Battery calibration/ wrong percentage - Galaxy Tab S Q&A, Help & Troubleshooting

For several past days I'm having issues with battery calibration. T700 drains extremely fast. When battery shows 0% device turns of...OK but when I turn it back on it shows 37% ?!?!
How to solve this?
Using stock rooted ROM.
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http://forum.xda-developers.com/galaxy-tab-s/help/battery-drained-rapidly-problem-t2841397

senel said:
For several past days I'm having issues with battery calibration. T700 drains extremely fast. When battery shows 0% device turns of...OK but when I turn it back on it shows 37% ?!?!
How to solve this?
Using stock rooted ROM.
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Hardware problem.... To bad you tripped knox and warrenty is gone.

Really? Seem more like SW issue for me. I tried CM today and battery percentage was OK ?

senel said:
Really? Seem more like SW issue for me. I tried CM today and battery percentage was OK ?
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I might try it too if it works for you.

Related

Apps stopped showing up in battery usage. Why?

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Has anyone experienced this? As you can see from the attached shot, none of my App usage is showing up on my battery usage percentages. Usage includes a decent amount of time on Tapatalk, web browsing with Opera and some games. I even played about 20 minutes of Angry Birds to try to get an App to show up. Even Android OS is missing.
I've restarted multiple times, drained and charged to full, and even wiped battery stats in CWM. What the hell did I do? I'm really at a loss.
Sent from my SPH-D710 using Tapatalk
Think it has something to do with the "Desperado" kernel. I was running that before I flashed the Rogue Stock Repack and apps weren't showing up in the battery stats. After flashing the stock repack, the apps showed up again.
Thanks for the reply. I suspected it was kernel related, but I wasn't getting any replies in the kernel thread so I figured it was just me. I'll probably have to wait until Steady Hawkin sees my post(s).
Thanks again.

sudden battery drain for no reason?

I was getting really good battery life until a few days ago when the battery suddenly started draining without any reason. I've not installed any apps or changed any settings that I think would've caused this. Can someone have a look at the screenshots and advise please?
Using viper x rom with default kernel.
http://imgur.com/a/yUfo0#0
Your rx wake seems to high, mines been on all day and only shows as less than 5 minutes this is on the stock kernel.
Now I can't remember top of my head but rx wake might be wifi related, sometimes caused by bad routers and such. Also you've got Bluetooth on have you noticed the same drain with Bluetooth off?
Other than that it doesn't seem to be bad at all but something is causing a drain and I think it's the RX wake in conjunction with Android OS.
Compared to my screen shots for today something is not right with yours.
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Does it happen all the time? Usually a restart can solve any background issues you may be facing.
Sent from my HTC One X using Tapatalk 2
i have this batery drain like hell... i soo depressed right now, i cant even use it. any help thou? im using CM10 from tbalden

Wrong battery percentage

For a week or so my battery percentage gone all haywire. Voltage reach maximum when charged around 4.3 volts but battery % at 80% etc. Even charging light turn off. Battery monitor widget shows ac connected and discharging. Sometimes 100% voltage is lesser than 98% etc [emoji33] Pls help
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Did you try to reset your batterystats.bin file?
There is a lot of discussion if it actually does something or not.
But in your situation maybe worth a try?
Google for it if you want to know how it works. There are a lot of tutorials for that.
i ll give a shot
Schlengge said:
Did you try to reset your batterystats.bin file?
There is a lot of discussion if it actually does something or not.
But in your situation maybe worth a try?
Google for it if you want to know how it works. There are a lot of tutorials for that.
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Click to collapse
:good:
Lasantha said:
i ll give a shot
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Click to collapse
Here Is an app that reset batterystats.bin
Also read This before proceeding
Most informative thanks again @bdit.

issue with LP custom rom

Tried few custom lollipop rom i use i have the same problem with battery. I'm not sure what is causing that. There is no issue of battery in kitkat rom(official).
What I've noticed is
- Brightness adnustment problem
- i have to press atleast 10 times to to unlock the phone
- the battery automatically gets to 100% within few minutes and again it shows the real percentage(fluctuation)
Can someone plint me in the right direction
Thanks in advance
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hav0c977 said:
Tried few custom lollipop rom i use i have the same problem with battery. I'm not sure what is causing that. There is no issue of battery in kitkat rom(official).
What I've noticed is
- Brightness adnustment problem
- i have to press atleast 10 times to to unlock the phone
- the battery automatically gets to 100% within few minutes and again it shows the real percentage(fluctuation)
Can someone plint me in the right direction
Thanks in advance
[IMG="screenshots"]
https://drive.google.com/folderview?id=0B13gvX4z_U2_NGZwRGhWM2FCbmM[/IMG]
Click to expand...
Click to collapse
If you actually used any of AOSP-based ROMs, I could probably help you because you simply know what's not not working and what's buggy there... But with those stock-based hacks, god knows what can go wrong. Better ask on ROM thread than here in general Q&A.

Android 10 Update Bug Screen Flickering

Have a look at this ...
scary :laugh:
https://youtu.be/2K6OfvVCSus
My 835 did something similar the first "real" restart after Android 10 got installed, went on for ~20-25 seconds I would say, then I pressed the screen on/off button twice, all came back and I could unlock the SIM and continue ... hasn't happened since ... but was indeed scary
Marcher
I had the same problem too. Another reboot cleared it.
Didn't have this issue. But I noticed new battery settings and turned on the "protect battery" feature and now seemingly my sot has improved by a crazy amount I'm not sure if it's a bug.
The feature basically just makes it so your battery won't charge higher than 85%, and then when it says 100% after restart, it's the same as just 85% before. I can't post image for some reason, but I'm currently at 53 minutes of SoT and I'm still on 94%..
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Got the same issue randomly (twice since Update), thought itˋs Hardware(GPU) Problem. Iˋm going to do a Clean Android10 Install if i have the time to.

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