Battery drain while shutdown :( - Galaxy S II Q&A, Help & Troubleshooting

Hello,
I have done some research on the subject but couldn't find anybody with the same problem as me.
My phone has a big battery drain. I can use it for about 10 hours before it shuts down. But the weird part is that it drains battery even when totally shut down. I loose about 50% during a night!!!
Has anybody already met the same problem?
Thinking it is hardware related, I already changed my battery but the result is not better.
I am looking for any idea to solve the problem.
thanks
Sent from my GT-I9100 using xda app-developers app

Stock ROM ? Custom ROM ? Kernel ?
Give us more information.
Sent from my GT-I9100 using Tapatalk

I tried with several different roms:
- Samsung stock
- cyanogen 9 and 10
- aokp
- miui 4.
But as it is draining while the phone is off, I don't think it is rom related.
Sent from my GT-I9100 using xda app-developers app

Sometimes my phone also like that. Any fix?

More information is required. Are you using a third party battery? When you mean shut down do you mean powered off? If so there is no reason that it drains. If you just placed it to standby I would check your running apps.
Sent from my Galaxy S too!

Not sure, but maybe you can wipe battery stats in recovery.
And what u mean by turned off? Completly off or just Standby? If its completly off, i guess your battery is broken.

When i mean shutdown, my phone is totally off. Not in standby. That's why I was wondering if any body encountered the same issue.
my phone has been running like that for few months.
The problem happened from one day to the next. I didn't change anything on the day the problem happened.
I also had an other problem (probably not related): the vibrator was broken. I changed it and now it is OK.
I also tried with both official Samsung battery and a third party one.
Any help is appreciated. Thanks
Sent from my Amazon Kindle Fire using xda app-developers app

This has also been affecting me for a couple of weeks since I upgraded from CM9 nightly to stable build, although I'm sure that may not be the cause. I've since tried wiping battery stats, proper discharge/recharge of my battery, re-flashing the phone with different firmware and even got a new battery in case that was the problem.
No luck.
With data turned off, no animations, black wallpaper, brightness at lowest setting and not using wifi, games, mp3, I get about 12 hours. Last night, I turned off my phone and my battery went from 46% to 8% when I turned it on this morning.
If anyone has any idea what could be causing this I'd be very much in their debt.
Edit: Now I'm back on stock ICS 4.0.4 rom, rooted with CWM

I have noticed the battery level of my phone significally dropping when restarted or it freezes but it seems as if the battery level slowly increases as it runs through the day.
Seems as if the phone is reading incorrect data from the battery but the actual values are greater.

I thought that might be the case here too but my battery is actually draining flat in that time. After the phone turns off I pop it into another phone and it's completely dead. But it isn't the battery either because they both last about 2 days in another i9100. It's really confusing.
When flashing a new firmware, I do a factory reset/wipe, wipe dalvik cache, wipe battery stats.... i have this problem no matter what I try to do.
Is it possibly a hardware problem? Or is it more likely that I'm doing something wrong?

Same problem here. It's definetely a hardware problem. I've found some people with usb connection issues that also had drain problems. They fixed it by replacing USB flex cable part, which is cheap in ebay and not difficult to replace... However, I don't know if it will solve our drain problem since we do not have connection or charging issues... Any experiences? Ideas? Please...

Probably an out of context answer since we are talking about shutdown and not standby. I used to lose 30% battery in standby overnight. Just disabling the location services got that number down to 5%.
I am on RevoltJB 2.5 with Dorimanx 5.85

pblasi said:
Same problem here. It's definetely a hardware problem. I've found some people with usb connection issues that also had drain problems. However, I don't know if it will solve our drain problem since we do not have connection or charging issues... Any experiences? Ideas? Please...
Click to expand...
Click to collapse
Have you tried different ROMs AND kernels? Or just stuck to one?
Also, did you try installing an app like CPU spy and checking if your phone goes into deep sleep or not? If it doesn't that's your problem right there.
Another thing you could do is use an app that monitors your battery's voltage. If its not approx 4100-4200mV at full charge, its not being charged fully and would explain a quick drain.
Sent from my GT-I9100 using xda app-developers app

pblasi said:
Same problem here. It's definetely a hardware problem. I've found some people with usb connection issues that also had drain problems. They fixed it by replacing USB flex cable part, which is cheap in ebay and not difficult to replace... However, I don't know if it will solve our drain problem since we do not have connection or charging issues... Any experiences? Ideas? Please...
Click to expand...
Click to collapse
HAXTREME said:
Have you tried different ROMs AND kernels? Or just stuck to one?
Also, did you try installing an app like CPU spy and checking if your phone goes into deep sleep or not? If it doesn't that's your problem right there.
Another thing you could do is use an app that monitors your battery's voltage. If its not approx 4100-4200mV at full charge, its not being charged fully and would explain a quick drain.
Click to expand...
Click to collapse
Thanks for your answer. As the thread title says, this is about battery drain when the phone is completely shut down, which means a hardware issue. Before I noticed that, I tried lots of roms, kernels, modems and made a big cleanup of wakelocks using BetterBatteryStats, until I saw that my battery loses about 30% in 8 hours when it's completely powered down (that means no rom, kernel or modem running). Battery out of the phone doesn't have that drain. I tried even changing the battery with no better results. So, it's a phone related hardware issue. I've read about people with usb connection problems (no PC sync, no charging, autoreboot, etc...) that also had "hardware" battery drain. They fixed all problems by replacing USB flex cable part. Since I don't have connection issues I don't know if it would work in my case, but I'm so desperate that I just bought this part and will try to replace it when it arrives. If anyone had or know about this particular issue I will appreciate his opinion. Thanks!

Same exact issue , but I have the t-mobile version.

pblasi said:
Thanks for your answer. As the thread title says, this is about battery drain when the phone is completely shut down, which means a hardware issue. Before I noticed that, I tried lots of roms, kernels, modems and made a big cleanup of wakelocks using BetterBatteryStats, until I saw that my battery loses about 30% in 8 hours when it's completely powered down (that means no rom, kernel or modem running). Battery out of the phone doesn't have that drain. I tried even changing the battery with no better results. So, it's a phone related hardware issue. I've read about people with usb connection problems (no PC sync, no charging, autoreboot, etc...) that also had "hardware" battery drain. They fixed all problems by replacing USB flex cable part. Since I don't have connection issues I don't know if it would work in my case, but I'm so desperate that I just bought this part and will try to replace it when it arrives. If anyone had or know about this particular issue I will appreciate his opinion. Thanks!
Click to expand...
Click to collapse
Did you manage to solve your problems? I have the same battery draining problems, and found no solution (flashed a lot of roms and kernels, but the battery drain is still there)

I have the same problem too, I have the 30% or a few more and the phone shutdown and I connect it and turn on again and says 0% battery, and charge until 100% and happen again in twenties or thirties. I have JB Deodexed Stock Rom and a NEW Samsung Battery.
Una prueba.
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Try and replace your baseband and see if it helps
Sent from my GT-I9100 using xda app-developers app

vishal11in said:
Try and replace your baseband and see if it helps
Sent from my GT-I9100 using xda app-developers app
Click to expand...
Click to collapse
A friend tell me that could be the charge center, Im going to leave it in operator technical support... maybe is that.

Andrei Misarca said:
Did you manage to solve your problems? I have the same battery draining problems, and found no solution (flashed a lot of roms and kernels, but the battery drain is still there)
Click to expand...
Click to collapse
No, you cannot fix that since it's a hardware issue. Bring it to technical support. If you're on warranty period be sure to clean any trace of rooting, non-official rom, etc. Mine has been sent to factory to be repaired... 3 weeks waiting...

Related

New S2 user - horrible battery performance?

I got my S2 a few days ago and flashed Cf-Root and the latest checkrom a couple of days ago. I knew battery life was a big issue with S2 so i thought i'd check how mine was performing.
I left the phone charging through the night and after unplugging the battery is down to 80% after just 5 hours. What makes things worse is that the phone has been unused for about 95% of that time. All i've done is send one SMS and flick through my settings a couple of times.
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Display being 44% is puzzling since its only been on 30 minutes at about 50% brightness. Android OS is 39% and when clicking on that it says it has been used just 22 minutes (CPU total).
I a real S2 and Android noob so i really have no idea whats going on. This cant be normal surely?
Goooober said:
I got my S2 a few days ago and flashed Cf-Root and the latest checkrom a couple of days ago. I knew battery life was a big issue with S2 so i thought i'd check how mine was performing.
I left the phone charging through the night and after unplugging the battery is down to 80% after just 5 hours. What makes things worse is that the phone has been unused for about 95% of that time. All i've done is send one SMS and flick through my settings a couple of times.
Display being 44% is puzzling since its only been on 30 minutes at about 50% brightness. Android OS is 39% and when clicking on that it says it has been used just 22 minutes (CPU total).
I a real S2 and Android noob so i really have no idea whats going on. This cant be normal surely?
Click to expand...
Click to collapse
Your display has used 44% of the power used = 20% total so your display in five hours has used about 9% of the battery .
Search all the battery posts and read them for clues .
Start with Better Battery stats thread .
better battery stats .
http://forum.xda-developers.com/showthread.php?t=1179809
You also probably have a load of stuff connecting in the background .
jje
Try siyah kernel 2.1.1 version. Its been the best for me
I've installed Better Batter Stats although i dont really know how to use it and interpret the information. I've included some random screen captures in case they're important.
Heya, I see that you have WiFi on pretty much and that's quite a battery drainer. It shifted my battery consumption from 1-3% while sleeping to a whooping 25+% (about 6-8 hours of sleep)... make sure you turn off wifi and data services when you're not actively using your phone
AJ.Rockwell said:
Heya, I see that you have WiFi on pretty much and that's quite a battery drainer. It shifted my battery consumption from 1-3% while sleeping to a whooping 25+% (about 6-8 hours of sleep)... make sure you turn off wifi and data services when you're not actively using your phone
Click to expand...
Click to collapse
Hi,
If i turn off wifi and data when not actively using my phone wont i stop receiving various updates and such? Is it normal for people to have turn off wifi and data when not using the phone?
Goooober said:
Hi,
If i turn off wifi and data when not actively using my phone wont i stop receiving various updates and such? Is it normal for people to have turn off wifi and data when not using the phone?
Click to expand...
Click to collapse
Yeah, but you can get them when you use your phone again. I can't speak for everyone but I never have wifi on while my screen is off, it wastes battery and I don't have a social life/need to keep my Internet on
Sent from my GT-I9100 using XDA App
After doing some reading one thing that may be causing this is not calibrating my battery.
When i received the phone it came without about 60% of charge so i just plugged it straight in to my PC figuring i'll let it charge to full while i play around on it. Unless i'm mistaken this was a bad thing to do?
I've downloaded Battery Calibration from the market and i'm currently waiting for the battery to charge to 100% before running it. Hopefully it'll help things.
Goooober said:
After doing some reading one thing that may be causing this is not calibrating my battery.
When i received the phone it came without about 60% of charge so i just plugged it straight in to my PC figuring i'll let it charge to full while i play around on it. Unless i'm mistaken this was a bad thing to do?
I've downloaded Battery Calibration from the market and i'm currently waiting for the battery to charge to 100% before running it. Hopefully it'll help things.
Click to expand...
Click to collapse
The best way to calibrate the battery is to actually charge to 100% (make sure the phone is off) then unplug the battery for about 90+ seconds, then plug it bin and use your phone normally until the battery is depleted to 3-7% then charge fully. BTW I HIGHLY doubt that's the PROBLEM.
Sent from my GT-I9100 using XDA App
okmijnlp said:
The best way to calibrate the battery is to actually charge to 100% (make sure the phone is off) then unplug the battery for about 90+ seconds, then plug it bin and use your phone normally until the battery is depleted to 3-7% then charge fully. BTW I HIGHLY doubt that's the PROBLEM.
Sent from my GT-I9100 using XDA App
Click to expand...
Click to collapse
So once i've calibrated the battery and find that that isn't the problem how do i go about investigating what is the problem? I'm far too much of a noob to work it myself
I'm considering flashing back to stock firmware and seeing what happens with that.
Reading numerous threads on these forums I've found out that there is absolutely no need to calibrate the battery in SGS2 with any external programs / processes. The battery calibrates and maintains itself during its lifetime (something about a controller chip being integrated inside them).
If I may recommend, flash SiyahKernel , apply the battery optimizations through CWM (install zip from sdcard), and just work normally with the phone for a few days, making sure you remove all unnecessary applications and turning off data services whenever you don't use the phone.
And if you still get about a day of battery with moderate usage, it's very good for you... the stock battery just doesnt live that long with the powerful hardware that is in the phone

charging paused, voltage too high

hello,
i have now a week long on my sgs2 every 2 minutes a message on my screen : charging paused, voltage too high.
i have flasht my phone allot but on stock rom(I9100BUKJ3) i have the same problem.
When the battery of my phone is full and I disconnect it, he keeps saying that he is connected and full.
i can't find anyhere what the solution for this is.
have somebody any idea?
sorry for my bad English.
greet beun
I got the same thing did u figure it out yet?
It started this morning when I unplug it i see the message every 2 minutes or so.
I have a feeling that it might be the battery but I don't have another to try it and I don't feel like buying a new one just to test.
Anyone know anything about it? I searched in Google for about an hour but this post was the only relevant thing about it
have you tried a different charger ? might work
Won't make a difference it gives the error when it is unplugged
Now Fx. It is nice an silent while on the charger. But when I take it out is gives the error
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same problem...
i got the same problem...
but in my device it said that massage even if the battery isn't fully charged...
I mean that when the battery is half charged and i plug off the charger the massage come up.
I tried the change my battery or charger and no differnce..
I think itws might be the kernel or something... cause I started get this massage when I subtitute my kernel...
sorry for my bad english...
sasi314 said:
but in my device it said that massage even if the battery isn't fully charged...
I mean that when the battery is half charged and i plug off the charger the massage come up.
Click to expand...
Click to collapse
i have looking in my phone, my battery voltage is on this moment +4000 mV
on the accu i read 3,7 volt.
on this moment i'm on my work,
about 4 hours im on my pc home to place some screen shots,
i also found a link about a older samsung phone with the same problem, by that person whas a chip broken, so i hope that this not the same.
sorry for my bad english
greets beun
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flashing doesn't have any sense so i'm afraid that it is a hardware problem.
i think its a battery control chip or something like that.
have somebody good experience with a situation like this?
Same problem here. It only happened when I started flashing ICS roms.
It goes away eventually, usually when i get down to about 60% charged or so. Sometimes it doesn't happen at all.
TheCarFreak said:
Same problem here. It only happened when I started flashing ICS roms.
It goes away eventually, usually when i get down to about 60% charged or so. Sometimes it doesn't happen at all.
Click to expand...
Click to collapse
Same here, although it only happens when I use the car charger... both of the car chargers cause this issue. The wall charger however is fine. I noticed it happens with the ICS leaks from sammobile.
Just started happening to me too!
Get a flashing battery icon continuously too.
Can't connect via usb mode too because it says theres a cable already connected!
Any have any ideas on what to do?
Have someone this problem to who never flasht his phone?
I think that we made the problem self by flashing wrong kernel or bootloader from a 4.0.3 maybe
Sent from my GT-I9100 using XDA App
Charge
When your phone is 100%battery then he have 4200 mv and then it decreases. its not that when battery is 0 he say - mv but.. i sugegst to you that you reboot your phone into recovery mode if you rooted, then wipe battery stats..
if nat root then download app name battery calibrator from market and then charge your phone to 100% and then click calibrate. it may improve your solution to problam. so try it.. ok man thats all i can say.. best of luck..
i sugegst that after you fix the problam hopefully you root de phone and intall checkrom hd v6 and then you install speedmod kernel. it will improve your battery time by lot i say in guarantee.. ok man so you do that..
bye then
Wiping battery stats does not make sense.
I buy today a usb jig to reset my bootloader en after that i go flash my phone to 100% stock. If this not helps i bring my phone back for repair.
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Restored my Gingerbread backup and the problem seems to have gone away.. charge icon is showing a charge without stopping. Seems like only the leaked ICS ROMs are exhibiting this problem?
I also have this message in ics but in gingerbread it does not work good. On this moment i walk with my dog and the phone says that im usb connected i think that the problem is lower than the os. Its the bootloader or hardware i think
Sent from my GT-I9100 using XDA
OK, after a few days of observing my phone I can say this:
The problem persists even in ginger bread but the error does not show, open the dialer and write *#*#4636#*#* go into battery settings and see the battery state (tested on cm7)
When the battery drops below 15% it behaves normally until charged again (however it might just be time, I drop to 15% in about 10 hours )
It seems that the mV is irrelevant, on charge it went to 4213mV and said battery state good (after the 15% drop thing) but it said over voltage at 3558mV (not in charge)
That's about all I could see, ill get a jig myself and see where that brings me, although if anyone has a spare battery to see if the problem is that or something else it would be nice to know the results
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Same problem here, started yesterday after flashing foxHound ics, reverted back to GB, as stated previously the notification goes away but the problems still there, also if i reboot my phone then the battery healths good for about 10 minutes even if the voltage is above 4000mv, but about 10 minutes later it says voltage too high even when its lower at about 3800.
Flashed another rom and its been alright for about 6 hours, will test a bit more and post back.
Just a heads up guys, the issue returned even on GB so i flashed back ics, took out my battery cleaned the usb port with rubbing alcohol and compressed air, put the battery back in and now alls fine charged to 100% no issues drained it overnight watching movies and charged it again to 100% no issues. Not sure if it was the ics rom that fixed it or the cleaning. anyhow seems to be fine now
Hmm sounds good, but just to be sure, type this in the dialer *#*#4636#*#* and in the battery menu look at battery health, and what from are you on? Really hope that it fixes it
Sent from my GT-I9100 using XDA
I used de command and battery status : blinks (charging -Discharging ) .. I cant tun off my phone, it boot alone again :S
My Sgs2 was ok, but I charged it for 1 day.. and the problem appear. Help plz

Battery Issues

So I dont know whats going on but when I ran stock it was great! When I loaded surom it was still decent and great. But havent reset or anything in awhile, But Battery just seems to suck. Unplugged it this morning and about 1 hour later already at 83%! Only sent 4 texts and it brought it down that low. And that was in the middle of town with full bars on 3G. its been like this for about 2 weeks now Im not running the latest surrom cause I dont like the status bar framework change look to it so never upgraded it. I ran CPU spy and below is the screen shot of it being left on over night and such. But any idea? could it just be the battery sucking itself? or is it the phone doing it?
Also yesterday I plugged it up at 54& around 3:25pm yesterday. At 7pm it was only at 85% when I unplugged it! I was using a Sony Eccerison Charger but it was 1amp or whatever ive always used that charger when at this location without a problem.
And I don`t belive it is a app either.
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How are you unplugging the phone after a charge? It's been proven that if you do NOT wake the phone up, unlock it THEN remove the charging source, it'll drain battery faster due to NOT getting into deep sleep while on standby. I see at some point it shows it was in deep sleep but maybe not after your latest charge cycle.
Maybe this could be your issue?
Sent from my SAMSUNG-SGH-I717 using XDA
dakleenupman said:
How are you unplugging the phone after a charge? It's been proven that if you do NOT wake the phone up, unlock it THEN remove the charging source, it'll drain battery faster due to NOT getting into deep sleep while on standby. I see at some point it shows it was in deep sleep but maybe not after your latest charge cycle.
Maybe this could be your issue?
Sent from my SAMSUNG-SGH-I717 using XDA
Click to expand...
Click to collapse
No I dont think its that as I usually do that anyway
I had terrible battery on everything. Currently I am running Saurom using Juice Defender with a custom setup. I also turn on the phone and unplug and get great standby time. There is a thread on setting up JD in themes and apps, at least I think its in that forum. Check it out.
Sent from my SAMSUNG-SGH-I717 using XDA
Well i just tried the whole unplugging thing, and at least with Saurom, it appears as though it goes into deep sleep regardless of the unplugging steps...!
Sent from my SAMSUNG-SGH-I717 using XDA
hyelton said:
So I dont know whats going on but when I ran stock it was great! When I loaded surom it was still decent and great. But havent reset or anything in awhile, But Battery just seems to suck. Unplugged it this morning and about 1 hour later already at 83%! Only sent 4 texts and it brought it down that low. And that was in the middle of town with full bars on 3G. its been like this for about 2 weeks now Im not running the latest surrom cause I dont like the status bar framework change look to it so never upgraded it. I ran CPU spy and below is the screen shot of it being left on over night and such. But any idea? could it just be the battery sucking itself? or is it the phone doing it?
Also yesterday I plugged it up at 54& around 3:25pm yesterday. At 7pm it was only at 85% when I unplugged it! I was using a Sony Eccerison Charger but it was 1amp or whatever ive always used that charger when at this location without a problem.
And I don`t belive it is a app either.
Click to expand...
Click to collapse
You might want to check what version of kernel you have
Sent from my SAMSUNG-SGH-I717 using XDA
COA4178 said:
You might want to check what version of kernel you have
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Click to expand...
Click to collapse
Under status it says Unavalibble?? which one can a flash that will work with this rom??
Okay happened again. Fully charged earlier not to bad. From 100% to 68% of maybe 10 min phone ccall and 20 min online radio in 1 hour and 35 mmin already 68%
What kernal should iI use with this T
Rom. I'm also underclocked now to see if it would help and it's not
I would try and flash one. But last time I had to do a wipe ccause my phone would be in a constant loop
Sent from my SGH-I717R using xda premium
If it says unavailable then it is my kernel. It would have said at the bottom of cpuspy. You can try flashing dag 's kernel, but i doubt that it is the issue as mine is a fork of his with only the touch fix added.
If you try flashing any kernels be sure to have dagr8 's kernel fix as you will need to flash it following flashing a kernel.
Sent from my SAMSUNG-SGH-I717 using XDA
hololight said:
If it says unavailable then it is my kernel. It would have said at the bottom of cpuspy. You can try flashing dag 's kernel, but i doubt that it is the issue as mine is a fork of his with only the touch fix added.
If you try flashing any kernels be sure to have dagr8 's kernel fix as you will need to flash it following flashing a kernel.
Sent from my SAMSUNG-SGH-I717 using XDA
Click to expand...
Click to collapse
Oh okay. Any other reason that would cause this:/ Its horrible an hour and half usage takes half my battery
There has to be a rogue app at play. There is a "known battery drainers" thread in the gs2 section. Review those. Also download better battery stats and use it to identify the rogue app
Stay thirsty my friends
TOA Duck said:
There has to be a rogue app at play. There is a "known battery drainers" thread in the gs2 section. Review those. Also download better battery stats and use it to identify the rogue app
Stay thirsty my friends
Click to expand...
Click to collapse
Already did. The Highest thing is Phone and Messaging. Which is BOTH stock
hyelton said:
Already did. The Highest thing is Phone and Messaging. Which is BOTH stock
Click to expand...
Click to collapse
Have you checked cpu spy to see if it's going into deep sleep.
Stay thirsty my friends
See screenshot. Not really mostly staying at 385mhz or whatever
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hyelton said:
See screenshot. Not really mostly staying at 385mhz or whatever
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Click to expand...
Click to collapse
Try these steps:
1. Turn off wifi + data (uncheck use packet data to turn off data).
2. Install Better Battery Stats.
3. Charge your phone to full. Wait for it to tell you to remove charger, then unplug your phone.
4. Open CPUSpy and reset timers.
5. Turn screen off, and let it sit for an hour.
6. Refresh CPUSpy and check the percentage of time it is in deep sleep, and check battery level. Normal deep sleep time should be 95-98%
7. If battery drops by more than 2% and/or your phone isn't going to deep sleep, then check Better Battery Stats for partial wakelocks and kernel wakelocks and report back.
Will do in the morning.
Sent from my SGH-I717R using xda premium
hololight said:
If it says unavailable then it is my kernel. It would have said at the bottom of cpuspy. You can try flashing dag 's kernel, but i doubt that it is the issue as mine is a fork of his with only the touch fix added.
If you try flashing any kernels be sure to have dagr8 's kernel fix as you will need to flash it following flashing a kernel.
Sent from my SAMSUNG-SGH-I717 using XDA
Click to expand...
Click to collapse
For what it's worth, I flashed your kernel on my stock ROM and had HORRIBLE battery life. It almost never went into deep sleep at all. if the OP has your kernel then this is definitely the problem.
last night I reset my phone and loaded ICS UCLC5 or whatever
Well my phone wouldnt EVER go into deep sleep.
Time Unplugged 1 hour and 36 min
Time in 384MHZ 1 Hour and 34min.
And this is with NOTHING AT ALL INSTALLED!
so whats going on? Different kernal and rom
also battery is only at 98& but why during that entire time my phone was running at 384???
ASLO betterybattery stats says awake time is 1Hour and 34 min as well
hyelton said:
last night I reset my phone and loaded ICS UCLC5 or whatever
Well my phone wouldnt EVER go into deep sleep.
Time Unplugged 1 hour and 36 min
Time in 384MHZ 1 Hour and 34min.
And this is with NOTHING AT ALL INSTALLED!
so whats going on? Different kernal and rom
also battery is only at 98& but why during that entire time my phone was running at 384???
ASLO betterybattery stats says awake time is 1Hour and 34 min as well
Click to expand...
Click to collapse
My phone had deep sleep and battery drain issues with ICS ROM too.
Do yourself a favor and install the stock ROM, stock modem, and do a factory reset. Then install CPUSpy and give it a go.
Also, charging from a USB based power source will cause the phone to not deep sleep. You have to reboot after a USB based charge before it will deep sleep.
EvoXOhio said:
My phone had deep sleep and battery drain issues with ICS ROM too.
Do yourself a favor and install the stock ROM, stock modem, and do a factory reset. Then install CPUSpy and give it a go.
Also, charging from a USB based power source will cause the phone to not deep sleep. You have to reboot after a USB based charge before it will deep sleep.
Click to expand...
Click to collapse
I never charge via USB hate it lol

[Q] Deep sleep not deep enough?

I have i9205 for 1.5 week. I rooted it after a few hours I have it. I was in rooted + official rom for a week. Then I flashed Cassies XtraLiteROM to it a few days ago. XtraLiteROM is based on official stripped down to minimum plus some tweaks.
My observation of battery drop during the night (wifi/3g/gps/bluetooth all off) is indistinguishable between the official rom and XtraLiteROM. About 10%-12% drop during the 8-hour sleep.
I greenified facebook app and a few others that I think works in the background. I tried to invoke Wakelock detector, hoping to find something. It appeared normal and said 8-hour deep sleep. The battery level falls continuously and smoothly during the sleep with hardly any wakeup.
Is it common with 4.2.2? I have another LG L9 rooted with 4.1.2. The drop during the night is 1%-2%.
I left my mega all stock. No root or any modifications and when i go to bed i put it in flightmode and it loses about 1% or 2% in those 8 hours just like your LG
Sent from my GT-I9205 using xda app-developers app
SquirtingCherry said:
I left my mega all stock. No root or any modifications and when i go to bed i put it in flightmode and it loses about 1% or 2% in those 8 hours just like your LG
Click to expand...
Click to collapse
One thing I have not tried is put it in flight mode. Thanks. I will give it a shot.
SquirtingCherry said:
I left my mega all stock. No root or any modifications and when i go to bed i put it in flightmode and it loses about 1% or 2% in those 8 hours just like your LG
Sent from my GT-I9205 using xda app-developers app
Click to expand...
Click to collapse
I'm also having the same battery drain problems since the first day I bought Mega 6.3. I have tried different ROM versions UAMEA,ED,F2,G3 and now the latest G4 but still having the same problem. Today I lost 3% in a matter of 1.5hours without even doing anything on my phone within those times. Flightmode technique you mentioned seems to be good but the problem is we may not be able to receive emergency or urgent calls/text while asleep. I was hoping samsung would address this drain bug.
jtrakx said:
I'm also having the same battery drain problems since the first day I bought Mega 6.3. I have tried different ROM versions UAMEA,ED,F2,G3 and now the latest G4 but still having the same problem. Today I lost 3% in a matter of 1.5hours without even doing anything on my phone within those times. Flightmode technique you mentioned seems to be good but the problem is we may not be able to receive emergency or urgent calls/text while asleep. I was hoping samsung would address this drain bug.
Click to expand...
Click to collapse
how is samsung responsible for you installing something on your phone that eats you battery?
baladev said:
how is samsung responsible for you installing something on your phone that eats you battery?
Click to expand...
Click to collapse
But the problem seems to be present even if you don't install anything else than what is supplied !!
I don't understand what's going on with the battery:
one day you put the phone in arplane mode and for 10 hours you eat 1% of the battery :good:
The next day without changing anything you eat 10% in the same conditions WTF !!
As far I can see it seems that there is a problem with the release 4.2 (problem also for the Galaxy S4).!!
In another forum i participate, some people had similar issues, they had been harrowed down to some programs they were running. some people had Mega synchronise their photos every time they connected to the internet others had some other crap going on. if it was a firmware issue, everyone would have it. i, for example don't have this problem. you can try to use Disable service program to see which services are active in the background and are eating your battery and stop them carefully.
baladev said:
In another forum i participate, some people had similar issues, they had been harrowed down to some programs they were running. some people had Mega synchronise their photos every time they connected to the internet others had some other crap going on. if it was a firmware issue, everyone would have it. i, for example don't have this problem. you can try to use Disable service program to see which services are active in the background and are eating your battery and stop them carefully.
Click to expand...
Click to collapse
For example phone in airplane mode everything off (air view, NFC, GPS, synch off etc):
From yesterday 23.00 till morning 09.00 lost 11%
From 09.00 till 14:00 lost 4%
From 14.00 till now (23.00) lost 3%
Without touching the phone !!
Don't tell me me there is not something strange !!
Tilagoon said:
For example phone in airplane mode everything off (air view, NFC, GPS, synch off etc):
From yesterday 23.00 till morning 09.00 lost 11%
From 09.00 till 14:00 lost 4%
From 14.00 till now (23.00) lost 3%
Without touching the phone !!
Don't tell me me there is not something strange !!
Click to expand...
Click to collapse
what? are you talking to me? have you read my post? Where did i say there is no reason for such behaviour? i said - try to find the reason and it's not the firmware it's something installed on your phone doing that.
baladev said:
how is samsung responsible for you installing something on your phone that eats you battery?
Click to expand...
Click to collapse
You've got me all wrong. I'm talking about installing stock ROM (latest version) without any modification i.e. root, cwm, etc and no other apps
installed except samsung built-in apps but still battery drains like hell overnight with almost everything turned-off (wifi, bluetooth, gps, rotation sensor, etc.). So your question is a little bit off topic.
jtrakx said:
You've got me all wrong. I'm talking about installing stock ROM (latest version) without any modification i.e. root, cwm, etc and no other apps
installed except samsung built-in apps but still battery drains like hell overnight with almost everything turned-off (wifi, bluetooth, gps, rotation sensor, etc.). So your question is a little bit off topic.
Click to expand...
Click to collapse
No, not really, because the stock rom is full of bloatware from samsung. I've read reports from other people saying that their camera software or galery or something else, don't remember exactly was uploading their photos to their cloud storage whenever they connected to internet. A lot of stuff can be happening in the background in the stock samsung rom because it's got a lot of stuff in it + the default settings alow synch/backup/downloading updates. Install the light custom rom from this forum, that has everything removed and see how it behaves, alternatively you can use other programs (mentioned one above) to see what's active in the memory of your device and find what's eating your battery.
baladev said:
No, not really, because the stock rom is full of bloatware from samsung. I've read reports from other people saying that their camera software or galery or something else, don't remember exactly was uploading their photos to their cloud storage whenever they connected to internet. A lot of stuff can be happening in the background in the stock samsung rom because it's got a lot of stuff in it + the default settings alow synch/backup/downloading updates. Install the light custom rom from this forum, that has everything removed and see how it behaves, alternatively you can use other programs (mentioned one above) to see what's active in the memory of your device and find what's eating your battery.
Click to expand...
Click to collapse
Ok thanks. I will try silentlight tonight. By the way, I received updates of samsung link from playstore these past few hours and among the reason
for update was the battery drain. Also, I'm using an official S View flip cover from samsung. I was wondering whether there is some sort of sensor activated by this flipcase that keeps my mega from deepsleep.
jtrakx said:
Ok thanks. I will try silentlight tonight. By the way, I received updates of samsung link from playstore these past few hours and among the reason
for update was the battery drain. Also, I'm using an official S View flip cover from samsung. I was wondering whether there is some sort of sensor activated by this flipcase that keeps my mega from deepsleep.
Click to expand...
Click to collapse
Have a look here, one more idea for you - http://forum.xda-developers.com/showthread.php?p=44428107#post44428107
My battery drain problem appears to be related to "cell standby".
If I charge the phone to battery full, unplug, reboot, screen off, data off and leave it to stand by for a night. "Cell standby" alone takes up most battery usage and battery level drops by ~10%. I can constantly repeat that. I think more users are having a problem with radio.
Reference: http://forum.xda-developers.com/showthread.php?t=2335242
I am trying to disable fast dormancy to see if that helps slow down cell standby drain.
I have to come back @ my comment on the previous page, since today my phone went battery hungry too at night. left it in flight mode during the night as usual but instead of losing 1 or 2% it consumed 12%.
Very strange since the phone should be absolutly doing nothing at all when its locked and in flight mode.
It's not really a problem since im a fairly moderate to light user so i can do 2 days on 1 charge but still.
I also have a strange wake-up problem now, after using the phone a bit and when i press power to lock it, sometimes the screen lights up again after about 5 seconds and goes off again.
I feel worse than it actually is when I feel like robbed 10% of power everyday for no reason. Maybe I was too picky. I have not given up on this. Will continue to look for a solution.
same **** here, today is even worst, 8 hours of phone not doing anything. deep sleeping is at 92% according to BBS, and my battery dropped from 75% to 61%, wonder wat is happening with my phone. damn!
Try this
Sorry. Very bad know English. Solved the problem of the so-
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
Now 1% per night.
Yes. Map.
I think that's Maps > Settings > Google location settings > uncheck Access location.
I don't have the battery drain problem but I'll try that. Thanks.

[Q] battery problem

Hello,
So i bought the G2 mini last week and i am a bit disappointed by the battery life. i can't go more than 4-5 hours of screen on time.
The problem ist that "Android OS" and "Android system" are each draining about 19-20% of the battery. Even after a factory recet it is the same.
On the phones i had before these two were about 10 % TOGETHER.
So does anyone know if it's normal?
Thanks in advance
I have same problem.
Did you tried to look what apps is draining your battery ?
It happens without any apps on the phone. Just after reset. So either it is normal or it is a bug on the phone. But i think it is getting better know. I can get average of 6 hours screen on now. But still not normal i think
I have a similar problem. Bought my G2 mini three weeks ago. Seemed good battery life to begin with. Now, intermittently, it's draining up to 2% an hour in idle (just syncing a not-much-used email account over wifi). It's Android OS which is using up the battery, not apps, according to Android's battery information. And it even did this a bit when I tried in safe mode. But sometimes it works great, with very low battery drain. I did a factory reset last night, and the battery drain has been only 3% in five hours. But I'm not sure I trust that it will stay this way. I have a week to decide whether to return it!
(This is the second problem I've had with the phone. Until a few days ago, it would be using 10-20Mb of data a day, which is a big deal when you have a 500Mb contract. Again, it was Android OS that was using up the vast bulk of this data, not me. This behaviour seems to have calmed down a bit in the last few days.)
Analyƶing your Prôblém.
You said:
harnisevic said:
Hello,
So i bought the G2 mini last week and i am a bit disappointed by the battery life. i can't go more than 4-5 hours of screen on time.
The problem ist that "Android OS" and "Android system" are each draining about 19-20% of the battery. Even after a factory recet it is the same.
On the phones i had before these two were about 10 % TOGETHER.
So does anyone know if it's normal?
Thanks in advance
Click to expand...
Click to collapse
Which Android-Version does it have
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
If it is 4.4.2, then that could be the reason!
Google Built a Bug into 4.4.2!
Hmmmm. let's see on GSMArena. [LINK]
Oh, no! How Horrible!
---------- Post added at 15:32 ---------- Previous post was at 15:31 ----------
The Bug is: AndroidOS-Process eats up your battery.
Mine is 4.4.2.
What's the bug? I haven't been able to find anything about it. And I can't see anything on the GSM Arena page you linked to. Is it a general bug in 4.4.2, or specific to the G2 mini?
Thanks!
peejay2000 said:
I have a similar problem. Bought my G2 mini three weeks ago. Seemed good battery life to begin with. Now, intermittently, it's draining up to 2% an hour in idle (just syncing a not-much-used email account over wifi). It's Android OS which is using up the battery, not apps, according to Android's battery information. And it even did this a bit when I tried in safe mode. But sometimes it works great, with very low battery drain. I did a factory reset last night, and the battery drain has been only 3% in five hours. But I'm not sure I trust that it will stay this way. I have a week to decide whether to return it!
(This is the second problem I've had with the phone. Until a few days ago, it would be using 10-20Mb of data a day, which is a big deal when you have a 500Mb contract. Again, it was Android OS that was using up the vast bulk of this data, not me. This behaviour seems to have calmed down a bit in the last few days.)
Click to expand...
Click to collapse
As for data drain, just disable data when you don't use it
Sent from my D620R [Stock 4.4.2]
i have the same problem when i use 3g/4g, the battery is dying in 3 hours D)
sorry for my english
System_F said:
i have the same problem when i use 3g/4g, the battery is dying in 3 hours D)
sorry for my english
Click to expand...
Click to collapse
3G/4G is very battery-hungry.
Sent from my D620R [Stock 4.4.2]
System_F said:
i have the same problem when i use 3g/4g, the battery is dying in 3 hours D)
sorry for my english
Click to expand...
Click to collapse
Vagelis1608 said:
3G/4G is very battery-hungry.
Sent from my D620R [Stock 4.4.2]
Click to expand...
Click to collapse
Battery drain is not for 3g or 4g power consumition. If 2400 mah die with 3g in three hours, what about moto g or other phones...
The problem is fast dormancy. I desactivate it. If you want i can make a tutorial.
With 100% 3g and fast dormancy battery last 12 hours with 1h 30 screen.
With 100% 3g without fast dormancy battery last 48 hs with 4h screen.
Oh rats, this is the 4.4.2 camera bug, isn't it? Only for Qualcomm devices? I did actually know about that bug, and then forgot about it again, and then bought a device with 4.4.2 and a Qualcomm processor. Dammit.
If so workarounds might be: when you use the camera, pay attention to the battery drain afterwards, in case it has activated the bug. If there's a drain, reboot. Turn off the "Smart screen" and "Smart video" settings, since having them on would also activate the camera, which could also trigger the bug. I had those "Smart" settings on until yesterday, so maybe that's what was causing the problem for me.
And in the meantime, cross fingers that LG will upgrade us to 4.4.3 or, preferably, Android L, thereby squashing the bug.
peejay2000 said:
Oh rats, this is the 4.4.2 camera bug, isn't it? Only for Qualcomm devices? I did actually know about that bug, and then forgot about it again, and then bought a device with 4.4.2 and a Qualcomm processor. Dammit.
If so workarounds might be: when you use the camera, pay attention to the battery drain afterwards, in case it has activated the bug. If there's a drain, reboot. Turn off the "Smart screen" and "Smart video" settings, since having them on would also activate the camera, which could also trigger the bug. I had those "Smart" settings on until yesterday, so maybe that's what was causing the problem for me.
And in the meantime, cross fingers that LG will upgrade us to 4.4.3 or, preferably, Android L, thereby squashing the bug.
Click to expand...
Click to collapse
LG had patched that........
3G/4G is very much the reason of all battery drain on my device, today I've gotten alright battery stats with no data connection except for WiFi, haven't deactivated anything but data and used my phone for a lot of youtube/browsing/ chatting. So I believe if you cannot go above 5 hours of onscreen, it's properly due to high usage of camera, or data and WiFi running when not in use
Sent from my LG-D620 using XDA Free mobile app
nch26 said:
LG had patched that........
Click to expand...
Click to collapse
Oh. If they've patched it, and mine still isn't working properly, that makes me anxious. How do I tell if mine has been patched? Here's my software info...
peejay2000 said:
Oh. If they've patched it, and mine still isn't working properly, that makes me anxious. How do I tell if mine has been patched? Here's my software info...
Click to expand...
Click to collapse
I never had that issue after using camera. You need to check if the process is starting on setting/battery. (That will not start because LG has patched that at least on my country, because I never have that)
I don't know what's going on. Today I didn't use the camera, and the battery seemed fine, and then I took a photo, and it started draining at 1-2% per hour again, so that made me think I'd found the problem. But then I hear it's patched, and anyway if it's the classic 4.4.2 camera bug, it should show up as mm-qcamera_daemon being the process using all the battery, and it doesn't, it showing Android OS doing so. I feel like I'm back at square one, not knowing what the problem is or how to workaround it, and thinking I have to send my new phone back...
peejay2000 said:
I don't know what's going on. Today I didn't use the camera, and the battery seemed fine, and then I took a photo, and it started draining at 1-2% per hour again, so that made me think I'd found the problem. But then I hear it's patched, and anyway if it's the classic 4.4.2 camera bug, it should show up as mm-qcamera_daemon being the process using all the battery, and it doesn't, it showing Android OS doing so. I feel like I'm back at square one, not knowing what the problem is or how to workaround it, and thinking I have to send my new phone back...
Click to expand...
Click to collapse
Your problem is fast dormancy for sure. I told you that a few post back..
LG comes with fast dormancy activated by default for all operators and some of them dont have fast dormancy so make a fast 3G battery drain. If you drain 2% of battery in a hour with wi fi you can install battery stats and see what app is eating your battery.
I get intermittent battery drain with either 3G or wifi.
But if you could tell me how to change the fast dormancy settings, I could give it a try.
Also, not convinced that it's an app draining battery on wifi. According to Android, it's Android OS, not an app. Or is the Android battery information so not reliable? In that case, can you recommend a battery monitor app?
Thanks.
peejay2000 said:
I get intermittent battery drain with either 3G or wifi.
But if you could tell me how to change the fast dormancy settings, I could give it a try.
Also, not convinced that it's an app draining battery on wifi. According to Android, it's Android OS, not an app. Or is the Android battery information so not reliable? In that case, can you recommend a battery monitor app?
Thanks.
Click to expand...
Click to collapse
When Android operating system is draining your battery, is an app on the backgrpuns. You can use better battery stats. Just search in google and will apear.
If Android OS is draining, its common i also have 10% of drain because of that. But it dont drain too much so you dont have to worry. My xperia m2 says android os 60% when idle, but battery drains normal so just dont worry. If you feel a big battery drain use your phine to 100% to 10% and give a sctrenshot of battery graph.
Press thanks button, you are welcome.

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