Does anyone know why when I restart my phone and look back at the battery it drops almost 50%. It happens with every ROM I've tried. currently I'm running "the goodness" 2.5.1 mijja which is totally awesome. Amy thoughts? thanks in advance!
Xerxax
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have you tried charging to 100% then wiping battery stats ?
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Is this happening to you on Gb roms too? or just ics? I was on ics for a few and my battery would drop to 21% for no reason, on two different roms of ics. I flashed back to GB and haven't had any issue whatsoever, I never had an issue like this with FBxx leaks, only FCxx leaks
No I haven't cleared the battery stats, that seems like a good idea. I did use calkins complete wipe before flashing every ROM . It did happen once on a GB ROM but I was only on the GB for a week before the ics leaks came out. I'll try the battery stat clearing and report. Thanks for the thoughts!
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xerxax said:
No I haven't cleared the battery stats, that seems like a good idea. I did use calkins complete wipe before flashing every ROM . It did happen once on a GB ROM but I was only on the GB for a week before the ics leaks came out. I'll try the battery stat clearing and report. Thanks for the thoughts!
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Click to collapse
You should always try wiping the battery stats, then draining the battery completely (until it turns off) and charge it to 100%, calibrate the battery and unplug. Just to be sure, you could drain it once more after that and fully charge it. This should then indicate the actual battery percentage.
This is recommended to do after flashing a new ROM.
Hope it helps and fixes the issue.
xerxax said:
Does anyone know why when I restart my phone and look back at the battery it drops almost 50%. It happens with every ROM I've tried. currently I'm running "the goodness" 2.5.1 mijja which is totally awesome. Amy thoughts? thanks in advance!
Xerxax
Sent from my SPH-D710 using xda premium
Click to expand...
Click to collapse
That sounds like a defective battery.
Perhaps you need to charge to full and discharge to about 10% the battery a few times, before this battery starts to behave normally...
NP....let me know
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nabbed said:
That sounds like a defective battery.
Perhaps you need to charge to full and discharge to about 10% the battery a few times, before this battery starts to behave normally...
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Click to collapse
I feel like the battery is behaving normally until I reboot. Then when I come back and look at the battery stats there is a significant loss of power but it is random (meaning not every reboot just some times) and that worries me. So in the morning I an going to reset by battery stats and run my phone until death, charge fully, then reboot a couple of times and report back. Thanks everyone for the input.
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Mark.J.Linskiy said:
You should always try wiping the battery stats, then draining the battery completely (until it turns off) and charge it to 100%, calibrate the battery and unplug. Just to be sure, you could drain it once more after that and fully charge it. This should then indicate the actual battery percentage.
This is recommended to do after flashing a new ROM.
Hope it helps and fixes the issue.
Click to expand...
Click to collapse
What exactly do you mean by "calibrate the battery?" I am going to try that for sure but is there a battery calibrating application or is it just clearing the battery stats in CWM? Thanks again.
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Kill battery to 0%...make sure its at 0%......then charge to 100%.........then go to recovery and wipe battery stats....then do the same after
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Does that battery trick work with stock im talking about the draining and recharging I know I can't clear battery stats without cwm but I'm wondering if draining and recharging would work on stock without calibration
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this has happened to me on every andriod device ive owned
This is pretty much a well known bug on all samsung phones. The galaxy nexus included. If i'm not mistaken i've seen a few cases of this happening on HTC phones as well. If you let the phone sit the battery percentage should actually start going back up without charging. The problem is that the battery is only reporting to the phone an estimate of whats left. Its not designed to know how much is really left.
I think its a gingerbread bug. I get this too on my e4gt and I also got it a lot on the og epic when I upgraded to gingerbread. I honestly don't recall it happening on froyo. At least when it happens the battery percentage will stay stuck on that number till it actually starts draining.
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Since you never flash anything it wont mess with your "battery stats/%".
But doing that will make your battery last longer.
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So I ran my battery dead today... Dead, 0%, would not even turn on. Charged it for 5 hours until it said 100% being powered off. Booted into CWM and reset battery stats and tomorrow 8am will be unplugging and seeing how she does. I will also try a couple random reboots and report on battery life and drops. Thanks all for your help! Update for tomorrow night.
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xerxax said:
So I ran my battery dead today... Dead, 0%, would not even turn on. Charged it for 5 hours until it said 100% being powered off. Booted into CWM and reset battery stats and tomorrow 8am will be unplugging and seeing how she does. I will also try a couple random reboots and report on battery life and drops. Thanks all for your help! Update for tomorrow night.
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Click to collapse
Ok cool...let me know if that works,if not I will check for other ways.
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Not to be a Debbie downer but wiping stats is just a placebo effect. The only way to calibrate a battery is kill fully charge fully. Try not to mess with it too much while its charging. The stats has been proven to do absolutely nothing tho.
Sent from my BAD A$$ EPIC TOUCH 4G
Alright peeps here is my update. Yesterday I drained my battery all the way to 0%, and my phone would no longer turn on. I then proceeded to charge it (while off) until it said 100%. I immediately booted into CWM and cleared battery stats and restarted.
I had a fairly light usage day but I did manage to reboot several times go to CWM clear the cache and here are the results:
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I don't know if it was the battery stat clearing or just the killing then full charging of the battery but I didn't have any random power losses and my battery did fairly well but remember light usage for the day. So take this as you will but I am fairly satisfied. Thanks everyone for your input!
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patrao_n said:
Not to be a Debbie downer but wiping stats is just a placebo effect. The only way to calibrate a battery is kill fully charge fully. Try not to mess with it too much while its charging. The stats has been proven to do absolutely nothing tho.
Sent from my BAD A$$ EPIC TOUCH 4G
Click to expand...
Click to collapse
Agreed...there is a chip that runs the battery end of things...i've always heard ..especially from xda, is once you finish flashing...pull battery wait five minutes, reinsert and what u have at that point is what is really there.
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Related
I'm rooted and running Gingersense. I noticed recently my battery wouldn't charge all the way. I cleared the battery cache and powered it down and it finally charged but every so often now it does that where it reaches 76% then stops...
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darinr80 said:
I'm rooted and running Gingersense. I noticed recently my battery wouldn't charge all the way. I cleared the battery cache and powered it down and it finally charged but every so often now it does that where it reaches 76% then stops...
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Click to collapse
I had a similar issue. Turned out I was using a cord that wasn't letting enough power to the phone.
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I had a similar situation where my battery seemed like it wasnt charging. My battery widgets and noti widget were not progressing in percentage. It turned out my charger was going bad.
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My battery has some issue while I wipe different ROM
I noticed this issue only when I first flash a new ROM. It goes away, for me, after the first attempt at a full charge and has been charging 100% since.
Is this horrible battery life or what .!
Any ideas or help in what rom, kernal , setting to used to improve this. I love the phone but damn with the battery !
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Uh what's your screen on time? Looks like you were using it the majority of that 4.5 hrs, and rebooted it 4 times...
Stadsport said:
Uh what's your screen on time? Looks like you were using it the majority of that 4.5 hrs, and rebooted it 4 times...
Click to expand...
Click to collapse
Yes I rebooted 4 times and were using it on ans off. Just playing around with the new phone but no videos or games tho .
Still seems a bit of bad battery life ! Right ?
Any ideas on a good rom kernal combo ? I'm on AOKP with a Franco kernal ( tried about 4 kernals )
Thanks again ..!!
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Blanko6 said:
Yes I rebooted 4 times and were using it on ans off. Just playing around with the new phone but no videos or games tho .
Still seems a bit of bad battery life ! Right ?
Any ideas on a good rom kernal combo ? I'm on AOKP with a Franco kernal ( tried about 4 kernals )
Thanks again ..!!
Click to expand...
Click to collapse
could you show us your actual screen on time and awake time? This first screenshot doesn't show us enough information.
Theres obviously a problem but we need to see some more info.
What is your screen on time like the previous poster asked?
If you're getting like 3 hours screen on time then you won't see much improvement from any rom or kernel...
There is my screen on. Is that some what normal ?
My Inc 2 was really good on battery so maybe I'm expecting too much ?
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Get on wifi.
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2 hours screen on time is okay. If you hadn't rebooted four times you could have got three.
In my experience 2 hours of screen time is terrible, even with 100% brightness.
I use AOKP rom and Lean kernel tho.
With 100% brightness on all the time I'd expect at least 3 hours but I never leave it maxed out all the time, so I always get at least 4 hours screen time along with 24+ total.
Is your phone new? That could be the problem, the first three days. my battery life was maybe 5 hours at best.
Cythreill said:
In my experience 2 hours of screen time is terrible, even with 100% brightness.
I use AOKP rom and Lean kernel tho.
With 100% brightness on all the time I'd expect at least 3 hours but I never leave it maxed out all the time, so I always get at least 4 hours screen time along with 24+ total.
Click to expand...
Click to collapse
My brightness is less then half the bar . I never even set it at half.
Which lean kernal are you using? I'm gonna give it a try !
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Mr. Barlow said:
Is your phone new? That could be the problem, the first three days. my battery life was maybe 5 hours at best.
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Click to collapse
Yeah my phone is 4 days old ! So might get better !?!?!?!?! Lol
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My battery life wasn't that terrible but not really good either. Now I'm using Franco kernel with underclocking and undervolting and it's been better.
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Verizon sold me a bigger battery that supposed will give you five extra hours . It came with a different back. The look and feel is not different we will see how it works. Field test tomorrow.
Just letting you know about the option I was kinda shocked about it myself let me know if you need more info .
Sent from my Galaxy Nexus using XDA App
It would be really nice to hear about the battery life and the feel of the phone with the bigger cover . Please let us know after testing !!
Slie said:
Verizon sold me a bigger battery that supposed will give you five extra hours . It came with a different back. The look and feel is not different we will see how it works. Field test tomorrow.
Just letting you know about the option I was kinda shocked about it myself let me know if you need more info .
Sent from my Galaxy Nexus using XDA App
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Click to collapse
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Blanko6 said:
It would be really nice to hear about the battery life and the feel of the phone with the bigger cover . Please let us know after testing !!
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Click to collapse
It makes it a small amount (1mm or so) thicker. The cell is 14% larger mAh wise. So the battery life doesn't increase dramatically.
Blanko6 said:
Is this horrible battery life or what .!
Any ideas or help in what rom, kernal , setting to used to improve this. I love the phone but damn with the battery !
Sent from my Galaxy Nexus using XDA App
Click to expand...
Click to collapse
Here is what I got from the extension battery that was supposed to give me five hours extra. I'm normally impatient and don't have time to charge my phone when I get a new one so I drained it and gave it a full charge. (I know its li ion).
This was on 4G and did wat I normally would do. This is my second day with the phone. So I haven't had the chance to try this battery only on 3G yet and unfortunately I won't get a chance to try these fairly new battery's on the 4G network again.
But here is a screen shot of my extended battery on the 4G network. Not happy. I didnt even come close to five hours let alone what she promised.
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I find a pretty funny that every single phone I've had in the last 2 years in every forum the people are always complaining of the battery life sucks I guess that's just modern day smartphones. This is where the razor max is going to shine.
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Slie said:
But here is a screen shot of my extended battery on the 4G network. Not happy. I didnt even come close to five hours let alone what she promised.
Click to expand...
Click to collapse
Whats you screen time?
chirea.mircea said:
2 hours screen on time is okay. If you hadn't rebooted four times you could have got three.
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Click to collapse
Does rebooting really drain that much? I smell BS.
Sent from my HP Touchpad running ICS
Here are some screen shots, tests were done with nothing sycning and screen off for 10 minutes, I even checked to see if any app was set to " sync on wifi only" . Now when wifi is on, it seems to sleep less and use more cpu until the " turn wifi off when screen off" kicks in. So if you are using your phone off and on before wifi turns off, you will kill your battery much faster.
Edit, these pics are from FC24 ICS leak, Im on CM9a3 FD16 kernel FD19 modem atm and same applies for this setup.
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http://db.tt/SeVHuua5
http://db.tt/ZMWLztbt
http://db.tt/atcX2c7g
http://db.tt/XWNzNIOD
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I thought this was common sense but i'm sure it'll help others. Thanks
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locoboi187 said:
I thought this was common sense but i'm sure it'll help others. Thanks
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Click to collapse
Could you elaborate on which part is common sense?
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locoboi187 said:
I thought this was common sense but i'm sure it'll help others. Thanks
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Click to collapse
no, if anything, the radio will cost more battery because it's constantly looking for signal.
Live in a low signal area like I do and turn off wifi in the house, see what happens.
phatmanxxl said:
Live in a low signal area like I do and turn off wifi in the house, see what happens.
Click to expand...
Click to collapse
This
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I think you guys are wrong, even when wifi is on the phone is connected (or searching for a signal). What this test is saying, is if you arnt using your phone (pulling data from 3g (having nothing to do with your signal)) you should have better battery then when wifi is on and you arnt pulling data.
example here, full wifi signal, but no cell signal, and Ill lose battery faster at this point, then say if I had full wifi and full cell signal. So what Im saying is no matter what your signal is like, when the phone is sleeping and you have wifi on, it will stay awake (wake lock) which will use more battery, period. As you can see when on 3g it sleeps most of the time. Ive done the test in low signal and good signal areas, and every time when 3g is on and sleeping it uses less battery.
http://dl.dropbox.com/u/31113531/P/Screenshot_2012-04-21-00-40-00.png
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Good, thorough testing.
What I see here in simple terms:
Wifi on while actively using data(screen off/on and sync, or active usage) is going to be better on battery versus 3g/4g.
Wifi on while NOT actively using data, is causing some sort of wakelock which is not allowing the device to sleep properly. Thus reducing battery life, because its trying to do something, and not succeeding
Solution: If you are going to be using the device more than leaving it idle, use wifi. If you are the "I check every few minutes for texts and that's it" or "I use xda app or twitter every few minutes, but otherwise screen is off" kind of person, then use 3g.
If you can, turn off all data connections when not actively using data. This depends on if you let your phone sync or not though.
~ E.R.A.
You guys are my boyzz but...I think I have to disagree on this one. 6 hours idle on wifi while I was sleeping. Data was on as well
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JohnCorleone said:
You guys are my boyzz but...I think I have to disagree on this one. 6 hours idle on wifi while I was sleeping. Data was on as well
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Click to expand...
Click to collapse
I agree. Every time wifi is on, the battery usage is much lower than when using a 3g/4g radio.
I think every single wifi vs. cellular radio comment to this point in my 4 years of using smartphones was in favor of wifi. Without exception.
Seeing this thread makes me wonder if the OP was drunk.
OK, I made sense of this..OP was using CM9 which does use more battery while idle on wifi supposedly. I am not sure if that's been fixed because I haven't flashed CM9 on this phone yet.
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Don't be so rash and I believe this applies to cm9 unless that screen shot that John uploaded is cm9 which I doubt. I noticed myself that leaving wifi on will stop my phone from going to deep sleep also. This issue seems to be more ROM specific and not the usual general practice.
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I've been using cm9 a2 for about a month or so, and it's been nearly perfect for me.
I can report that the standby power consumption without a doubt has been no different from gb roms. That is to say about 1% battery per hour of standby on wifi or 3g (with full bars; much more drain with less bars.)
im0rtalz said:
Don't be so rash and I believe this applies to cm9 unless that screen shot that John uploaded is cm9 which I doubt. I noticed myself that leaving wifi on will stop my phone from going to deep sleep also. This issue seems to be more ROM specific and not the usual general practice.
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Click to expand...
Click to collapse
Yup, he did state he was on CM9 in the post and I most certainly am not. It is more ROM specific as you mentioned imOrtalz
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My battery life is just like op. Wifi keeps my phone awake and killa my battery life compared to 3g and 4g.Calk FC10 ics.
Only thing running is gmail sync, everything else is set to update when used. No g+ or fb either.
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phatmanxxl said:
Live in a low signal area like I do and turn off wifi in the house, see what happens.
Click to expand...
Click to collapse
Very true. Before my girlfriend, who lives in the sticks, got an Airave, I would lose 5-7% PER HOUR while idle on 3G. If I wanted my phone to last (almost the whole day) off the charger I would have to put it in airplane mode when not in use.
I would say if you have excellent 3G reception it wouldn't be much of a difference either way.
I have an airave in my apartment and still get better battery when on wifi.
Running GB
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funcrusher said:
Could you elaborate on which part is common sense?
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Click to expand...
Click to collapse
If apps are set to sync with wifi radio on then it'll try to sync even when wifi sleep policy is set to be "off" when the screen is off. Thus the app will keep trying and therefore battery life shrinks
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Hopefully when we get kernel source this will be straightened out. I am running CM9 on my Nexus with a screen off profile of 400/200 wheatley governor (great for screen off battery life.) Hopefully when we get that source we can have more governor options.
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Wifi on all night using cm9 alpha 3
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How well is the battery supposed to be while running the universe V1.4. All I get is about 5hrs with everything usually off. Is that normal. Should I get an extended battery? Can someone like me to one? Thanks.
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DaMan90 said:
How well is the battery supposed to be while running the universe V1.4. All I get is about 5hrs with everything usually off. Is that normal. Should I get an extended battery? Can someone like me to one? Thanks.
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Click to expand...
Click to collapse
While I cant speak for universe V1.4 that seems to be extremely poor battery life, i am currently on Blazer 4.1 GB, and with Wifi on, and moderate usage getting a whole day or more on a single charge.
have you wiped your batteries memory recently or just flashed the rom? it usually takes 4-5 full charges and discharges after a flash for the phone to re-learn the battery.
I would reset battery data in the recovery and then charge the phone to full and then fully discharge the battery, do this 4-5 times and see how your battery life is then.
Thanks but how am I supposed to reset my battery stats?
Edit:Nvm Got it.
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DaMan90 said:
Thanks but how am I supposed to reset my battery stats?
Edit:Nvm Got it.
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Click to expand...
Click to collapse
besides going into recovery to wipe battery stats there is an app called battery calibatiion (market). does the same thing.
I need a script to reset my battery stats. I'm running cm10 a5. Battery is new flashed a few ROMs and now its funky. It super charges in a period of 20 mins it will charge damn near 60% and it will die just as fast.
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Battery stats can be erased by simply fully charging it. Doesn't do anything really
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