New S2 user - horrible battery performance? - Galaxy S II Q&A, Help & Troubleshooting

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

Related

Sudden battery loss after crash

I was playing a game when my phone crashed and locked up. I had to restart my phone and upon restarting my battery is now at 20%. My battery was originally at 85% and I was playing the game for less than 5 minutes. Why did I lose so much battery power in such a short time and is it harmful for my battery? The name of the game is E Warrior
Firepac said:
I was playing a game when my phone crashed and locked up. I had to restart my phone and upon restarting my battery is now at 20%. My battery was originally at 85% and I was playing the game for less than 5 minutes. Why did I lose so much battery power in such a short time and is it harmful for my battery? The name of the game is E Warrior
Click to expand...
Click to collapse
Your battery did not actually lose all that at once, all that happened is either a change in the way battery fuel gauge is bring reported or a corruption of the battery stats being kept.
Either way a couple charge cycles and the gauge reporting will get back on track.
Sent from my SAMSUNG-SGH-I777 using XDA App
dayv said:
Your battery did not actually lose all that at once, all that happened is either a change in the way battery fuel gauge is bring reported or a corruption of the battery stats being kept.
Either way a couple charge cycles and the gauge reporting will get back on track.
Sent from my SAMSUNG-SGH-I777 using XDA App
Click to expand...
Click to collapse
Not even a couple of charge cycles. The fuelgauge should "converge" within 1-2 hours. To make it converge faster:
Turn off phone
Pull battery for 5-10 minutes to put it in a "relaxed" state (no recent heavy charge/discharge)
Put it back in and power on
Also, what was the raw battery voltage? It's impossible to tell whether 85% was a false-high or 20% was a false-low without knowing the raw voltage.
I have left my sgs off for a few hours now and it hasn't made a difference. I just got home and plugged it into the charger and I will wait and see what happens...
I've had the same thing happen to me this morning.
Phone was Idle, full after being charged overnight.
I was checking the web to make sure I had all my ducks in a row before
loading up the Unammed 1.04 ROM.
Tried to wake up the phone, nothing.
Tried holding the power button a little longer, nothing.
I plugged it in and tried holding it longer yet, finally.
Phone crashed itself but hard.
Woke it back up with a heavy dent in the available battery.
Dropped something like 60% over the course of an hour or less?
I was just about to panic.
Added some more juice, while I made my backups and copied in the new ROM.
I'm not sure what that was all about.
I've had this happen recently...
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I had this happen once. I plugged it in after the battery level plunged some 50% after an app crash. But as soon as I plugged it in, it seemed like it started correcting itself. The charge level would go up by a couple of % points every minute and converged to the right value within an hour or two.
Sent from my SAMSUNG-SGH-I777 using XDA App
Happened to me last night. Went from 30% to 12% after a crash/restart. You can see the small bit of red on the right.
So does anyone know for sure if the battery actually drained that fast or is it some kind of glitch?
Firepac said:
So does anyone know for sure if the battery actually drained that fast or is it some kind of glitch?
Click to expand...
Click to collapse
It is not physically possible for the battery to drain that much that fast. Now in an extreme battery failure you could lose that much capacity, but that were happening your battery would be pretty much shot. don't worry that is not happening to you.
The fuel gauge reporting just got reset and if it was off before it will be closer now. If it is off now, it will work itself back out very shortly on its own.
Sent from my SAMSUNG-SGH-I777 using XDA App
I would agree with the above. It was annoying but I'm not yet very.concerned. if it happens again or becomes a regular thing then I'm going to be a bit annoyed.
I got my sgs2 2 weeks ago, today I noticed something weird:
I unplugged my phone at 9:15am (100% battery), and at 2:45pm it was at 10%. I am not sure why it died that fast.
I am using some app's which need to be synchronized, but I dont think they can cause this. (FB, Email, Weather). please advice.
How about this usage after installing a new Rom and a theme.
I do think it's the theme I have applied, but it gets too hot too even not being used. I'm not sure what the Rom is, I am using the one the phone comes with.
My phone did this last night for the first time, Ive been catching dolphin browser using a lot of resources. I forgot to kill it last night, battery dropped 50% in 2hrs.
I have removed the theme I had applied and it came to normal already. But I am concerned why it did happen, is it not supposed to support themes like GoLauncher?
Only worry if the problem persisted. Use the battery then charge it full. You likely won't have any issues.
Sent from my páhhōniē
gadget069 said:
My phone did this last night for the first time, Ive been catching dolphin browser using a lot of resources. I forgot to kill it last night, battery dropped 50% in 2hrs.
Click to expand...
Click to collapse
I noticed the same thing with Dolphin browser and if you go into settings and activate the Google or Facebook accounts to be used in conjunction with Dolphin that it will put your phone into overdrive and heat it and drain the battery in about 3+ hours...So I would avoid using this if you like using your phone the whole day!
gr8hairy1 said:
Only worry if the problem persisted. Use the battery then charge it full. You likely won't have any issues.
Sent from my páhhōniē
Click to expand...
Click to collapse
Is expected to have the phone hot during charging? I am charging it now and it is getting hot even though I am not using it. I am really worried about this.
Please let me know if this is a normal behavior or if it's not.
gacuna said:
Is expected to have the phone hot during charging? I am charging it now and it is getting hot even though I am not using it. I am really worried about this.
Please let me know if this is a normal behavior or if it's not.
Click to expand...
Click to collapse
There's already threads discussing safe charging temps. 50°+ celcius is bad and 70° is deadly to the battery. Phone can handle much more. Download a battery temperature app.
Sent from my páhhōniē

Samsung Galaxy S2 Battery Life not good

Hi, this issue is specific to my NON-ROOTED Samsung Galaxy S2. I have seen other simsilar issues for other phones and they don't seem to help. My Battery doesn't seem to last more than a few hours. No more than 5-8 and it's dead. I turned off the Data and wi-fi. I set my Wallpaper to a Black background. It just sits on the desk and after a few hours it's almost dead...
What can I do to fix this?
Rooting is not an option at the moment.. I'm still reading and learning about it as I don't want to create a paperweight and/or void my warranty...
No offence mate but for a start you can search the forum and you will literally find dozens of threads on the very same subject which have been posted on here over the last few months.
Search and you'll find the answers your looking for, a tip freeze the Samsung bloatware in Titanium Backup and your battery life will improve substantially, there are many other methods to improve battery life you can find them yourself.
I get over a full day on heavy usage...
No offense taken, but most point to Rooting my phone...This is not an option for me at this time....I'll look some more, I guess...
Homeuser66 said:
No offense taken, but most point to Rooting my phone...This is not an option for me at this time....I'll look some more, I guess...
Click to expand...
Click to collapse
Oh right well then your options are limited if your not going to root your phone as regards battery life.
jonny68 said:
Oh right well then your options are limited if your not going to root your phone as regards battery life.
Click to expand...
Click to collapse
I know...that's why I posted, but I should have said that in my original post...I'll edit it....but I did find something that I will try when I can..Phone is charging in a wall outlet right now, and I don't want to unplug it. lol...I do thank you for your effort and understanding...
I have unrooted phone and get around 17-20 hours heavy usage.
I would suggest you flash a 2.3.5 Rom via Odin as they seem to have better battery management if you haven't done so
http://forum.xda-developers.com/showthread.php?t=1075278
you dont need to be rooted to flash new roms via odin
Also advisable to charge battery till full then use till its like 1% then recharge full and so on to calibrate it a bit.
Rogue apps can eat your battery life as well so If you can afford it do a full wipe and reset if you can and see if it makes a difference.
tfn said:
I have unrooted phone and get around 17-20 hours heavy usage.
I would suggest you flash a 2.3.5 Rom via Odin as they seem to have better battery management if you haven't done so
http://forum.xda-developers.com/showthread.php?t=1075278
you dont need to be rooted to flash new roms via odin
Also advisable to charge battery till full then use till its like 1% then recharge full and so on to calibrate it a bit.
Rogue apps can eat your battery life as well so If you can afford it do a full wipe and reset if you can and see if it makes a difference.
Click to expand...
Click to collapse
Looking into this one. Thanks!
I just wipped it to "
Out of the Box" state Tues night..only installed 25 apps :
APPS
Adobe Flash player 11.1
Angry Birds
Angry Birds RIO
Angry Birds Seasons
Books
Calendar Quick Add
Calendar Snooze
Facebook
Gmail
Hangman Classic
Keeper
Key Ring
Market
MyFitnessPal
Pool Master Pro
Solitaire
Tic Tac Toe Free
Visual Voicemail
WordSearch
all for my wife....she dont have data plan..
If her wifi is on and its constanly looking for wifi, will that be the cause? i just told her to turn that off.
What is a Rogue?
Chat applications like Google Talk or Facebook (if you go into Chat) tend to drain battery.
Sent from my GT-I9100 using XDA App
i have the same problem with s i9100 and when connect using my galaxy the battery charged very slowly but charged very quick in galaxy s
the battery in s i9000 more better
You guys need to give more information if you really want decent assistance, there is an app called better battery stats, you want to look at your partial wakelocks section in that particular app, go get it either on this forum or in the Market, post screenshots of your battery graph in Settings>About Phone>Battery Usage and click on the time, also a screenshot of your partial wakelocks will reveal the issue 90% of the time
Also, there is no need to root your phone to achieve good battery life, unless it is found that a system app may be the cause of the poor battery which is hardly ever the case, anyone who points you to rooting to get good battery life has very limited knowledge of android and what is the cause of poor battery life...
Usually downloaded apps and user settings are the cause of poor battery, there is absolutely no need to root to be able to fix those problems.....
I noticed this one too...My stock DXI2 room tend to be a battery hogger and the display consumes around 60% of my entire battery life...
agreed I'm getting nigh on 2 days battery life nowadays maybe one and a half of moderate to high usage! certainly don't need to root and install a new ROM.
sent from t'internet
achillies400 said:
You guys need to give more information if you really want decent assistance, there is an app called better battery stats, you want to look at your partial wakelocks section in that particular app, go get it either on this forum or in the Market, post screenshots of your battery graph in Settings>About Phone>Battery Usage and click on the time, also a screenshot of your partial wakelocks will reveal the issue 90% of the time
Also, there is no need to root your phone to achieve good battery life, unless it is found that a system app may be the cause of the poor battery which is hardly ever the case, anyone who points you to rooting to get good battery life has very limited knowledge of android and what is the cause of poor battery life...
Usually downloaded apps and user settings are the cause of poor battery, there is absolutely no need to root to be able to fix those problems.....
Click to expand...
Click to collapse
Ok, so I am attaching my screen shots for you to look at..There are 2 of them, as I can't figure out how to take a scrolling screen shot, which I don't think there is a way...but I'm still in the learning process...lol
These were taken at 2am EST after a full battery charge...It says 22 hrs on the top...I'll be lucky if I get 6...
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The time is now, 10:15 am EST. I have turned off GPS. Force Stopped Solitare (Wife likes to play that)and it says: 4h 52m 35s on battery..not sure how to read this? Is this how long it's been on? or that I have battery left?
Display 49%
Cell standby 15
Phone idle 10
Android 8
Clock 5
Android system 4
Messaging 2
Calendar 2
The reset 2
that's the length of time since it's been unplugged.
sent from t'internet
jr866gooner said:
that's the length of time since it's been unplugged.
sent from t'internet
Click to expand...
Click to collapse
Ohhh,, good to know
Homeuser66 said:
Ok, so I am attaching my screen shots for you to look at..There are 2 of them, as I can't figure out how to take a scrolling screen shot, which I don't think there is a way...but I'm still in the learning process...lol
The time is now, 10:15 am EST. I have turned off GPS. Force Stopped Solitare (Wife likes to play that)and it says: 4h 52m 35s on battery..not sure how to read this? Is this how long it's been on? or that I have battery left?
Display 49%
Cell standby 15
Phone idle 10
Android 8
Clock 5
Android system 4
Messaging 2
Calendar 2
The reset 2
Click to expand...
Click to collapse
Charge your phone fully and use it as you would normally, the screenshots you provided doesn't show much, what you have to do is click on the very top where it says 22h 52m, that would take you to another shot that shows your "screen on" time in a linear graph just below "Awake" time, that's the screen that would tell us if you are having wakelocks.
Secondly, get better battery stats from the market or from this link here then set the display options to "Partial Wakelocks" "since unplugged", remember you do this after using your phone normally from 100% to 50%, this should be able to give us some insight into what is eating your battery, it may be better to let the phone sleep as much as possible, but I know it's pretty hard to leave the device alone......
You should definitely try better battery stats app. It helped me to identify the app that kept my phone awake continuosly. My battery life increased from 8-9 hrs to 15-17 hrs after uninstalling that app. I even bought the paid version from market after that. Must have app!!! Give it a shot. Its free for XDA users. But if it helps you then please do consider buying it to support the developer.
yup. My SGSII is on KJ3 stock & I get easily around 1 day & 16-17 hrs before i need a charge. This is with moderate to heavy usage (depends on your perspective) which includes:
1. Display is on roughly 1.5 to 2 hrs
2. Voice calls roughly 2-3 hrs
3. 100 odd texts
4. 30-40 mins of listening to music
5. 20-30 mins of browsing
6. 30 mins of running benchmarks
7. 10-15 mins of gaming
8. Downloads for 30 mins
8. Auto-sync & background data enabled for 9-10 hrs
achillies400 said:
Charge your phone fully and use it as you would normally, the screenshots you provided doesn't show much, what you have to do is click on the very top where it says 22h 52m, that would take you to another shot that shows your "screen on" time in a linear graph just below "Awake" time, that's the screen that would tell us if you are having wakelocks.QUOTE]
Ok, I had the phone plugged in to the laptop to transfer my Memo's from my BB/Outlook over to the phone, so it only says it has been unplugged for 3 min..If you want longer, let me know, as I'll do another one tomorrow.
This one is from 49 min unplugged...
As far as that app. I'll download it now and run it for a day or two and see what happens...will post back soon!
Thanks for all your help people!!!
achillies400 said:
.Secondly, get better battery stats from the market or from this link here then set the display options to "Partial Wakelocks" "since unplugged", remember you do this after using your phone normally from 100% to 50%, this should be able to give us some insight into what is eating your battery, it may be better to let the phone sleep as much as possible, but I know it's pretty hard to leave the device alone......
Click to expand...
Click to collapse
This version has been *removed till issue #1 is fixed* Network Usage with bytes sent and received
Click to expand...
Click to collapse
My non rooted galaxy s ii lasts at least on full day of heavy usage, including 3g, music, and gps. Will last 2 to 3 days if i use it conservatively turning off 3g when not in use.
make sure u have latest update thats basically all i did.
good luck.

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
Sent from my GT-I9100 using XDA App
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.
Sent from my GT-I9100 using XDA App
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
Sent from my GT-I9100 using XDA App
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

Android Usage--Battery Drain

My battery is quickly dropping according to my battery stats it's android usage. I did a search but only information for the SGS3 pops up. Anyway I can find out what's causing it?
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Sent from my SCH-I545 using Tapatalk 2
I'm having a very similar issue. I thought that screen was suppose to be the largest drain, but Android System appears to be consistently 55%+ of the battery used.
mine usually doesnt go above 20%..
its on screen percentage that is killing me lol
I wonder what's causing it.
My main usage on my S4 is the screen.
LOL Tap in the Android System in that list and see what all is listed under it. If you are running everything that Samsung added to the TouchWiz like the air view and eye tracking and such you will have the System draining your battery. Find out what you will actually use and not use and what is more for play turn off and what you will use regularly leave on. My guess is most ppl will have most if not all of it off on a normal basis
My S4 i got today from VZW i had some gestures on charged it to only 74% by noon (had to go out) and 5 hours later with just under 3 hours of screen time i was at 63% battery still and screen was 65% in the list with Android System at 12% Also screen was at 35% though not at brightest level.
Eric
Mine is showing only 5% over today. Screen is my biggest drain (as expected). Does it remain high usage after reboot?
Sent from my SCH-I545 using xda app-developers app
Eric214 said:
LOL Tap in the Android System in that list and see what all is listed under it. If you are running everything that Samsung added to the TouchWiz like the air view and eye tracking and such you will have the System draining your battery. Find out what you will actually use and not use and what is more for play turn off and what you will use regularly leave on. My guess is most ppl will have most if not all of it off on a normal basis
My S4 i got today from VZW i had some gestures on charged it to only 74% by noon (had to go out) and 5 hours later with just under 3 hours of screen time i was at 63% battery still and screen was 65% in the list with Android System at 12% Also screen was at 35% though not at brightest level.
Eric
Click to expand...
Click to collapse
Oh ok. That's what I was confused about. It was fine yesterday and then today not so much lol. But I did disable some of the gestures to see if that makes a difference. Thanks
Sent from my SCH-I545 using Tapatalk 2
a little update. I have seen this as well now but only after charging to full. It was not doing it yesterday cause i didn't get a chance to charge it to full until later last night. I was in and out since picking it up yesterday morning and never got it past 80%. So here is what i found.....
Once full and I unplug the phone (from the wall not usb charging obviously) the Android System is in the 50%+ of battery consumption in just a min or 2 from unplugging and seems to stay there. So after a few times of letting it get to 96% or so and recharging to check after an FDR I decided to just unplug the phone and reboot right away, the Android System never gets above 9% in the battery stats list when i reboot immediately after I unplug the phone.
Anyone with a reason why after charging, something in the list (and it's a HUGE list of apps at that) making up Android System is hanging after a full charge cycle? I mean technically, it's not a bad thing to reboot your phone each day but should you HAVE to do it?
Eric
Click on the android OS. Is it keeping your phone awake for an extended period?
Sent from my SCH-I545 using Tapatalk 2
dropbox.com/s/h9tc5vgwb67gded/2013-05-24%2016.20.25.png
Not sure if it'll show up, but it's eating up 65% of my battery :/. Not sure what's causing it.
Hethor said:
dropbox.com/s/h9tc5vgwb67gded/2013-05-24%2016.20.25.png
Not sure if it'll show up, but it's eating up 65% of my battery :/. Not sure what's causing it.
Click to expand...
Click to collapse
My screen is at 70% and i dont know why. Its not even bright.
TRU Hat3R said:
My screen is at 70% and i dont know why. Its not even bright.
Click to expand...
Click to collapse
Unless you are seeing your battery yield horrible life this is completely normal. Because its telling you a percent of the loss, for example your battery is at 90% so its showing you the break down of the 10% loss. So your screen is 70% of that batter loss. The screen is always going to be in the top. Thats good honestly that shows that you dont have any apps sucking down your battery more then the most power consuming hardware (screen)
My Android usage is high too. 60% is weird. I've frozen alot of stuff and only a few gesture options enabled. Would like to figure this out myself
Sent from my rooted Galaxy S4 via tapatalk 2.
Evocm7 said:
My Android usage is high too. 60% is weird. I've frozen alot of stuff and only a few gesture options enabled. Would like to figure this out myself
Sent from my rooted Galaxy S4 via tapatalk 2.
Click to expand...
Click to collapse
After 3 wipes of device and also an sd card wipe I was still having android system double the power consumption then the screen. I wiped the phone and then didnt log into google and just used the web broswer and surfed for 40 mins and then checked the stats, android system was still the number one even with 40 on screen minutes. At this point I was done with this phone
I just went to verizon, the manager first tried to tell me it was because I have location settings on, then I told him that I had the issues before I turned them on. Then he tried to tell me it was because im not using power saving mode. I had to almost fight for the exchange, he finally pulled out his phone and googled it and saw that this is a known issue and then tried to tell me that because its known that I shouldnt do the exchange and wait for an update, I said no. After 2 hours I finally walked out with a new s4, I will see how this goes.
I too am having the same problem
Sent from my Galaxy S IV
Wow. While this issue is somewhat annoying in the fact that something is there somewhere doing something in the background, it is not something that can be hardware related. It is just something enabled somewhere that we havent pinpointed yet. Regardless, I get great battery life and have just learned to deal with it. I know when some more roms come out and more things are figured out, it will be fixed. Its nothing to go ask for a replacement for. Not trying to sound like an a$$. Just saying
Sent from my rooted Galaxy S4 via tapatalk 2.
tell me this then, if its software then we should all have the same issue, because we are all on the same build (minis the rooted / rom installed) but of the 5 devices that I have looked at only 2 have this drain? I had done a factory wipe and then DIDNT log into google, or samsung so I had only the original installed apps, and I still had the issue,
So the only real way to test it I guess is we need to have someone that confirmed doesn't have this issue they will need to make a ODIN restore and then someone with the issue needs to restore with that, then that will eliminate any possibility of hardware problems.
I see your point. I did find something in better battery stats though. On partial wake lock, there is a process called audioout_2 which had used almost 45 minutes of cpu. Clearly, by the name, it has something to do with sound output and I then realized that touch sounds were enabled on my keyboard. Hopefully disabling that helps. It may not be the whole problem but I'm willing to bet it has something to do with it.
Edit: I checked the cpu time after I turned off keyboard sounds typed alot of random letters for about 20sec then turned sounds back on then typed again for 20sec. Checked cpu time on audioout_2 and it increased that same amount of time like I thought. So I'm going to see if it helps.
Edit again: my android system usage is slowly dropping. From 67-63% in the last 20 minutes. Won't know how much it impacts it until a recharge.
Sent from my rooted Galaxy S4 via tapatalk 2.
Do you guys with the high android battery usage have the Verizon ongoing connect to wifi notification? When I had it my Android system was high now that I managed to take it away is gone down a lot
Sent from my SCH-I545 using Tapatalk 4 Beta

Battery life

Any ideas how to extend the battery life? Hardly used the phone today as you can see from the screen shot and currently on 26%
Not going to make the whole day at this rate
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It's a fresh install the other day, I've even disabled the finger print scanner
Sent from my P9000 using Tapatalk
Hi, I'm also using the P9000 for 5 days now.
The battery in standby is ok, but drains quickly when display on.
In my battery statistics, there is no Google Services listed, maybe an update can help you (and also deactivate bluetooth).
I have seen the threads about Eragon custom rom and Rodriguez Mod. Can anyone give further information (maybe some statistics) about the battery life compared to stock P9000_Android 6.0_20160419 ?
Best regards,
miliob
mrbubba999 said:
Any ideas how to extend the battery life? Hardly used the phone today as you can see from the screen shot and currently on 26%
Not going to make the whole day at this rate
It's a fresh install the other day, I've even disabled the finger print scanner
Sent from my P9000 using Tapatalk
Click to expand...
Click to collapse
I've heard battery life is better with wifi turned to always on and if you turn intelligent power saving to off. Also search for wifi scanning in settings and make sure those are turned off. I keep my brightness set to under 25% also. Easily get a day. I'd loose on average 1-2% on 4G standby. Agreed though as soon as I start to use something more intensive such as Clash of Clans or watch a video where screen is on for period of time battery drains but then how quickly this phone charges up it isn't as bad as it would have been with a slower charging phone.
Increased life with RoDrIgUeZsTyLe MODPACK 1.1
In regards to your question regarding mods,
I was getting about 8-10 Hours battery life out of the stock firmware with my usage. I have since flashed "RoDrIgUeZsTyLe | MODPACK 1.1" which has upped my battery life to about 14-16 hours.
Hope this helps,
-Harry
DaBountyHunter said:
I've heard battery life is better with wifi turned to always on and if you turn intelligent power saving to off. Also search for wifi scanning in settings and make sure those are turned off. I keep my brightness set to under 25% also. Easily get a day. I'd loose on average 1-2% on 4G standby. Agreed though as soon as I start to use something more intensive such as Clash of Clans or watch a video where screen is on for period of time battery drains but then how quickly this phone charges up it isn't as bad as it would have been with a slower charging phone.
Click to expand...
Click to collapse
Wi-Fi is set to always on, but can't find the other settings?
Sent from my P9000 using Tapatalk
mrbubba999 said:
Wi-Fi is set to always on, but can't find the other settings?
Sent from my P9000 using Tapatalk
Click to expand...
Click to collapse
If you click the magnifying glass in the top right corner within settings and type scanning you should be able to find it. Intelligent battery save is a switch within battery
DaBountyHunter said:
I've heard battery life is better with wifi turned to always on and if you turn intelligent power saving to off. Also search for wifi scanning in settings and make sure those are turned off. I keep my brightness set to under 25% also. Easily get a day. I'd loose on average 1-2% on 4G standby. Agreed though as soon as I start to use something more intensive such as Clash of Clans or watch a video where screen is on for period of time battery drains but then how quickly this phone charges up it isn't as bad as it would have been with a slower charging phone.
Click to expand...
Click to collapse
Guys... Wonder if you guys may have an idea what is causing this. I still have the FP scanner taking 15- 20 seconds from acceptance to unlock the phone. The power button also is unresponsive..Sometimes requiring a hold down of the power button to wake. It's as frustrating as hell.
Anyways.. Playing around with settings.. If I go back into WiFi -->advanced--> keep WiFi on during sleep and change back to never (going against what
was said previously to extend battery life) my FP unlock issue disappears. The phone unlocks instantly.
What would be causing this, is anyone else experiencing this issue, is there a work around or is it a fault with this particular phone.
DavidGMC said:
Guys... Wonder if you guys may have an idea what is causing this. I still have the FP scanner taking 15- 20 seconds from acceptance to unlock the phone. The power button also is unresponsive..Sometimes requiring a hold down of the power button to wake. It's as frustrating as hell.
Anyways.. Playing around with settings.. If I go back into WiFi -->advanced--> keep WiFi on during sleep and change back to never (going against what
was said previously to extend battery life) my FP unlock issue disappears. The phone unlocks instantly.
What would be causing this, is anyone else experiencing this issue, is there a work around or is it a fault with this particular phone.
Click to expand...
Click to collapse
That's not normal. I'd try backing up your stuff and doing a factory reset. Have no issues with regards to the FP unlocking.
DaBountyHunter said:
That's not normal. I'd try backing up your stuff and doing a factory reset. Have no issues with regards to the FP unlocking.
Click to expand...
Click to collapse
This issue exists after a factory reset.and only exists when WiFi is set to always on screen lock and phone is unplugged. This may be another clue. Plugged in.. FP scanner works a charm...
DavidGMC said:
This issue exists after a factory reset.and only exists when WiFi is set to always on screen lock and phone is unplugged. This may be another clue. Plugged in.. FP scanner works a charm...
Click to expand...
Click to collapse
I was able to replicate your problem on my sisters P9000. Very frustrating. Out of the three I've bought (two for sisters one for myself) only one seems to be giving problems. Defo QA isn't up to scratch with some of these handsets.
Help
Did you ever find out how to improve it ????
mrbubba999 said:
Any ideas how to extend the battery life? Hardly used the phone today as you can see from the screen shot and currently on 26%
Not going to make the whole day at this rate
It's a fresh install the other day, I've even disabled the finger print scanner
Sent from my P9000 using Tapatalk
Click to expand...
Click to collapse
On every rom (even stock ROM) the standby time counts up, If I charge the phone to 100% and leave it disconnected from the charger through the night, it says I have 6 days standby time left the next morning. When I'm using the phone allot, this time is reduced to 4-5 hours.
I don't really know what your problem could be. Maybe an app is keeping your phone awake ( a.k.a wakelocks)? Maybe your battery is defective?
Fingerprint scanner drains almost 20% overnight, disable it
Fix
Did you ever find out how to fix it the battery drain
mrbubba999 said:
Any ideas how to extend the battery life? Hardly used the phone today as you can see from the screen shot and currently on 26%
Not going to make the whole day at this rate
It's a fresh install the other day, I've even disabled the finger print scanner
Sent from my P9000 using Tapatalk
Click to expand...
Click to collapse
texrex10 said:
Did you ever find out how to fix it the battery drain
Click to expand...
Click to collapse
No, I moved on to another phone in the end. About to fire up the P9000 and try to install Android 7 on it

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