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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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

Is anyone else's battery on crack?

Usually I can go a full 16 hour work day without needing an extra charge, then last week it started not holding the charge so well. In fact Tuesday it had 30% and I left the house for half an hour, and when I came back the phone had shut off and was at 0. I hadn't even touched it. I am on a mix of Wi-Fi and LTE. Anyway, that was odd. Now look at the battery usage...
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Do you have a screenshot of the stats when the battery went all out of whack?
Sent from my SAMSUNG-SGH-I747 using xda premium

My android system has been going crazy the last week or so, usually would be at 5% our do but lately has been 40+ easy... been to lazy to wipe and re flash as I'm sure that will fix the issue, but lately I've been near power all the time so it hasn't really bothered me.
Sent from my SAMSUNG-SGH-I747 using xda premium

I flashed with Highonandroid and got 30+ hours. Probably could have gotten double if I didn't kill half of it installing all my apps back on.
What rom are you using?
On the stock image I was only getting 9 hours.
Sent from my SAMSUNG-SGH-I747 using xda app-developers app

tuffluck said:
Usually I can go a full 16 hour work day without needing an extra charge, then last week it started not holding the charge so well. In fact Tuesday it had 30% and I left the house for half an hour, and when I came back the phone had shut off and was at 0. I hadn't even touched it. I am on a mix of Wi-Fi and LTE. Anyway, that was odd. Now look at the battery usage...
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it looks like weatherbug and google maps take a lot of battery

i never truly understood why people boast of their battery life when they have the screen on for 10 minutes in 2 days

theraker007 said:
i never truly understood why people boast of their battery life when they have the screen on for 10 minutes in 2 days
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+1
if you are not using a phone, turn it off and the battery will hold charge for many, many days.

Battery is ****ed up.

I was always unsatisfied with my battery life, but now it's gone too far!
1. No matter how long I charge it, at the very second I unplug it it goes down to 99%.
2. It doesn't even go down correctly, one moment it's 65% and the other it's 58%. Always.
3. It drains soooooo fast even though I do nothing with it!!!!
Here are some pictures
1. This is 17 minutes after unplugging it, all I did was to put music on [earphones] and check if my girlfriend was online on Whatsapp.
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2. That's after a minute and a half, 2% less, doing nothing but listening to music with my screen off!
3. One minute later..
4. Sixteen minutes later, phone is idle and untouched [not even music, I started my shift]
5. Again, idle.
It lasts 3 hours tops!!!! What the hell do I do.

MaorSwan said:
I was always unsatisfied with my battery life, but now it's gone too far!
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This app already told you the culprit! Your getting wakelocks so an app you installed is keeping the device awake all the time. The rest is for you to figure out partner . Use the search function on XDA and you will find all the info you need.

Tw1tchy said:
This app already told you the culprit! Your getting wakelocks so an app you installed is keeping the device awake all the time. The rest is for you to figure out partner . Use the search function on XDA and you will find all the info you need.
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Ok might be but to the level where the phone doesn't last 3 hours? That's not cool. It should be lasting more even with heavy using.

MaorSwan said:
Ok might be but to the level where the phone doesn't last 3 hours? That's not cool. It should be lasting more even with heavy using.
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yeah you're right, it should last more anyway! maybe it's the rom.. what rom are you using? or maybe the battery failed. it happened to me with another phone, basically i was in the seaside with about 38°C the phone was boiling hot, the battery was fully charged but in about 20 mins it was at 5% without even using it then it died. since then that battery never worked again and i had to buy a new one. do you remember if you had a similar situation or if your phone overheated for any other reason (maybe while charging or near a heat source)?

fireblade said:
yeah you're right, it should last more anyway! maybe it's the rom.. what rom are you using? or maybe the battery failed. it happened to me with another phone, basically i was in the seaside with about 38°C the phone was boiling hot, the battery was fully charged but in about 20 mins it was at 5% without even using it then it died. since then that battery never worked again and i had to buy a new one. do you remember if you had a similar situation or if your phone overheated for any other reason (maybe while charging or near a heat source)?
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I use Android Revolution HD.
It got heated a few times but not too hot, and besides, I read that it happens to everyone..

Battery life

Good battery or software bug? Still on 100% even after 1hour 25 minutes
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And I have played candy crush for 10 minutes, half hour YouTube, dual sim connected with 4G
Sent from my SM-A705FN using Tapatalk

Nizamani said:
And I have played candy crush for 10 minutes, half hour YouTube, dual sim connected with 4G
Sent from my SM-A705FN using Tapatalk
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I think its just a bug, mine seems to stay on 100% for a long time too. It does drop eventually. The battery life is very good on this phone though. I've never had it run out during a day yet. It does seem to better reflect battery use at it gets lower.

GavCity said:
I think its just a bug, mine seems to stay on 100% for a long time too. It does drop eventually. The battery life is very good on this phone though. I've never had it run out during a day yet. It does seem to better reflect battery use at it gets lower.
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Yes you are right after 90 minutes it's dropped to 99 and 98, I thought I have to restart to get correct reading but didn't
Sent from my SM-A705FN using Tapatalk

I have same issue. Stays at 100% after 30mins or more of usage. As soon at it drops to 98% battery drain becomes normal.
I did the calibration reset code *#0228# and it didn't change a thing.
Battery life is good on this phone but nothing impressive.

Probably needs a few charge cycles for the battery to calibrate properly, happened to me too.

Still going strong, no power saving , 4g all the time , Bluetooth all the time, alot of games, Facebook and YouTube
Sent from my SM-A705FN using Tapatalk

My battery life

this phone is excellent on battery life.
when i first used it and charged it to 100%, I noticed the same thing, and was confused, checked to see if the phone froze, etc. But then I started to feel invincible from the overabundance of power. LOL.