft Language Register/Microsoft Language Register.app
          Microsoft Office Reminders:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Office/Microsoft Office Reminders.app
          Microsoft Outlook:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Microsoft Outlook.app
          Microsoft PowerPoint:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Microsoft PowerPoint.app
          Microsoft Ship Asserts:          Version: 1.1.4 - SDK 10.4
                    /Library/Application Support/Microsoft/MERP2.0/Microsoft Ship Asserts.app
          Microsoft Upload Center:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Office/Microsoft Upload Center.app
          Microsoft Word:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Microsoft Word.app
          My Day:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Office/My Day.app
          Open XML for Excel:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Office/Open XML for Excel.app
          SLLauncher:          Version: 1.0 - SDK 10.5
                    /Library/Application Support/Microsoft/Silverlight/OutOfBrowser/SLLauncher.app
          Solver:          Version: 1.0 - SDK 10.5
                    /Applications/Microsoft Office 2011/Office/Add-Ins/Solver.app
          SyncServicesAgent:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Office/SyncServicesAgent.app
Time Machine:
          Time Machine not configured!
Top Processes by CPU:
               2%          WindowServer
               2%          EtreCheck
               0%          mds
               0%          mds_stores
               0%          ocspd
Top Processes by Memory:
          147 MB          Google Chrome
          131 MB          com.apple.IconServicesAgent
          70 MB          Google Chrome Helper
          45 MB          mds_stores
          41 MB          WindowServer
Virtual Memory Statistics:
          1.86 GB          Free RAM
          1.39 GB          Active RAM
          261 MB          Inactive RAM
          502 MB          Wired RAM
          403 MB          Page-ins
          0 B          Page-outs
And here is my Battery (Power) info after the SMC reset and a few hours after it:
Battery Information:
Model Information:
Serial Number:          C01320305FKF90G4S
Manufacturer:          DP
Device Name:          bq20z451
Pack Lot Code:          0
PCB Lot Code:          0
Firmware Version:          511
Hardware Revision:          000a
Cell Revision:          1198
Charge Information:
Charge Remaining (mAh):          2332
Fully Charged:          No
Charging:          No
Full Charge Capacity (mAh):          5008
Health Information:
Cycle Count:          38
Condition:          Normal
Battery Installed:          Yes
Amperage (mA):          -558
Voltage (mV):          7628
System Power Settings:
AC Power:
System Sleep Timer (Minutes):          1
Disk Sleep Timer (Minutes):          10
Display Sleep Timer (Minutes):          15
Wake on AC Change:          No
Wake on Clamshell Open:          Yes
Wake on LAN:          Yes
AutoPowerOff Delay:          14400
AutoPowerOff Enabled:          1
DarkWakeBackgroundTasks:          1
Display Sleep Uses Dim:          Yes
PrioritizeNetworkReachabilityOverSleep:          0
Standby Delay:          10800
Standby Enabled:          1
Battery Power:
System Sleep Timer (Minutes):          1
Disk Sleep Timer (Minutes):          10
Display Sleep Timer (Minutes):          15
Wake on AC Change:          No
Wake on Clamshell Open:          Yes
AutoPowerOff Delay:          14400
AutoPowerOff Enabled:          1
Current Power Source:          Yes
DarkWakeBackgroundTasks:          0
Display Sleep Uses Dim:          Yes
Reduce Brightness:          Yes
Standby Delay:          10800
Standby Enabled:          1
Hardware Configuration:
UPS Installed:          No
AC Charger Information:
Connected:          No
Charging:          No

Hi Lex,
Not sure why but I had a hard time finding all of the related files to get rid of Origin. But I think I finally got them. I just uninstalled Flash and Chrome. I don't like Safari but all well. I suppose I can deal with it it until Apple fixes this battery issue and then maybe I can go back to Chrome. Safari isn't too happy with certain websites, under the Preferences/Security there is an error message that reads "Google Safe Browsing Service Is Not Available. Has not been updated in 8 days."
Haven't noticed a change in battery since doing all of this so let me know if it will take a couple of days to reset. Or if you see anything else that I can do to help. Thank!
Hardware Information:
          MacBook Air (11-inch, Mid 2013)
          MacBook Air - model: MacBookAir6,1
          1 1.3 GHz Intel Core i5 CPU: 2 cores
          4 GB RAM
Video Information:
          Intel HD Graphics 5000 - VRAM: 1024 MB
Audio Plug-ins:
          BluetoothAudioPlugIn: Version: 1.0 - SDK 10.9
          AirPlay: Version: 1.9 - SDK 10.9
          AppleAVBAudio: Version: 2.0.0 - SDK 10.9
          iSightAudio: Version: 7.7.3 - SDK 10.9
System Software:
          OS X 10.9 (13A603) - Uptime: 0 days 1:16:31
Disk Information:
          APPLE SSD SD0256F disk0 : (251 GB)
                    EFI (disk0s1) <not mounted>: 209.7 MB
                    Macintosh HD (disk0s2) /: 250.14 GB (211.47 GB free)
                    Recovery HD (disk0s3) <not mounted>: 650 MB
USB Information:
          Apple Inc. BRCM20702 Hub
                    Apple Inc. Bluetooth USB Host Controller
FireWire Information:
Thunderbolt Information:
          Apple Inc. thunderbolt_bus
Kernel Extensions:
Problem System Launch Daemons:
Problem System Launch Agents:
Launch Daemons:
          [loaded] com.adobe.fpsaud.plist
          [loaded] com.google.keystone.daemon.plist
          [loaded] com.microsoft.office.licensing.helper.plist
Launch Agents:
          [loaded] com.google.keystone.agent.plist
User Launch Agents:
User Login Items:
          iTunesHelper
3rd Party Preference Panes:
          Flip4Mac WMV
Internet Plug-ins::
          SharePointBrowserPlugin: Version: 14.3.8 - SDK 10.6
          Flip4Mac WMV Plugin: Version: 2.4.4.2
          QuickTime Plugin: Version: 7.7.3
          Silverlight: Version: 5.1.10411.0 - SDK 10.6
          npgtpo3dautoplugin: Version: 0.1.44.29 - SDK 10.5
          Default Browser: Version: 537 - SDK 10.9
Bad Fonts:
          None
Old applications:
          Microsoft Alerts Daemon:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Office/Microsoft Alerts Daemon.app
          Microsoft AutoUpdate:          Version: 2.3.6 - SDK 10.4
                    /Library/Application Support/Microsoft/MAU2.0/Microsoft AutoUpdate.app
          Microsoft Chart Converter:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Office/Microsoft Chart Converter.app
          Microsoft Clip Gallery:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Office/Microsoft Clip Gallery.app
          Microsoft Database Daemon:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Office/Microsoft Database Daemon.app
          Microsoft Database Utility:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Office/Microsoft Database Utility.app
          Microsoft Document Connection:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Microsoft Document Connection.app
          Microsoft Error Reporting:          Version: 2.2.9 - SDK 10.4
                    /Library/Application Support/Microsoft/MERP2.0/Microsoft Error Reporting.app
          Microsoft Excel:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Microsoft Excel.app
          Microsoft Graph:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Office/Microsoft Graph.app
          Microsoft Language Register:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Additional Tools/Microsoft Language Register/Microsoft Language Register.app
          Microsoft Office Reminders:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Office/Microsoft Office Reminders.app
          Microsoft Outlook:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Microsoft Outlook.app
          Microsoft PowerPoint:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Microsoft PowerPoint.app
          Microsoft Ship Asserts:          Version: 1.1.4 - SDK 10.4
                    /Library/Application Support/Microsoft/MERP2.0/Microsoft Ship Asserts.app
          Microsoft Upload Center:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Office/Microsoft Upload Center.app
          Microsoft Word:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Microsoft Word.app
          My Day:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Office/My Day.app
          Open XML for Excel:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Office/Open XML for Excel.app
          SLLauncher:          Version: 1.0 - SDK 10.5
                    /Library/Application Support/Microsoft/Silverlight/OutOfBrowser/SLLauncher.app
          Solver:          Version: 1.0 - SDK 10.5
                    /Applications/Microsoft Office 2011/Office/Add-Ins/Solver.app
          SyncServicesAgent:          Version: 14.3.8 - SDK 10.5
                    /Applications/Microsoft Office 2011/Office/SyncServicesAgent.app
Time Machine:
          Time Machine not configured!
Top Processes by CPU:
               2%          WindowServer
               1%          EtreCheck
               0%          ocspd
               0%          mds
               0%          mds_stores
Top Processes by Memory:
          225 MB          com.apple.IconServicesAgent
          102 MB          Finder
          62 MB          Safari
          41 MB          mds_stores
          41 MB          WindowServer
Virtual Memory Statistics:
          2.01 GB          Free RAM
          1.19 GB          Active RAM
          302 MB          Inactive RAM
          507 MB          Wired RAM
          228 MB          Page-ins
          0 B          Page-outs
Battery Information:
Charge Information:
Charge Remaining (mAh):          2844
Fully Charged:          No
Charging:          No
Full Charge Capacity (mAh):          5006
Health Information:
Cycle Count:          39
Condition:          Normal
Battery Installed:          Yes
Amperage (mA):          -538
Voltage (mV):          7718
System Power Settings:
AC Power:
System Sleep Timer (Minutes):          1
Disk Sleep Timer (Minutes):          10
Display Sleep Timer (Minutes):          15
Wake on AC Change:          No
Wake on Clamshell Open:          Yes
Wake on LAN:          Yes
AutoPowerOff Delay:          14400
AutoPowerOff Enabled:          1
DarkWakeBackgroundTasks:          1
Display Sleep Uses Dim:          Yes
PrioritizeNetworkReachabilityOverSleep:          0
Standby Delay:          10800
Standby Enabled:          1
Battery Power:
System Sleep Timer (Minutes):          1
Disk Sleep Timer (Minutes):          10
Display Sleep Timer (Minutes):          15
Wake on AC Change:          No
Wake on Clamshell Open:          Yes
AutoPowerOff Delay:          14400
AutoPowerOff Enabled:          1
Current Power Source:          Yes
DarkWakeBackgroundTasks:          0
Display Sleep Uses Dim:          Yes
Reduce Brightness:          Yes
Standby Delay:          10800
Standby Enabled:          1
Hardware Configuration:
UPS Installed:          No
AC Charger Information:
Connected:          No
Charging:          No

Severe battery drain after AT&T sim card replacement.

Up to a point, my wife's original iPhone worked fine. A week ago, it stopped connecting to the AT&T network, and after a call, we found out that someone at a retail store made an error when registering an upgrade to a 3g, and somehow started the process on my wife's account, which killed the sim card. I ran to the local AT&T store and they replaced the sim card for free, and all seemed well.
However, since then, her phone has been suffering from a severe battery drain. I have made sure that wi-fi, bluetooth, and location services are turned off, but it will not last 10 hours in standby mode after a full charge anymore (she makes no calls during the day - just leaves it in her purse on standby). I have tried a full restore of the software/firmware, and she is running the latest 2.02. Is there anyone who can help?

Sorry, no, that's not the issue. First, it's a 1st gen iPhone. Second, as I said in the question, I've already turned off every other unnecessary service on the phone. Basically, it's sitting in her purse on standby during the day, just as a phone, and draining from a full charge to nothing in about 9 hours. The problem only started after getting a new AT&T sim card. I'm wondering if anyone else has heard of this problem.

Nokia Lumia 1520 Overheating & Battery Drain after...

Hello,
I've been experiencing an intermintent problem with my Nokia Lumia 1520 (AT&T, 16GB model) where my phone overheats and the battery drains. The problem started after I upgraded to Windows Phone 8.1 and Lumia Cyan. As of now I haven't figured out a good step by step method to reproduce the problem on demand however I have noted that when this problem occurs and I wake the phone and unlock it the Start screen shows a never ending or unusually long "Loading" message and my phone will overheat and drain the battery. So far the only way to mitigate the problem is by shutting it down manually or performing a "soft" reboot of the phone. Afterwards the problem gets resolved and the phone resumes normal operations after rebooting with the phone returning to a normal temperature and battery drain rate that is consistent with the use it is being given.
Given that I don't know anyone else carrying a Lumia 1520 has anyone seen something similar to the problem I am describing on this post with their Lumia 1520 unit after updating to Windows Phone 8.1?
So far the only big resolution step I've taken is to perform a complete phone reset and not recovering the phone from my back ups, effectively making it a "new" phone in terms of settings and software conditions.
My theory for this problem is that it is software driven as an overheated phone and a stuck "Loading" message instead of the Start screen after unlocking the phone indicates that a software process (either OS or separate Application) may be behind the issue.
Thanks for any assistance on this matter!
Michael
Nokia Lumia 1520 | Windows Phone 8.1 "Lumia Cyan"

Morpheusprime wrote:
Did not work unfortunately... But I have resolved my overheating and battery drain issue...
CORTANA is the culprit and needs to be unpinned from the start screen.
Here is the process if CORTANA is piined already..
1) Unpin CORTANA
2) Go to "Settings.. Applications and open Cortana
3) Turn off Cortana
4) Phone will RESET
5) Go to "Settings.. Applications and open Cortana
6) Turn on CORTANA
DO NOT PIN TO START SCREEN
7) Swipe your start screen over to your applications
8) select CORTANA and allow it to set it self up again.
Now CORTANA is still accessible by the Search icon or from your application menu.
Now your battery.. Before the update my battery was reading "1 day, 14+ hours"
After update After recharge I was getting 14 hours then it would start draining.
After taking CORTANA off the start screen my phone stop getting hot near the camera (Upper left) and after 2 days (Battery cycling) my battery has returned back to reading "1 day, 14+ hours"
My assumption - The matter will be resolved with the Lumia Denim update coming later this qtr.
When that arrives my understanding is CORTANA is off BETA in US. Some additional Firmware tweaking, along with the camera updates and more.. Which "SHOULD" resolve this battery drain & over heating with CORTANA
Per my experience, I believe you're right that Cortana is the culprit for the problem described by the original poster. I unpinned Cortana from my start screen 6 days ago, and so far so good. I have not had a recurrence of that problem. I did not turn Cortana off and then back on again though. I just unpinned it, and that seems to have done the trick.
I'm also hopeful the Windows Phone 8.1.1 and Lumia Denim update will fix this since Cortana will be off Beta in the U.S.

Rapid battery drain after Mavericks Install

Hey everyone,
I've spent a lot of time reviewing the existing threads and haven't been able to pinpoint a solution to my issue. I upgraded my late 2008 MacBook Aluminum 2.4 GHZ to Mavericks, and noticed considerable battery drain. I made an appointment at the Apple Store to do a clean install of Mavericks, and this seemed to help but as I installed software required to access internet at school (SafeConnect, AnyConnect VPN, Avast) my battery life has gone down again. Also, the battery drains when the computer is supposed to be in sleep mode. I have a new battery on board (127 cycles, my cycle count has increased a lot due to this battery drain issue). Does anyone have an idea of what could be the offending software and provide me potential alternatives?
Some numbers for reference: With Snow Leopard I have 3.5 hrs of battery life, and after my initial clean install I had 3.5 hrs of battery life (so no improvement, but no worse performance either..). Now I am lucky to make 2 hrs with a full charge.
Loaded kernel extensions:
com.avast.PacketForwarder (1.4)
com.cisco.kext.acsock (1.1.0)
com.avast.AvastFileShield (2.1.0)
Loaded user agents:
com.avast.helper
com.hp.devicemonitor
scClient
com.oracle.java.Java-Updater
com.cisco.anyconnect.gui
com.avast.userinit
com.spotify.webhelper
com.avast.home.userinit
Inserted libraries:
User cron tasks:
System launchd configuration:
User launchd configuration:
Login items:
Flux
iTunesHelper
Safari extensions:
wrc
AdBlock
Restricted user files: 12
Extrinsic loadable bundles:
/Library/Internet Plug-Ins/Flash Player.plugin
/Library/Internet Plug-Ins/JavaAppletPlugin.plugin
/Library/Internet Plug-Ins/SharePointBrowserPlugin.plugin
/Library/Internet Plug-Ins/SharePointWebKitPlugin.webplugin
/Library/Internet Plug-Ins/Silverlight.plugin
/Library/PreferencePanes/Avast.prefPane/Avast.prefPane
/Library/PreferencePanes/Avast.prefPane
/Library/PreferencePanes/Flash Player.prefPane
/Library/PreferencePanes/JavaControlPanel.prefPane
/Library/Spotlight/Microsoft Office.mdimporter
Unsigned shared libraries:
/Library/LaunchAgents:
Safe.Connect.client.plist
com.avast.userinit.plist
com.cisco.anyconnect.gui.plist
com.oracle.java.Java-Updater.plist
/Library/LaunchDaemons:
Safe.Connect.plist
com.adobe.fpsaud.plist
com.avast.init.plist
com.avast.uninstall.plist
com.cisco.anyconnect.vpnagentd.plist
com.microsoft.office.licensing.helper.plist
com.oracle.java.Helper-Tool.plist
net.cloudpath.HelperTool.plist
/Library/PrivilegedHelperTools:
com.microsoft.office.licensing.helper
net.cloudpath.HelperTool
/Library/StartupItems:
Library/Fonts:
Library/LaunchAgents:
com.avast.home.userinit.plist
com.spotify.webhelper.plist

Avast is garbage. Uninstall it according to its instructions. Avast's uninstaller will remove it completely.
If your school requires you to use Avast you will just have to tolerate its detrimental effects on your Mac's performance and battery life.

Battery drain after installing IOS7 on Iphone 4

Hi
I have recently installed IOS7 on my IPhone 4.
The battery drains really quickly even when I am not doing anything with the phone. I never had these problem before updating.
Suggestions please???
Thanks

I have also noticed what appears to be decreased battery life after the upgrade, though not this bad. Seems many people are noticing problems.
I noticed and changed a couple of settings that seem to have helped.
- first, fully shut off the phone and then turn it back on - i read online this helped some, immediately after the update.
- in mail settings, for the icloud account (I dont use this but it was configured by default) check the sync settings . it defaults to push, which takes more power. you might want to disable push and set to fetch for this and any other accounts you have, for additional power savings
- in settings, location services, scroll to the bottom and tap system services : All of them are defaulted to on. I turned off location-based iads and setting time zone since i dont need those. (I also opted out of the diagnostics and usage as part of the setup, but it was set to on in this screen - i left it on for the time)
- also in settings -- location settings: check the list of apps and verify that only the ones you want, are enabled
These few settings seem to have improved things

Heavy battery drain after OS Update 10.3.1.1779

couple of days ago my phone (Z10) upgraded to new software version 10.3.1.1779. Now the battery barely lasts four to five hours. Usually not more than four. Is this a f****ng joke, Blackberry?! I checked and I constantly have PIM services at 30-40 %, which is the main battery drainer. Following the suggestions on some of the forums I tried deleting accounts and found one that - being deleted - solves the problem. However, when I add it again it drains the battery again. The point is that i MUST have it on. this is mail only, no calendars, contacts. When I add it I left the phone overnight to download all it needed, 12 hours later PIM services still run at 30-40% all the time. Reloading the software does not help either. pls help, I am running out the ideas... I can't keep my phone connected to charger at all times...

After any OS upgrade on a BB10 device, it will take 48-72 hours for the device data syncing of email, contacts, social apps, etc., to complete and finish. High data transfer after an upgrade cause high processor use, which in turn causes high battery usage. Likewise, high processor use will cause some lag and initial slowness. Ignore and and be patient. It can take the 48 hours for all contacts to sync back to the device. And, the battery will recover after a few days. Just don't drain your battery to 10% or less each time, top off the charge. You'll notice a difference after a couple days. Additionally, look at your Device Manager and in the top pull down menu tap LAST 24 HOURSTap the Battery tab at bottom. What are the top 3-4 processes draining the battery?Tap the CPU tab, what are the top 3-4 processes using the CPU?

Lumia 820 battery drain after "Black" update

Hi all,
Yesterday I finally received the black update on my NL820. After applying the update successfully I charged the phone to %100. Before I went to bed I had:
Battery at %94
Wifi - Off
Data services - Off
Location services - Off
Bluetooth - Off
Battery Saver - On
This morning I wake up and it is unusually bright outside - the phone powered off, the alarm didn't go off and I overslept for work. I haven't touched any other settings after the update. Everything is the way I used it before. What is it that could drain a battery in the space of 8 hours from almost full to power off? I've had this happen on the same phone twice prior to the upgrade as well but then I thought I've forgot data services on or something. This time I'm sure everything was off.
Please advise.
Martin

I have been using Lumia 820 since 1 year and have never faced any issues. But after the recent "black" update... my mobile battery drains out within few hours after i charge it 100%. I have to charge it 3-4 times in a day ..
1. I dont have any GPRS connection.
2. I use wifi at home (only evenings). The rest of the day.. I use it only for calls and texts.
3. I have tried hard reset, but that dint help.
4. After hard reset, I dint update my mobile software.
I charge it till 11pm and when I wake up at 5 am .. I see the mobile is switched off and I cant depend on the alarm to wake me up . That makes me so nervous.
Please bring out some solution to this problem. It is so irritating to charge the mobile for so many times in day.

Battery draining after ios4.3 ?

Hi,
I noticed that after my recent upgrade to ios4.3, the battery drain very fast when i use the apps on iphone. Simmiliar issue doesn't happen when i was at ios4.2.1. Currently at ios4.3, when i use the apps for around 20 minutes, the battery drain for 4%, is this normal ?
The apps that i am using is msn/facebook.

To be honest these are the solutions that may or may not work.
First thing I would try is rebooting the phone by holding the sleep/wake button and home button for 15 seconds until you see the white apple logo.
If that doesn't work I would restore from backup. If that doesn't work I would restore as new. If all else fails take it to your closest apple store they may replace the phone for a working one..

Battery drains after updating to 7.0.6

I just upgraded to ios 7.0.6
ever since the phones battery has been draining like crazy, its gone bonkers.
If i leave it overnight without on charge plug , at 75% , its switced off by the time im up in the morning.
My location services are off, background app refresh is off, dont have 3G, and still the phone wont go more than 4 hours,
after coming to 15% the phone just switches off abruptly.
Bad apple days !!

Yes , i reset my phone twice , setting > general> reset all settings
and i let the battery drain till the phone got switched off and then i charged my phone overnight.
nothing happened !
dont know how to restore/ restore as new

Battery drain after updating to iOS 5.1.1

After doing the update to iOS 5.1.1 the phone is getting hot "warm" near the processor and the battery drains about 1% per 10 mins in standby and 10X when running an app. Meaning that the phone will run about 6 hours when it used to run for 48 hours on a charge. When putting the phone in airplane mode battery life appears normal. Following others that have reported this issue, I've done a Reset All Settings and two Erase All Content and Settings then restored from back up. Unfortuately what worked for others has not worked for me...
Took the phone to the Apple store and was told by the genius that there are no issues with the update and that location servers were to blame. Explaining over and over and over again that none of those settings have changed and that the only thing that changed was the update I got no answers, just more frustrated.
Currently I have all location services off and wifi off but still have the same problem.
Looking to either find the magical reset sequence that others have has success with or just roll back the update.
Help.

Close all open apps by double-tapping the home button, then swiping up and off the screen with the app window (not the smaller icon).
Reset your device: hold down the home button along with the sleep/wake button until the screen goes black and you see the Apple, then let go. (No data loss)

Enormous battery drain after 3.01 upgrade

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