[Q] Hello Everyone. - Galaxy S II Q&A, Help & Troubleshooting

Hello everyone,
From yesterday i started facing a strange issue due to which i am experiencing serious battery draining issues.
My battery started draining 1-2% every 5 min in idle mode after i played a game named crazy fist . next day i factory resetted my phone. In idle now it is not consuming any power but when i do some work on my phone , it consumes alot of battery and it.drins like 1% every 2-2.5 min.
Charging time is normal. But discharge is pretty fast.
So i checked thr battery usage inside settings.and noticed that my display is consuming about 41% of the battery and android os arnd 13%. I am not sure qbout os usage but thr diaplay is consuming too much power. I think initially it used to consume 13-20(max)%.
Or is the usage correct? I am using sgs2 stock midel and have no intentions to root it.
Kindly assist and reply asap. Thanks in.advance,
Siddhanth

the display on the galaxy s2 does drain alot of battery if your using it for quite a while..thats what they call screen on time..my battery was draining fast and i panicked... when you do use your phone how long do you use it? say do you use to browse like for a good hour non stop?
if you was rooted i could of gave you some options but here is a link to help you read and give you some tips on battery life...
http://forum.xda-developers.com/showthread.php?t=1234264
charge your phone fully and drain it without switching it off..charge it again without taking it off charger i say leave it for a good few hours...do the same thing for a few charging cycles and see what the battery like is after that..but check the link

But this strange thing happened to me aftrr 1month.
I wss never rooted.
I mean this is the first time my display is consuming 59-61% of the overall battery. is this normal and does it hsppen to u too?

kyuubisiddhanth said:
But this strange thing happened to me aftrr 1month.
I wss never rooted.
I mean this is the first time my display is consuming 59-61% of the overall battery. is this normal and does it hsppen to u too?
Click to expand...
Click to collapse
i thought the same as you buddy. never realised it in the start when i had my s2 but then checking the battery usage and i panicked...its normal for the display to drain the battery alot..
change your brightness to auto and there is an option in settings and display where you can tick to have the display autoadjusted. thats for brightness..
or do what i do and have your brightness on the lowest settings and see how it goes from there...fully charge your battery let it say for 6 hours then let it drain till it dies down without any breaks and then charge it again to the max..do the same thing for a few times and check whats the battery after a few days...

Matriak31 said:
i thought the same as you buddy. never realised it in the start when i had my s2 but then checking the battery usage and i panicked...its normal for the display to drain the battery alot..
change your brightness to auto and there is an option in settings and display where you can tick to have the display autoadjusted. thats for brightness..
or do what i do and have your brightness on the lowest settings and see how it goes from there...fully charge your battery let it say for 6 hours then let it drain till it dies down without any breaks and then charge it again to the max..do the same thing for a few times and check whats the battery after a few days...
Click to expand...
Click to collapse
Thanks mate.
Lemme try this.
*a bit of relief*

http://forum.xda-developers.com/showthread.php?t=1234264
check that as well

Matriak31 said:
http://forum.xda-developers.com/showthread.php?t=1234264
check that as well
Click to expand...
Click to collapse
One question more : do i need to recharge my phone wgen it is switched off or i can turn it on in between.

kyuubisiddhanth said:
One question more : do i need to recharge my phone wgen it is switched off or i can turn it on in between.
Click to expand...
Click to collapse
when calibrated your phone you leave it on of course and charge it without any interuptions...when you let it drain with out any breaks like switching it on and off, once it dies down then plug to charge it.....it will charge and it will give you the battery icon...once its fully charged you can see by the battery when its fully green switch your phone and your good to go...

Matriak31 said:
when calibrated your phone you leave it on of course and charge it without any interuptions...when you let it drain with out any breaks like switching it on and off, once it dies down then plug to charge it.....it will charge and it will give you the battery icon...once its fully charged you can see by the battery when its fully green switch your phone and your good to go...
Click to expand...
Click to collapse
I am doin the same as you said.
Tell me is the any way to calibraye battery as there is in galaxy s.
Like in cwm mode or something like that.

kyuubisiddhanth said:
I am doin the same as you said.
Tell me is the any way to calibraye battery as there is in galaxy s.
Like in cwm mode or something like that.
Click to expand...
Click to collapse
hey buddy sorry for the late reply..go to market and download the battery calibration app by Nema..once you installed it charge your phone fully go into the app and just follow the instructions and then you should be fully calibrated..
but download the app first

Thanks, i tried it todsy but it says root needed.
I have a stock rom. and i dont want to change the rom before my warranty period gets over.

Install BetterBatteryStats from the Android Marketplace. Run it and see if there is/are any app(s) gone rogue abusing CPU power other than the display.

iamkalabaw said:
Install BetterBatteryStats from the Android Marketplace. Run it and see if there is/are any app(s) gone rogue abusing CPU power other than the display.
Click to expand...
Click to collapse
Thanks for the info buddy. Lemme find an alternative app for this.
Bcz ig is costly hrre.

kyuubisiddhanth said:
Thanks for the info buddy. Lemme find an alternative app for this.
Bcz ig is costly hrre.
Click to expand...
Click to collapse
You can get it here for free if your an xda member. search for it.

Matriak31 said:
You can get it here for free if your an xda member. search for it.
Click to expand...
Click to collapse
Is ot the same page which says xdadeveloperedition.apk?
If not brother provide me the link here.

Related

Strange battery problem help plz

My phone drains the battery very quickly from 100% to 1% but after reaching 1% it can be used for hours.Last time after the full charge battery dropped from 100-1% in about 2 1/2 hours of use on WiFi but after that it lasted for more than 13 hours on 1% but the Network data, Bluetooth and WiFi was off.
Currently i am running CM7 stable (battery fix is also applied) i was also facing such issues on the stock 2.3.4.
maybe a battery re-calibration can solve this issue?
sspa said:
maybe a battery re-calibration can solve this issue?
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=1198333
I have done that also followed the steps for charging given in this thread
Sent from my MB860 using XDA App
ibrahimsengul said:
I bought my Atrix 3 weeks ago. My previous device was also another Motorola, Milestone.
When I first started to use Atrix I found that the battery was draining so quickly even I didn’t install any apps yet. It was becoming 1% in 70 minutes with full display and running default apps.
I tried to full battery several times, did factory resets and finally went back to shop. The shop replaced the battery with another new one.
Still it happened same problem. Then they changed my device with another new one. It was same, too.
I would give it back to shop but last time I decided to discharge it until it turns off.
At this point I found that discharging takes long time after it became 1%. For example by heavy using it becomes 1% in 70 minutes, then it takes at least 200 minutes more even I watch videos via Youtube, play games etc.. It means in total it takes at least 4,5 hours with full display and heavy usage. That’s OK for me as battery life.
But I want my battery meter show correct percentage. Then I can be able to know when it will turn off.
I tried battery calibration several times. I search a lot about this problem but found nothing. Probably people thinks that their battery life is too short.
So cannot find solution.
Summary: My Atrix’s battery meter immediately drop to 1% and then runs 3 times longer than previous 99%. PLEASE HELP ME TO CORRECT MY BATTERY METER DISPLAY.
Do you think that your battery fix way helps me?
Please see details of my Atrix below:
MB860
2.3.4
45.0.7.MB860.Orange.en.FR
N_01.77.30P
[email protected]#2
4.5.2A-11_OLE-7 OceanR1.1
Battery calibration result in %100: 4196mV
Current charge: 40%, 3944mV
Usage: 12h 48m 1s on battery (wifi and 3g data off)
(Phone idle 72%, mobile standby 13%, display 7%)
Click to expand...
Click to collapse
Another atrix owner is also facing the same issue.
Sent from my MB860 using XDA App
maybe you can just shot that owner a PM, ask how he solved his problem.
sspa said:
maybe you can just shot that owner a PM, ask how he solved his problem.
Click to expand...
Click to collapse
He has not figured out the problem he is also looking for a solution.
I have now reflashed stock sbf 2.3.4 still having the same problem.
My device settings
Network data and Bluetooth is always off.
WiFi is only on when being used rest of the time its also off.
terminator1983 said:
I have now reflashed stock sbf 2.3.4 still having the same problem.
My device settings
Network data and Bluetooth is always off.
WiFi is only on when being used rest of the time its also off.
Click to expand...
Click to collapse
Like somebody already told you a few post back, follow these steps and it will fix your problem...
http://forum.xda-developers.com/showthread.php?t=1198333
Hint: Follow the steps!
sotodefonk said:
Like somebody already told you a few post back, follow these steps and it will fix your problem...
http://forum.xda-developers.com/showthread.php?t=1198333
Hint: Follow the steps!
Click to expand...
Click to collapse
I have already followed these steps twice but i doesn't seem to work for me.
terminator1983 said:
I have already followed these steps twice but i doesn't seem to work for me.
Click to expand...
Click to collapse
Did you flash the jug6ernaut's CWM battery fix in recovery?
Do your battery its an original battery or its a chinese one?
sotodefonk said:
Did you flash the jug6ernaut's CWM battery fix in recovery?
Do your battery its an original battery or its a chinese one?
Click to expand...
Click to collapse
Yes i have also applied the fix no battery is original it came with the phone and the phone is only two weeks used.
Have you solved this problem? I meet the same issue.
byelims said:
Have you solved this problem? I meet the same issue.
Click to expand...
Click to collapse
No nothing how u got this problem.
Sent from my MB860 using Tapatalk
terminator1983 said:
No nothing how u got this problem.
Sent from my MB860 using Tapatalk
Click to expand...
Click to collapse
I don't know. I bought it, and unlocked it directly, then flash CM7 Rom, but noticed that the battery drain very fast. However, after the indicator becomes 1%, I can still use rather a long time. I thought it was an error on battery meter, but I can't make it display correctly through calibration.
Now if the battery is fully charged, I can still use rather a long time after the indicator becomes 1%. But after the battery drained, it can't be charged completely. It really disappoints me very much.
byelims said:
I don't know. I bought it, and unlocked it directly, then flash CM7 Rom, but noticed that the battery drain very fast. However, after the indicator becomes 1%, I can still use rather a long time. I thought it was an error on battery meter, but I can't make it display correctly through calibration.
Click to expand...
Click to collapse
Ya that's the same problem i have i think its something to do with phone recognizing the mah capacity of the battery if u can see the charge-full-design in sys/class/power-supply/battery/charge-full-design u will notice it showing only 500 which should be 1880 that's why our phone drops and charge quickly according the capacity its getting from charge-full-design.
This value can be changed on other phone but for Motorola i have not found any tutorial or app to do so
http://forums.webosnation.com/palm-pre-pre-plus/256967-find-out-how-good-bad-your-battery.html
http://forum.xda-developers.com/showthread.php?t=765609
byelims said:
Now if the battery is fully charged, I can still use rather a long time after the indicator becomes 1%. But after the battery drained, it can't be charged completely. It really disappoints me very much.
Click to expand...
Click to collapse
And for charging don't take off the phone from charging on 100% bcoz when the phone battery meter is showing 100% its battery mv is less than 3900mv and if u keep it on charge after 100% battery mv value will gradually go up to 4200mv which is the actual capacity of the battery.
terminator1983 said:
Ya that's the same problem i have i think its something to do with phone recognizing the mah capacity of the battery if u can see the charge-full-design in sys/class/power-supply/battery/charge-full-design u will notice it showing only 500 which should be 1880 that's why our phone drops and charge quickly according the capacity its getting from charge-full-design.
This value can be changed on other phone but for Motorola i have not found any tutorial or app to do so
http://forums.webosnation.com/palm-pre-pre-plus/256967-find-out-how-good-bad-your-battery.html
http://forum.xda-developers.com/showthread.php?t=765609
And for charging don't take off the phone from charging on 100% bcoz when the phone battery meter is showing 100% its battery mv is less than 3900mv and if u keep it on charge after 100% battery mv value will gradually go up to 4200mv which is the actual capacity of the battery.
Click to expand...
Click to collapse
Oh, thanks. The value in sys/class/power-supply/battery/charge-full-design is just a result, representing the battery statue. So the key is that the battery capacity can't be recognized correctly by the phone. I just test another battery, and the value 1880!
But the former battery doesn't look like a fake one. Actually, I bought them together. I can't understand.

Idle battery drain problem

Hey guys, I have no idea what's happening, but this has been going on for a while. I have an unlocked galaxy s ii, and I love it, but lately the battery drain has been unbearable. If I just play a video on it I can probably get 5 hours of screen on time, which seems pretty good to me, but if its sitting in my pocket the battery just keeps going down. Once it went down 8 percent in five minutes doing absolutely nothing. Facebook also takes away way too much battery. Could someone recommend some apps to monitor battery usage and possibly tell me what to do? Thanks
Squirks said:
Hey guys, I have no idea what's happening, but this has been going on for a while. I have an unlocked galaxy s ii, and I love it, but lately the battery drain has been unbearable. If I just play a video on it I can probably get 5 hours of screen on time, which seems pretty good to me, but if its sitting in my pocket the battery just keeps going down. Once it went down 8 percent in five minutes doing absolutely nothing. Facebook also takes away way too much battery. Could someone recommend some apps to monitor battery usage and possibly tell me what to do? Thanks
Click to expand...
Click to collapse
1) try friend caster instead of Facebook
2) use better battery stats (BBS) app to see whats draining ur Batt so that u can take action with them
3) use CPU spy app to see if ur phone is entering Deepsleep r not
Rooted?
Sent from my GT-I9100 using XDA Premium App
Okay, I'll try both those apps. Yes, I'm rooted, running the latest version of resurrection remix icx.
Squirks said:
Okay, I'll try both those apps. Yes, I'm rooted, running the latest version of resurrection remix icx.
Click to expand...
Click to collapse
Charge your battery till 100% boot into recovery advanced wipe battery stats and reboot.I hope this will solve your issues
hit thx if this helped

[Q][SOLVED] HELP Sudden Battery Drain

This is what happened...
yesterday at 7:00 AM my phone was at 98% Battery
Only Flight mod and Power saver mod was enabled,
Every thing else was disabled
Then i left home without taking my phone ( It was on my bed i forgot to take)
Later i returned home at 2:00 PM
And found my phone very hot.
Now the battery is at 14%
It says 88% of Battery was used for Android OS
Then i turned off my phone
After some time heat went off...
Then i turned on and plugged in for Charging
It Took 4 hours to charge 24% :crying::crying::crying::crying::crying:
Can anyone please explain whats happening ???
It sounds like something is keeping the cpu running, which is why android is is so high and explain the battery loss and heat. You could go into your settings and look at the running apps in applications manager, and see if anything is out of the ordinary.
Sent from my GT-I9300 using xda app-developers app
Could be something like mediascanner scanning the sdcard if you hve one. GSAM and BBS are good apps to check wakelocks. The latter is better but it's a pay for app.
laura almeida said:
This is what happened...
yesterday at 7:00 AM my phone was at 98% Battery
Only Flight mod and Power saver mod was enabled,
Every thing else was disabled
Then i left home without taking my phone ( It was on my bed i forgot to take)
Later i returned home at 2:00 PM
And found my phone very hot.
Now the battery is at 14%
It says 88% of Battery was used for Android OS
Then i turned off my phone
After some time heat went off...
Then i turned on and plugged in for Charging
It Took 4 hours to charge 24% :crying::crying::crying::crying::crying:
Can anyone please explain whats happening ???
Click to expand...
Click to collapse
1. what rom are you using? 2. slow charging may be due to cable. change the cable and check the result. :good:
Remove new installed apps, check cable, restart your phone...
Now its working fine
Is there any way to find out which app was using my Battery ?
I'm On I9300XXUFME7 – Android 4.2.2 Jelly Bean leaked firmware
Now its working fine
Is there any way to find out which app was using my Battery ?
I'm On I9300XXUFME7 – Android 4.2.2 Jelly Bean leaked firmware
Not after the fact, no
Sent from my GT-I9300 using Tapatalk 4 Beta
I have the exact same problem but mine hasn't gone away. I can charge it all night and in the morning it will be at like 40%.
It only started after I flashed that leaked firmware. I have since rooted it and frozen out all the bloatware to no avail.
I'd love to hear any suggestions on how to solve this?
daniogroove said:
I have the exact same problem but mine hasn't gone away. I can charge it all night and in the morning it will be at like 40%.
It only started after I flashed that leaked firmware. I have since rooted it and frozen out all the bloatware to no avail.
I'd love to hear any suggestions on how to solve this?
Click to expand...
Click to collapse
Well theres 2 things...
1) Like Laura, drain so excessive that when charging it is slow
2) No drain, just slow charging
Different answers for both situations. Are you 1 or 2?
rootSU said:
Well theres 2 things...
1) Like Laura, drain so excessive that when charging it is slow
2) No drain, just slow charging
Different answers for both situations. Are you 1 or 2?
Click to expand...
Click to collapse
I think Drain so excessive that is why charging is slow..
And It happened again...
but this time phone was in my back pocket...
It was in my pocket for like 30 mints or 45 mints..
Later i found my Ass on fire..:crying:
When i checked, both my phone and my ass was red hot..
Then i pulled out my battery
After some time re inserted it...
Now its working fine...
I think its going to happen again
Is there any way to find out which app is Killing my Battery ?
Please help me...
I don't want to set my ass on fire again...
laura almeida said:
I think Drain so excessive that is why charging is slow..
And It happened again...
but this time phone was in my back pocket...
It was in my pocket for like 30 mints or 45 mints..
Later i found my Ass on fire..:crying:
When i checked, both my phone and my ass was red hot..
Then i pulled out my battery
After some time re inserted it...
Now its working fine...
I think its going to happen again
Is there any way to find out which app is Killing my Battery ?
Please help me...
I don't want to set my ass on fire again...
Click to expand...
Click to collapse
The best app IMHO is BetterBattery Stats. It's not free though, but it's a great asset. I have the widget on my home screen at all times. If you're not in a position to pay for an app, try GSAM, but BBS IS better. This will only be good until you pull the battery though so you need to ensure you check before rebooting. It will show you which apps are keeping the phone awake etc.
daniogroove said:
I have the exact same problem but mine hasn't gone away. I can charge it all night and in the morning it will be at like 40%.
It only started after I flashed that leaked firmware. I have since rooted it and frozen out all the bloatware to no avail.
I'd love to hear any suggestions on how to solve this?
Click to expand...
Click to collapse
Yeah Mine also stared after I flashed with XXUFME7 Leaked Firmware...
Does your phone gets over heated during the charging time ?
Have you tried another cable for charging ?
rootSU said:
The best app IMHO is BetterBattery Stats. It's not free though, but it's a great asset. I have the widget on my home screen at all times. If you're not in a position to pay for an app, try GSAM, but BBS IS better. This will only be good until you pull the battery though so you need to ensure you check before rebooting. It will show you which apps are keeping the phone awake etc.
Click to expand...
Click to collapse
I'm ready to Pay for BetterBattery Stats..
I don't mind if its a paid app or not as long as it servers me good...
After installing that app do I have to remove my battery and re-insert it ?
What rootSU meant is the app will record data till the time you pull out your battery.
pulley06 said:
What rootSU meant is the app will record data till the time you pull out your battery.
Click to expand...
Click to collapse
Yep. Best way to get good stats is to charge the phone full, unplug it and go about your business. Try not to reboot. At the end of the day lets see those stats and what we can find out.
Here is the list of apps on my Phone...
I don't have many apps...:angel:
I have Flashed my phone just a week ago..
And I haven't got time to restore all my apps again..
So, this is all the apps that i pretty much use now...
rootSU said:
Yep. Best way to get good stats is to charge the phone full, unplug it and go about your business. Try not to reboot. At the end of the day lets see those stats and what we can find out.
Click to expand...
Click to collapse
Kk...
Thank you very much for Helping me...
Sorry for my Bad English..
I'm From Spain...
English is my 2nd language..
de nada
rootSU said:
Well theres 2 things...
1) Like Laura, drain so excessive that when charging it is slow
2) No drain, just slow charging
Different answers for both situations. Are you 1 or 2?
Click to expand...
Click to collapse
I am facing 1st issue as your post what can i do

Mega 5.8 - Battery dies within 5 minutes of reaching 20%

Hello all
I am using Mega 5.8 for 15 days now, everything is great. . Battery too is fine works for the whole day and some more but I find it strange that after reaching 20% the battery dies within minutes and phone shuts down. I thought that might be due to new battery but after 10+ recharge cycles this behavior have not changed.
Can anyone confirm that its a common thing with Mega 5.8 or there's some issue with my device.
Also while we are at it any idea when we might get 4.3 update for Mega?
Thankd
Sent from my GT-I9152 using xda app-developers app
Ditto !
I have the same problem . battery reaches 15% and then dies off in no time... So i take my battery as 85% generally . Not sure whats going wrong . But seems like firmware problem . Guys any solution ?
gauravxda said:
I have the same problem . battery reaches 15% and then dies off in no time... So i take my battery as 85% generally . Not sure whats going wrong . But seems like firmware problem . Guys any solution ?
Click to expand...
Click to collapse
If you have root you can use Battery calibration app from the Play store.
gx3k said:
If you have root you can use Battery calibration app from the Play store.
Click to expand...
Click to collapse
Thanks for the heads up gx3k , but just to clarify i am not new to rooting . Have galaxy S2 which is full blown modified .
I downloaded battery calib app and deleted stats like 10 times...tried to manually delete the stats bin folder....but nothing has worked . I feel the culprit is the rom .
Haven't rooted the phone but don't believe this to be a calibration issue.
May be its firmware but how to confirm unless we get an update.
Sent from my GT-I9152 using xda app-developers app
Same problem with me
Just try this . One you are in middle of your discharge like around 50% just remove the battery for 20 secs and put it back . You will see in battery you have already lost 10-12% of battery . I think this is the case of either wrong battery reporting or bad batteries. Just have to wait for a custom rom to cross check this .
GalaxyMega 5.8 battery life
Same thing here. Already tried calibration. Didn't help.
Was charging it. Removed it from the charger at 60%, I removed the battery and put it back in. The battery % then showed 74%.
fredbvalani said:
Same thing here. Already tried calibration. Didn't help.
Was charging it. Removed it from the charger at 60%, I removed the battery and put it back in. The battery % then showed 74%.
Click to expand...
Click to collapse
Yes definitely there is a problem. Battery was at 31% then I removed battery and put it back. It dropped to 8%. had to connect it to charger.....
Have anybody tried the latest firmware for October if the battery issue is solved?
i've updated my galaxy mega 5.8 duos to latest firmware,still not fixed.. :crying:
RobyGalaxy said:
i've updated my galaxy mega 5.8 duos to latest firmware,still not fixed.. :crying:
Click to expand...
Click to collapse
Very few users complain about this, maybe because there are only a few of us or it is not an issue as very seldom users remove the battery?
As for me when the level goes between 20-30% which is usually on the 3rd day I recharge the battery.
Indian Devil said:
Hello all
I am using Mega 5.8 for 15 days now, everything is great. . Battery too is fine works for the whole day and some more but I find it strange that after reaching 20% the battery dies within minutes and phone shuts down. I thought that might be due to new battery but after 10+ recharge cycles this behavior have not changed.
Can anyone confirm that its a common thing with Mega 5.8 or there's some issue with my device.
Also while we are at it any idea when we might get 4.3 update for Mega?
Thankd
Sent from my GT-I9152 using xda app-developers app
Click to expand...
Click to collapse
Dude Battery callibration could help you .. same condition was wid me .. i callibrated n now my battery is MEGA now
1.Root ur fone
2.drain your battery to zero
3.short all your battery terminals to make sure your battery is totally dead..
4.then charge your battery to 100%
5.n press CALLIBRATE from ur callibration software.
i will like to tell you that some processes drain ur battery very rapidly ,, i removed some apps n processes and now battery lasts,
so i will advise u too flash ur fone completly takin ur data backedUp..
aakashdahake said:
Dude Battery callibration could help you .. same condition was wid me .. i callibrated n now my battery is MEGA now
1.Root ur fone
2.drain your battery to zero
3.short all your battery terminals to make sure your battery is totally dead..
4.then charge your battery to 100%
5.n press CALLIBRATE from ur callibration software.
i will like to tell you that some processes drain ur battery very rapidly ,, i removed some apps n processes and now battery lasts,
so i will advise u too flash ur fone completly takin ur data backedUp..
Click to expand...
Click to collapse
Whatever you do "DO NOT SHORT YOUR BATTERY TERMINALS UNDER ANY CIRCUMSTANCE" That's a fire hazard. Lithium Ion batteries can generate massive heat very quickly and have been known to explode on occasions.
Practise good battery management by charging your battery whenever possible and keep it on charge for as long as you can. This will condition it to give maximum performance.
Remember you can't get a battery to give any more power than it has from the charge you give it.
Calibration does nothing to the battery it only allows the software to monitor more accurately.
Lithium Ion batteries should never be allowed to discharge below a preset level as they will then die and will not charge again
lol im about to create a thread about this issue, i thought its only me who experienced this issue,, i've encounter this problem as well,, everytime the battery reach the 15% or the low battery warning, it drains very fast from 15 to 1% it just like about 2 minutes then my phone shuts off due to very low battery level
oh yea,, try the *#0228# it shows the real battery %. in my experience,, from 40% battery suddenly drop to 18%. btw for the calibration apps from the playstore, it just delete your batterystats.bin which have no benefit at all. anyone who encounter this problem please share your experience
I installed Battery Notifier and adjusted the low battery alarm at 25% . It is just a workaround but it serves the purpose.
Sent from my X716S using xda app-developers app
bongski55 said:
Very few users complain about this, maybe because there are only a few of us or it is not an issue as very seldom users remove the battery?
As for me when the level goes between 20-30% which is usually on the 3rd day I recharge the battery.
Click to expand...
Click to collapse
so.. what do you think? is this a software issue or a hardware issue?? cuz if its hardware issue, my mega and the battery still under warranty. iam confused is it really US who encounter this issue or the others didnt realize it cuz they never drain their battery until 15%.
aakashdahake said:
Dude Battery callibration could help you .. same condition was wid me .. i callibrated n now my battery is MEGA now
1.Root ur fone
2.drain your battery to zero
3.short all your battery terminals to make sure your battery is totally dead..
4.then charge your battery to 100%
5.n press CALLIBRATE from ur callibration software.
i will like to tell you that some processes drain ur battery very rapidly ,, i removed some apps n processes and now battery lasts,
so i will advise u too flash ur fone completly takin ur data backedUp..
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okay our issue is NOT about BATTERY LIFE, but about BATTERY PERCENTAGE,, DUDE.
in this review the reviewer encounter the same issue like us
"A couple of times we experienced a sharp dip in battery life when the levels went below 20 percent"
nezt94 said:
so.. what do you think? is this a software issue or a hardware issue?? cuz if its hardware issue, my mega and the battery still under warranty. iam confused is it really US who encounter this issue or the others didnt realize it cuz they never drain their battery until 15%.
Click to expand...
Click to collapse
Hardware or software I don't really know.
As I use the mega 5.8 as my daily phone I see to it that I dont go below 20%. And evry other day or a maximum of 3 days I always recharge my phone. Perhaps other users have a similar routine so very few if any, complain about the issue on this thread.
bongski55 said:
Hardware or software I don't really know.
As I use the mega 5.8 as my daily phone I see to it that I dont go below 20%. And evry other day or a maximum of 3 days I always recharge my phone. Perhaps other users have a similar routine so very few if any, complain about the issue on this thread.
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yea, i think thats why only few people who noticed this issue, they rarely use their phone below 20%. btw i just post a new thread in samsung developers forum, dont know where to report this issue so i post it there lol
i've try calibrating the battery, no differrnce at all. oh man , i wish samsung realized this issue

[Q] Screen using 50% of battery

Hi
I have rooted my phone and installed CM11 Nightly + Kitkat on my Xperia P. I noticed all the times Screen consuming 50% of battery and due to this my battery is getting drained quickly and its not lasting for atleast a day.. Can someone help me to fix this issue and use my mobile normal?
karthick.k11 said:
Hi
I have rooted my phone and installed CM11 Nightly + Kitkat on my Xperia P. I noticed all the times Screen consuming 50% of battery and due to this my battery is getting drained quickly and its not lasting for atleast a day.. Can someone help me to fix this issue and use my mobile normal?
Click to expand...
Click to collapse
Hey, did you remember to calibrate your battery after flashing the ROM?
Also it's pretty normal that the screen consumes a lot of battery. But if it isn't on for long periods of time and still drains there's something wrong.
You can check what is waking your device using this app
Another suggestion would be that don't use auto brightness, it drains the battery quite a bit.
Aniruddha10 said:
Hey, did you remember to calibrate your battery after flashing the ROM?
Also it's pretty normal that the screen consumes a lot of battery. But if it isn't on for long periods of time and still drains there's something wrong.
You can check what is waking your device using this app
Another suggestion would be that don't use auto brightness, it drains the battery quite a bit.
Click to expand...
Click to collapse
Yes I did callibrate my battery but not sure whether i did correct. Can you let me know how to calibrate my battery?
Let me try with that wakelockdetector apps.. I didnt use the auto brightness... even i tried reducing the brightness to 0% but no luck....
karthick.k11 said:
Yes I did callibrate my battery but not sure whether i did correct. Can you let me know how to calibrate my battery?
Let me try with that wakelockdetector apps.. I didnt use the auto brightness... even i tried reducing the brightness to 0% but no luck....
Click to expand...
Click to collapse
Well you probably did it correctly, not that complicated. Use the calibration app
I got it from this XDA thread and it always seems to work for me.
Just make sure to charge to 100%, unplug the charger and then press calibrate.
Anyway leave the wakelockdetector running for a day or so and then see what is waking your device the most.
Also check what governors and io schedulers you are using. That can make quite a difference.
Aniruddha10 said:
Well you probably did it correctly, not that complicated. Use the calibration app
I got it from this XDA thread and it always seems to work for me.
Just make sure to charge to 100%, unplug the charger and then press calibrate.
Anyway leave the wakelockdetector running for a day or so and then see what is waking your device the most.
Also check what governors and io schedulers you are using. That can make quite a difference.
Click to expand...
Click to collapse
Thanks. Let me try with thie Calibrator apps and check with wakelockdetector as well... Can you let me know which governor is best for battery and performance?
karthick.k11 said:
Thanks. Let me try with thie Calibrator apps and check with wakelockdetector as well... Can you let me know which governor is best for battery and performance?
Click to expand...
Click to collapse
It's hard to say which is best. You'll have to test them to suit your own needs.
Try using hotplug or smartassV2. They have a nice balance between battery and performance.
Currently I'm using hotplug, I find it has better battery and the performance is sufficient.
If you want more info on governors look in this thread.
karthick.k11 said:
Hi
I have rooted my phone and installed CM11 Nightly + Kitkat on my Xperia P. I noticed all the times Screen consuming 50% of battery and due to this my battery is getting drained quickly and its not lasting for atleast a day.. Can someone help me to fix this issue and use my mobile normal?
Click to expand...
Click to collapse
What brightness level do you use, and what is your screen on time?

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