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G900H update ANG3 has completely destroyed my battery life

OP Oj0

1st September 2014, 09:40 AM   |  #1  
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Until Friday, I was able to get up to 4 days worth of use out of my phone with a screen on time of about 2.5 hours. Standby hardly did anything to the battery, I was losing about 1% every 8 hours. On Saturday I did the ANG3 update (G900HXXU1ANG3) and since then my battery has been dropping several percent per hour. I have done multiple restarts, drained the battery completely and recharged and double checked that I haven't installed any other applications or made changes to the phone. Over the last 14 hours I have dropped from 100% to 68% with a screen on time of 47 seconds. GPS is off, location services are off, mobile data is off, screen rotation and gestures are off, etc. Only Wi-Fi is turned on (basically how I've used the phone since I got it at the beginning of August).

Any help would be appreciated

Just some more info - I am running an unrooted phone with stock Samsung firmware, I haven't and don't plan on flashing to anything else. Full info as follows, just in case:

Model: SM-G900H
Android version: 4.4.2
Baseband: G900HXXU1ANG3
Kernel: 3.10.9-2109283
dpi@SWDD5022 #1
Wed Jul 9 14:56:51 KST 2014
Build: KOT49H.G900HXXU1AMG3
SE Status (what is this? I didn't see it on my S2): Enforcing
SEPF_SM-G900H_4.4.2_0018
Wed Jul 09 15:16:12 2014
Security software version: MDF v1.0 Release 3

Is it possible to go back to ANG2 or earlier? I am quite confident flashing custom ROMs using recovery mode but I'm lost with stock. Is it recommended I try anything else before flashing to an older ROM?
Last edited by Oj0; 1st September 2014 at 02:39 PM.
7th September 2014, 05:28 PM   |  #2  
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Quote:
Originally Posted by Oj0

Until Friday, I was able to get up to 4 days worth of use out of my phone with a screen on time of about 2.5 hours. Standby hardly did anything to the battery, I was losing about 1% every 8 hours. On Saturday I did the ANG3 update (G900HXXU1ANG3) and since then my battery has been dropping several percent per hour. I have done multiple restarts, drained the battery completely and recharged and double checked that I haven't installed any other applications or made changes to the phone. Over the last 14 hours I have dropped from 100% to 68% with a screen on time of 47 seconds. GPS is off, location services are off, mobile data is off, screen rotation and gestures are off, etc. Only Wi-Fi is turned on (basically how I've used the phone since I got it at the beginning of August).

Any help would be appreciated

Just some more info - I am running an unrooted phone with stock Samsung firmware, I haven't and don't plan on flashing to anything else. Full info as follows, just in case:

Model: SM-G900H
Android version: 4.4.2
Baseband: G900HXXU1ANG3
Kernel: 3.10.9-2109283
dpi@SWDD5022 #1
Wed Jul 9 14:56:51 KST 2014
Build: KOT49H.G900HXXU1AMG3
SE Status (what is this? I didn't see it on my S2): Enforcing
SEPF_SM-G900H_4.4.2_0018
Wed Jul 09 15:16:12 2014
Security software version: MDF v1.0 Release 3

Is it possible to go back to ANG2 or earlier? I am quite confident flashing custom ROMs using recovery mode but I'm lost with stock. Is it recommended I try anything else before flashing to an older ROM?

This is odd. I Did the same update with no problems.
But I do have my S5 SM-G900H rooted and I have disabled some starting apps with "all in one" and using "Greenify" to hibernate some apps.

I have all locations turned on. Inclusive GPS. Power consumption is fine.
I'been sleeping so. Screen active is 2hs30min. Quite fair I guess

I would re flash the Rom. And root it, you can squeeze the stamina with Only those 2 apps I Mentioned before.
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Last edited by MAQUiNitA; 7th September 2014 at 05:33 PM.
7th September 2014, 06:51 PM   |  #3  
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Quote:
Originally Posted by Oj0

Until Friday, I was able to get up to 4 days worth of use out of my phone with a screen on time of about 2.5 hours. Standby hardly did anything to the battery, I was losing about 1% every 8 hours. On Saturday I did the ANG3 update (G900HXXU1ANG3) and since then my battery has been dropping several percent per hour. I have done multiple restarts, drained the battery completely and recharged and double checked that I haven't installed any other applications or made changes to the phone. Over the last 14 hours I have dropped from 100% to 68% with a screen on time of 47 seconds. GPS is off, location services are off, mobile data is off, screen rotation and gestures are off, etc. Only Wi-Fi is turned on (basically how I've used the phone since I got it at the beginning of August).

Any help would be appreciated

Just some more info - I am running an unrooted phone with stock Samsung firmware, I haven't and don't plan on flashing to anything else. Full info as follows, just in case:

Model: SM-G900H
Android version: 4.4.2
Baseband: G900HXXU1ANG3
Kernel: 3.10.9-2109283
dpi@SWDD5022 #1
Wed Jul 9 14:56:51 KST 2014
Build: KOT49H.G900HXXU1AMG3
SE Status (what is this? I didn't see it on my S2): Enforcing
SEPF_SM-G900H_4.4.2_0018
Wed Jul 09 15:16:12 2014
Security software version: MDF v1.0 Release 3

Is it possible to go back to ANG2 or earlier? I am quite confident flashing custom ROMs using recovery mode but I'm lost with stock. Is it recommended I try anything else before flashing to an older ROM?

ANG9 has good batterylife for me, think its a problem on your end. Install BetterBatteryStatts and CPU Spy to see what`s going on.
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