Develop Bugs

Battery jumping

Good day everyone, I've been using CM9 for awhile now and its been an awesome ride so far. Everythings been working almost perfectly. Recently, my batteries(stock one) percentage level's been Jumping up and down...a lot. For instance, I woke up to it (while off) having 100% on the indicator, turned it on, and it dropped to 51%, re-booted it to see if that'd help but it dropped again to 12%. This kindof things been happening for awhile and still with Alpha 2. Should I just get a replacement from sprint? Or is there a workaround.
Also, Music's apparently been taking up to as much as 40% of my battery usage even though If don't even have it activated at the moment. I've tried deleting the apk but it appears com.android..., I may just be being a noob, but any help?
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Sent from my SPH-D700 using xda premium

Jump" is typical when you don't power off completely and then power back on no work around other than turn it off leave the battery out for like 3 or 4 minutes and power it back up
Sent From My SPH-D700 Running Android 4.0 :sly:

Try an app called bloat freezer or paid version of Titanium Backup and freeze music.
Sent from my SPH-D700 using XDA App

Have you tried calibrating ur battery? Give that a try and see if that doesn't stop it completely.
Sent from my O.G. SuperCyan using XDA Premium....

CASHVILLEBOS said:
Have you tried calibrating ur battery? Give that a try and see if that doesn't stop it completely.
Sent from my O.G. SuperCyan using XDA Premium....
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Apparently calibrating the battery according to some Android Engineer does nothing. The percentage you have left is directly related to the voltage of the battery. So if you are at 3.95 volts, that roughly corresponds to 50% with a range of 3.7 to 4.2 Volts on the battery. What the OP saw is the bbb...battery boot bug. If you are rebooting and you are lower than 70% do it while plugged into something. If it does happen as Biggie stated, simply remove the battery for a couple of minutes and reboot. It is a false report to the phone.

This has almost always been a issue for me when I flash anything new. It stays that way for until I deplete the battery, connect and leave connected til 100%, deplete the battery and follow the same process for about 3 full cycles and then all is well! Leaving battery out for a breather sometimes helps but I installed an app that has a widget and it keeps the regulating kinda monitered so I can be a little more at ease. Will post directly after this. But I also noticed that there have been times when the readout was a very low battery red [but I knew couldn't be true] and after I put it in airplane mode and didn't bother it for 5-10 minutes when I looked back again, battery would be yellow almost back to showing good and my battery stats show the levels increased. I think cm9 can't handle too much at one time anyways
Edit: that app I think is called battery info. Its pretty simple =) hope it helps! L8rz
Edit2: that app is listed in market as battery widget not battery info
Sent from justlovejoy's Epic 4g powered by The GreenRomProject.com & SpinBackEntertainment.com
Let's Go NYG!!!! 2012 beitchz!

Did I get a defective battery?

Just got my s3 like a week or so. I made a mistake and not charge it initially (thought it was a myth). I used my battery all the way to 17%. Now my battery only average up to 2 hours screen on. My sister who also got the phone as the same time has about right hour screen on time. Did I screw up or it's just my battery being defective
EDIT: attached is the battery stats
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Sent from my SGH-T999 using xda app-developers app

What's brightness set to, and what are you doing while the screen is on? You on WiFi most of the time?

mt3g said:
What's brightness set to, and what are you doing while the screen is on? You on WiFi most of the time?
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Well, when I'm in door, I use low brightness most of the time. Only when I'm outside I would use auto brightness. Since I'm in wifi zone most of the time, yes I do have wifi on. I mostly use my phone for twitter, web browsing, and youtube, nothing heavy like gaming or benchmark.

Hard to say if its defective but I've definitely seen a lot better battery. It might not hurt to try and get a new one.
Sent from my SGH-T999 using xda premium

you should calibrate your battery a couple times once you get the phone. do it a couple times and it will fix itself. also check all your syncing settings. this phone will deplete a battery in 5-6 hours if fully charged and phone brightness is up all the way while watching videos.

Calibrating batteries is a myth from the days of older battery technology. Draining your battery to 0 on purpose is actually killing your battery faster because you just used up one cycle.

gr4p3s said:
Calibrating batteries is a myth from the days of older battery technology. Draining your battery to 0 on purpose is actually killing your battery faster because you just used up one cycle.
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I think you're right
Sent from my SGH-T999 using xda premium

There's a bug on stock that makes cell standby much higher than it really is. So I wouldn't worry too much about that.
Also, Google Chrome is a huge battery killer for some reason. Consider switching to a different browser?

Still having the original battery in my vibrant and getting 8-9 hour charges while killing the battery 100% and charging it up once a week does nothing? Same thing for my g2x. I get about 10-11 hours on the thing daily original battery as well. If anything and you're not rooted to delete battery stats, its a good thing to do a couple times. I don't think I have hurt the battery at all, and if anything they still last very long...
Sent from my SGH-T999 using xda app-developers app

Android system % is really high.

I saw a post about this, but I can not find it now.
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The android system % is really high. For reference the screen time is at 2h 58min in that shot.
The post I saw about it mentioned a patch that fixed that in some phones? Just curious if there is something I can do to fix it and improve the battery life further.
This is on jedi xp9 with saber kernel.

What were you doing with the phone in that one hour? If nothing serious you have a battery leak problem. 31% for one hour is just not right. I used to install a calendar widget that causes leak like crazy, even after I un installed it. Had to do a hard reset to fix it.

1hr? The battery was at 1d 11h and some change, but yeah I am prolly going to do a clean install. I'm thinking maybe my titanium backup is goofed up.
Just wasn't sure if there was a system patch that was for that, I thought I had read that somewhere.

Its just the only thing using battery. That's good. Youre getting phenomenal battery life. Trust me. When I posted my last message I didn't see a pic of your time stamp. Do math on total CPU usage of the android system. Also Google backup transport uses a good chunk. Disable that if you don't want it. (When flashing a new rom Google transports your old backup onto your device)
Anyhow here you go. Do the math and see how much battery life to CPU usage I would get verse what you got. If you are never using your phone the is and or system will eventually kill it. Using a larger percentage. It looks like you aren't even using your phone. 36 hours of battery is insane. Also note my screen was on just a little over 3 hours. (At minimal brightness always)
Sent from my GN2 using XDA app.

Spoontain said:
1hr? The battery was at 1d 11h and some change, but yeah I am prolly going to do a clean install. I'm thinking maybe my titanium backup is goofed up.
Just wasn't sure if there was a system patch that was for that, I thought I had read that somewhere.
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Sorry my bad. But it still doesn't look right to me that your system is burning more battery than the screen.

It seems like your phone was idle for the most part of that battery time. If so, then it's normal to show more android system usage percentage than other things, since there are background processes running. If that's the case, your battery drain is good, especially if you're 4g was on the entire time.
Sent from my GT-N7105 using xda premium

AlonB. said:
It seems like your phone was idle for the most part of that battery time. If so, then it's normal to show more android system usage percentage than other things, since there are background processes running. If that's the case, your battery drain is good, especially if you're 4g was on the entire time.
Sent from my GT-N7105 using xda premium
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Yeah I never turn the 4g off. Guess I was just miss understanding the post.
Yes the phone was idle a lot, normally is on my days off. During my work week im looking at 18-20 hours getting me to 60-40% and me charging it it before bed. Being in reinforced concrete buildings 2 stories underground causing me to the have a poor signal I figured that was pretty decent.
Anyway thank you guys for the information.

****ty battery

Time to replace a battery, or is something wrong here?
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Using android is like changing a new phone every month!

Better check you apps behaviour and syncs with BetterBatteryStatts and cpu spy for deep sleep. No way a battery drains that fast normaly.

Interesting thing is, I just did a full wipe/factory restore, couldn't be an issue with my apps, could it? Gonna go log my battery in the mean while
Using android is like changing a new phone every month!

Could it be due to this process "audioOut_2"?
Dont have vibes installed though, yet somehow this is preventing phone from sleeping.
Will try with second handset to see if this is an issue with rebooting phone on silent mode
Using android is like changing a new phone every month!

iamwozy said:
Time to replace a battery, or is something wrong here?
Using android is like changing a new phone every month!
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how many screen time? have you put you phone in a hot zone? have yoy been playing while charging for a long time? i say it because it is known that some samsung batteries inflate themselves and decrease the battery life to like about 15 minutes so look if the battery is normal or a bit rounded (fat battery)
hope it helped,
bests
Sent from my GT-N7100 using xda app-developers app

aka_sirok said:
how many screen time? have you put you phone in a hot zone? have yoy been playing while charging for a long time? i say it because it is known that some samsung batteries inflate themselves and decrease the battery life to like about 15 minutes so look if the battery is normal or a bit rounded (fat battery)
hope it helped,
bests
Sent from my GT-N7100 using xda app-developers app
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Hot zone meaning? I haven't been abusing my phone, but when I play some games/surf the Web, the battery seems to die at almost twice the speed it did before.
If buying a new battery would solve this issue, then I would buy without hesitation! I'm just scared that the battery condition is not the main issue with this drain.
Currently doing a full drain/charge to recalibrate the battery
Using android is like changing a new phone every month!

iamwozy said:
Hot zone meaning? I haven't been abusing my phone, but when I play some games/surf the Web, the battery seems to die at almost twice the speed it did before.
If buying a new battery would solve this issue, then I would buy without hesitation! I'm just scared that the battery condition is not the main issue with this drain.
Currently doing a full drain/charge to recalibrate the battery
Using android is like changing a new phone every month!
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by hot zone I mean let the phone in the sun or somewhere when the temperature is high. I recommend you to check your battery physically, I mean open the back of the phone and see if the battery is in the same condition as when you received it. As I said before the main problem could be that your battery have been inflated if is this you must replace it not only because the bad performance but also because it is really dangerous(there are acids in there and if it explote..)
However it seems more like a continous draining try calibrating as you said with battery calibration or similars. If the battery starts to decrease its life (i mean today lasts 5h., tomorrow 3h.) it is almost sure what i said about the battery.
hope i helped you somehow
Bests
Sent from my GT-N7100 using xda app-developers app

Battery Percentage not displaying properly

So for awhile now my battery percentage has been acting funny. The majority of the time, it displays 0% regardless of the actual charge. Sometimes it will display as the real charge but then it will remain displaying that level even after the charge has dropped. I have tried formatting and flashing different roms, it doesn't seem like the ROM is the issue. Currently using one of the CM11 builds from last week. You can see from my screenshot that regardless of being charged it shows 0% across the board for the last 2 days.
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Anyone know what's up with this? My gut is telling me to open up the case and check the battery connection, but I'm wary of cracking my backplate when prying it open. I heard its quite fragile.

CHiSEEN said:
So for awhile now my battery percentage has been acting funny. The majority of the time, it displays 0% regardless of the actual charge. Sometimes it will display as the real charge but then it will remain displaying that level even after the charge has dropped. I have tried formatting and flashing different roms, it doesn't seem like the ROM is the issue. Currently using one of the CM11 builds from last week. You can see from my screenshot that regardless of being charged it shows 0% across the board for the last 2 days.
Anyone know what's up with this? My gut is telling me to open up the case and check the battery connection, but I'm wary of cracking my backplate when prying it open. I heard its quite fragile.
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Sometimes after flashing a ROM the battery stats will act weird. Charge to 100% and use the battery calibration app and you should be back to normal.
Sent from my Nexus 7 Flo running Odex SinLess ROM 4.4.2 with ElementalX kernel using XDA Premium 4 mobile app

Thanks I'll try that. I've never had to recalibrate my battery after flashing with any of my other devices. Hopefully this fixes it!
Sent from my Nexus 5 using Tapatalk

CHiSEEN said:
Thanks I'll try that. I've never had to recalibrate my battery after flashing with any of my other devices. Hopefully this fixes it!
Sent from my Nexus 5 using Tapatalk
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Doesn't seem like the calibration app is doing anything, it thinks the charge is at 0% as well. Also when I boot into recovery (TWRP), there is no battery charge displayed. On my phone it displays the charge next to the time.

so glad to have come across your msg because I've been having the same issue for the past week.
I owed a Nexus 7 2013 unrooted which I'm running with the latest version 4.4.2.
I've been googling all weekend and came across several msg on the issue.
My issue is that tablet been shutting off at 40% as if my tablet is seen 0%. Just before it shut down a msg appear saying low battery and the tablet shut off but problem is the per engage show 40% and this started since this past weekend.
I've try to recharge my tablet by closing it and charging it to no avail. I also read on different board that those app calibrate a myth and does nothing to solve the issue. The only thing I haven't done is factory rest my system because again I've read that the issue still persisting.
Also each time that I'm charging my tablet I notice that it stay a long time on 100% but the moment it reach 40% it shut down as if is 0%.
I'm hoping other users can come by and confirm if they experiencing the same issue.