Yoga Tab 3 Pro powers off at 30% - Thinkpad Tablet General

I had a problem with my battery, but it turned out to be a hardware problem fixed on warranty. Removing potentially misleading posts. Any mod please delete this thread.

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Suddently it shuts down

While using it, even if it has 30-40% charge, the nexus 7 suddenly shut down, just black screen and nothing more. The only way to turn it on again is to connect it to the charger... is it a known issue?
Seems to be a "known issue" on a very small fraction of devices.
Don't know what the solution is; some suggest that most weird battery %charge / premature shutoffs are due to loose battery connector terminals.
I don't know what the solution is; but there are lots of posts on this topic - use the search features of the forum to find them. If you find a solution for your situation, post back in this thread with what worked for you and change your post title to include the text [SOLVED].
cheers

How to Fix DEAD BOOT/No Power?

Hi. i cant turn on my Galaxy Note 3 SM-N9005.. No sign of Power and Not detected in my computer.. i saw saw some threads about fixing it using SDCard but i cant understand those instructions..
Please i need your help guys..
i need the detailed info how to fix my Note 3..
Please!!!!!
Thanks in advance!
Did anything happen that could have caused this? Update, rooting, flashing, etc?
Did you check the battery? Is it flat or is it bend/bulged/has bubbles on it? Do you have a spare battery to test if it's simply dead? (they last about 300-500 charges on average)
What happens of you pull the battery for 30 seconds and plug it back in? Does it respond?
Sent From My Samsung Galaxy Note 3 N9005 Using Tapatalk
No power at all after pulling the battery and bring it back. No update, rooting, or flashing.
The battery is in good condition.
i really dont know what happen, some says it may be on dead boot state..

Deaed mi note 2

After a night i found my mi note 2 dead. it was charged 100%. now it do not respond to buttons, charger, laptop. nothing.
any ideas what happend to my phone? solutions ?
HELP SOS HELP
please
Look up closely, does you see some irregularities in its lines? Meaning, bumps, sudden change of colours, burnt marks. Smell it, do you sense some burn smell?
Try at least to boot it into fastboot state, press volume down and power. If ti is not respond, it may be a mainboard heavily damaged. Hope you have warranty still active.

ZUK Z1 bootloop problem

The problem with my ZUK Z1 is that I' cant keep the phone on for even 10 seconds, as soon as I plug the charger in it starts looping, I tried to go into the recovery but the problem is that is does boot in the recovery but again reboots and hence starts looping, I haven't found any solution regarding this, the phone only stays shut if the battery is drained or removed, as soon as I connect the battery the loop starts again.
Can anyone help me with this issue? If there is already a solution posted share the link.
Thank you.
akk\ said:
The problem with my ZUK Z1 is that I' cant keep the phone on for even 10 seconds, as soon as I plug the charger in it starts looping, I tried to go into the recovery but the problem is that is does boot in the recovery but again reboots and hence starts looping, I haven't found any solution regarding this, the phone only stays shut if the battery is drained or removed, as soon as I connect the battery the loop starts again.
Can anyone help me with this issue? If there is already a solution posted share the link.
Thank you.
Click to expand...
Click to collapse
There are several discussions within the Q&A section where your question belongs to https://forum.xda-developers.com/zuk-z1/help/zuk-z1-bootloop-t3881113
Just have a look there
I will try giving my 5 cents here, but please NOTE that im not an expert or even technician.
Like a month ago i got Zuk Z1 for free. It was completely dead unless connected to charger/usb and it would immediately start bootloop as you connect it. In short, it was battery in my case, and to be even more precise it was loose contact on a battery itself (manufacturer defect or just some stupid technician that damaged battery).
Also note that on these phone in order to see charging screen it first has to boot with Zuk logo and only then display charging screen. So if you have same symptoms on your phone it may be worth it to check battery.

Guyz need help rectifying my phone!!!

So here the deal guys , my mi 9t pro is about a 18 months old and recently started to have issues with battery life (long story and since I wasn't personally using it I can't explain the issues very clearly but it was all over the place doesn't charge at times verified the charger was indeed charging another phone , sometimes the phone turn off when the charger is connected so quite a lot of erratic faults and no consistent issue to point out )
I have been trying to look into it for a week now and this is my observations.
So first and foremost the phones does not turn on ,meaning that when just the power button is pressed it is stuck on the boot screen with just mi displayed on the screens and does not change at all even after hours.
I did find a way around it when I send the phone to recovery mode by pressing the volume+ and the power button and then selecting reboot and reboot to system. This way the phone always turns on . How long it remains on is a different matter some times it a few secs while at other times it could up to 10 mins and most of the time if its plugged to a charger and I disconnect the charger it immediately turns off.
Things that I have tried
Firstly, I had suspected the battery but on opening the rear cover realized that the previous battery looks in extremely good shape additionally I connected the new battery but connect the cable and realised that the fault persisted.
Thinking it was a software issue I also tried to flash the latest MIUI version from its official website with no help.
Now I am certain the issue is with the circuit or with the motherboard.
Any previous experiences and how it was fixed could be helpful .I don't mind doing some troubleshooting myself and can arrange for advance tools if required.
In short would appreciate advance level help as I enjoy fixing these things myself.
TL;Dr my phone is behaving quite erratically and having tried the battery and software need help repairing it.

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