Galaxy tab 3 SM-T210 Problems with battery meter - Galaxy Tab 3 Q&A, Help & Troubleshooting

First sorry for the translation, I'm from Brazil and I'm using translator ok.
I come here asking for help to you to solve a major problem that is plaguing me, and the next have a galaxy tab 3, SM-T210 model, the following is happening and the battery meter this crazy carry the tablet 100% off when I turn on 10 minutes on the battery drops 1% to% the tablet works well for hours, and placed on standby screen off the meter starts back until you reach 100% and so continues the meter is completely crazy, already tried everything restored original factory hard reset, I root already used the battery calibration, practically already tried everything porfavor count on help from you to solve this problem, I'm waiting thanks.

Same problem here. Changed battery and problem remains.
I can use it with 1% for hours, seems some problem with battery meter. I'm about to flash a custom rom / bootloader/ recover from scratch wiping all to see if it helps.
Otherwise I'll need to use it at 1% forever
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Edit 1:
Absurd! Seems this device forgot the low battery level...
Replaced battery, flashed another stock clean rom with latest version (4.4.2)
This "drain" also happens on recovery screen.
It works with 1% during hours... I' ll try to let it drain all (wait it to really discharge all) and recharge 100% again.
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Edit 2:
Haha, went to recovery right after post last update, then it increased from 1% to 100% without the charger
Seems something is messing up with the battery levels on android OS on all versions. I'll let it discharge on recovery... at least seems it is the correct level... let's see if the device learns again the battery levels
-------
Solved: removed battery, hold power button for 30 seconds (to clear all energy accumulated on circuit (capacitors?!) and plugged it again. Worked.
I read about it on some google search.

Dear hugo_prado
i am Tarek from Syria
yesterday, i tried your idea
and it works
i am so happy
thank you so much
god bless you

Related

Problem with my battery

Hello I have a problem with the battery .. Loading up 50 percent and becomes 100%. Accordingly falls to 50% sometimes 70% .. I do not know what the problem Mildvild use rum. Tried to calibrate the battery was wiped battery status for recovery did not happen again .. Please help
Bonboniii said:
Hello I have a problem with the battery .. Loading up 50 percent and becomes 100%. Accordingly falls to 50% sometimes 70% .. I do not know what the problem Mildvild use rum. Tried to calibrate the battery was wiped battery status for recovery did not happen again .. Please help
Click to expand...
Click to collapse
Is this an old battery? With my old batteries I found the phone would go down to 20% or 15% as normal, then it would just turn off. I did some research with Google and learnt a bit about discharge rates and stuff... Then I downloaded a couple of battery calibration apps from Google Play and tried those. This one seems to be working OK for me (on MW v4.4) at the moment:
https://play.google.com/store/apps/details?id=es.chorrapps.calibrar&feature=order_history
Noiw my battery counts from 100 to zero, then the phone closes down, like it should.
thx for the answer but i think that this is because the battery is old .. I tried very calibrations, but none was going to try this ... thank you. :good: my battery is acting weird since I did root the phone and put a new rum

[Q] incorrect/missing battery usage information

Hi all,
Here is what happens.
I charge my phone (N7100, 4.1.2 stock rom, rooted) until it says "remove charger", I remove the charger, then I use it for say 20 minutes. When I reboot the battery usage counter resets and starts from zero. So I can only get the stats since boot.
Then I continue to use the phone for two hours, reboot it, and this time the counter shows one hour of usage, missing one hour
I continue to use it this way, then reboot it after 3 hours, this time the counter continues correctly from previous time.
There is no standard pattern I could make sense of (i.e. percentage, usage time). I never had this problem in my previous xperia ray wt. ginderbread. I bought this phone (N7100 international version) a week ago, updated when I saw the notification, then did a factory reset to start clean, rooted and flashed TWRP with note2 toolkit.
Everything else works a like a charm.
Thanks in advance for any opinion and forgive my English if I took a lot of your time to explain a simple problem.
Hi again,
I have found the exactly-same problem discussed and left unsolved last year in this thread in xda:
http://forum.xda-developers.com/showthread.php?t=1348438
The battery stats are not kept "across boots" as google describes in the function of batterystats.bin.
Should I wipe the battery stats in twrp after charging to 100%, or is there anything else I can try first?
(e.g. changing certain permissions or editing a file)
Any help will be appreciated.
It resets battery Stats whenever it reaches full.
You can try reseting it manually for once.
If your recovery has the option to do it, then it is very much outdated, I would recommend you to update to the latest ASAP.
Sent from my GT-N7100 using xda premium

The cause of Strange battery behavior + Random Restarts.

Hi, I just bought a used galaxy tab s 10.5 and the battery jump from 20 to 99% in 20 minutes when charging . I started using it at 100% and it shuted down for low battery in 30minutes and I power it on again a it said 75%. How do you thinks is going on with the tablet? Thanks and sorry for my bad english.
Do you know if it's rooted and has a custom recovery. Clear cache and fix permissions in recovery mode
No root
It is not rooted and it have stock recovery. Is there an app to reset battery stats?
MLopez14 said:
It is not rooted and it have stock recovery. Is there an app to reset battery stats?
Click to expand...
Click to collapse
try booting stock recovery and do a factory reset.if that don't work than look into rooting it and TWRP so you'll have the option to flash something else or clear the cache and fix permissions
done
I did the factory reset and the permissions fix thrught TWRP but the battery still crazy. What more can I do?
I got the tablet down to 0% battery, to the point that it wouldn't turn on.
Took off the back cover using prying tools and then disconnected the battery, power cycled thrice by holding and releasing power button and then reconnected the battery and let it charge overnight to 100% and now battery life is amazing, don't have those drastic drops anymore.
There are no warranty stickers torn etc involved with doing this so you don't have to worry about voiding it. Just take your time and start at the microsd slot, open the hatch and work your way around slowly. Its difficult first time around because there is adhesive glue as well as clips holding it down. But still very doable without damaging anything.
Here is a link to a battery calibrator for root users
https://play.google.com/store/apps/details?id=com.vitula.batterycalibration
There are other calibration apps
Definitely other options before taking it apart [emoji111]
..
I tried with the battery calibration app and nothing. I leave you a screenshot , thats is WHITHOUT any charge, when it shuted out I just turn it on again. What is indexservice?
OK after ready the links below I believe a debloated ROM could solve your problem
https://www.google.com/search?q=wha...google&sourceid=chrome-mobile&espv=1&ie=UTF-8
List of Roms
[emoji652]
http://forum.xda-developers.com/galaxy-tab-s/development
I will try a debloated rom because son process called index service is draining the 60% of my battery, but is rare that the tablet shuted down and when I tried to turn in on and it shuted down immediately for low battery, but and enter in recovery mode and leave it on with max brightness and it stay awake for 4 hours!! Even when twrp said that is has only 1%.
MLopez14 said:
I will try a debloated rom because son process called index service is draining the 60% of my battery, but is rare that the tablet shuted down and when I tried to turn in on and it shuted down immediately for low battery, but and enter in recovery mode and leave it on with max brightness and it stay awake for 4 hours!! Even when twrp said that is has only 1%.
Click to expand...
Click to collapse
Post back to let us know it is after a ROM flash
Can you post a full screenshot of your battery settings. You just posted the graph. Not sure about the index service, but knox drains battery too.
Had the same issue crop up on mine. Did the the battery 0% drain then recharge a few times. And factory format. Now it just randomly keeps restarting (even when on charge now). Called Samsung and they have sent a pack to post it to them to sort I hope.
Now with the debloated rom the crazy battery drops have stop but I'm having random restarts. What's is happening now?
I know it's a lot of work and getting frustrating but let's try Odin back to stock .
http://forum.xda-developers.com/showthread.php?t=2800372
Let's try back to stock. Thanks a lot for taking time to help me.
MLopez14 said:
Let's try back to stock. Thanks a lot for taking time to help me.
Click to expand...
Click to collapse
I'm on here all the time and when I get my devices the way I want them I just browse around trying to help with what I can .no problem and your welcome
...
Now with stock rom I still having random restarts and battery drops. I dont know what more to do and I dont have warranty.
I leave it all night on plugged in the charger and it didn't restart but when I started using it, it freezes up and restart.
Now it sounds like a kernel issue .I really dislike that cortex chip to

[Battery Problem] Battery drains super fast and device overheats

Hey there,
First of all im using android 6.0 and i took of the case.
Last week my device suddenly began overheating and discharging aproximaly 1 precent every 2 minutes . Its even discharging while connected to the charger.
Pretty sure it has nothing to do with battery itself because i tried 4 different original batteries which all work perfectly fine with a different device.
I also tried to factory reset with no help..
I had a few "breaks" from this problem and sometimes it dosn't discharges quickly but when i start to use it, it starts to discharge fast again...
Is there something i can check before i send it away to the company to check it?
Thanks in advance,
Rony.
U need a waklock detecter also stock info whats drianing the bat screen web wifi also u can try safe mode for a few hours to see if its in ure apps or atock system

Phone turns off randomly with low battery warning

Hello everyone! Recently my Note II started to behave differently. Whenever I charged it completely, the battery abruptly fell to sometimes 60% sometimes 40% immediately followed by low battery warning indication and shutting down. I tried changing ROM and calibrating the battery again but nothing worked. Finally I replaced the battery with a new one and also clean flashed another ROM in a hope to see if the problem is gone or still there. But to my surprise the problem is still intact. Now, when I turn on the phone the battery is 90% and when I keep using it, it drains normally, but as soon as I put it idle it turns off randomly. When I turn the phone back on the battery is still at the same percentage level at which is turns off. I believe there is not an issue with the battery. Please help me what to do, I am using TWRP recovery that doesn't gives the battery stats wipe option too. Should I flash a new ROM again? I would greatly appreciate if someone please helps me in sorting this problem.
What I have already done!
1. Replaced the battery
2. Changed the ROM
3. Re-calibrated the battery

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