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Samsung Galaxy Tab 3(all models) battery problem solution

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By Nikhil Singh, Junior Member on 16th May 2014, 03:43 PM
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Hey guys any of you have problem with your galaxy tab 3 battery.I've got this problem with my galaxy tab 3 sm t211 (quick battery drainage). Symptoms would be your 100% charged tab would go down to 0% in unusual shorter time ( like 2-4 hours). You put it on charger and tab would be charged back to 100% again in substantial short time like 2-3 hours instead of 6-7 hours.

Well, after looking at this issue I think I have come up with solution.
At least, my tab looks like it's back on track... though, to say for sure I would need another couple days of testing.

The problem is not runaway wild application on a background but battery control circuit. This chip reports to OS much smaller battery capacity as it is for some reason. I will not go into details but here is what you need to try:

Flash stock kernel (may be custom kernel is not the reason for bad chip calibration and I'm 90% positive but just to be on safe side). You don't need to do factory wipe in OEM recovery for our purpose.

You also don't need to wipe batterystats.bin or use "Battery Calibration" apps from market (which does exactly the same wipe just in more end user friendly way). This wipe serves no other purpose then refreshing your usage statistics.

You also don't need to drain your battery all way down... nice, this way you don't have to wait for too long.

Well, here we go:
1.Drain your tab battery upto 2 %
2.take a old credit card and start to pull of back cover
3.start from the edges and pull the side bezel that is all around
4.that way your bezels will be pulled that is attached to back cover
5.You will see the area where the battery is attached to device that is at the bottom
7.deatach it using big screw driver when you will pull off the wires which are very tiny in size the black connector will also come of
8.deatach and leave it for 12 minutes
9.place the back cover in place
10.Charge the device fully and it can take upto 5 to 6 hours

Thats it your Galaxy Tab is alright and working perfectly now

Note:1.i will note be responsible is you broke your tab or if anything goes wrong that should note be if you do it carefully
2.if you dont no how to deatache your battery from device from above steps then search on youbtube:"how to replace galaxy tab 3 battery"(the tutorials will be for replacing your battery but dont replace battery just deatach by watching the video)

Click thanks button if I helped
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22nd March 2015, 02:24 AM |#2  
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Prompt i feeling the same problem on Tab 3 - SM-T211 device
I will try what you suggested and lets see because battery calibration did not help me to come out to the problem .
9th December 2016, 01:51 AM |#3  
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Thank you for the advice. It helped me to calibrate the battery stats. But I have other more serios problem, not too bad, but very nagging and upsetting. What happens is that my tabet takes practically half a day for charging up the battery. It takes like 12 or more hours to charge up from 0 to 100%. I have tried unplugging the battery as you explained many times, also draining it, but nthing changes. And even worse it is when I'm just plugging my device after totally drained the battery, so when I try to boot my device it may boot up, when it does, after one minute it's turning off because of a suposedly 0% battery. Really I might get either that 0% or 1% battery, but after a minute when I just plug it in and boot up, it may turn off even though I turned off the sceen inmediately.

I think. the problen is maybe on the battery or in the USB port, I have tested many USB cables, many chargers, charging from my PC, but the problem keeps going an and on and on. I would like to know why this problems is happening, if I could fix it up by myself, for instance by replacing the battery or the USB port. This device was a gift, and since I got it I was dithering whether it was normal or not, but by asking soome mates and reading your post I realize that this is not normal.

Hope you read this quick reply. Many thanks for your advice and giving me advice on what and how I should do...
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