I will describe exact steps to failure from last evening.
I normally connected drainded device to charger and turned on. Then update message appeared and i had to wait to 30%. On about 40% i started update process, device updated and rebooted. Afrer update, device had still around 40% battery. Then i turned off screen, but let device turned on and came sleep. In the morning, device was very hot and did not respond. Charger was medium hot, like its charging, but not in full power (its charger for my phone). I pulled it from charger. I tried to pres power button for at least 20 seconds, few times. I let it cool down and then long press again. Nothing. After that i connected it back to charger and after few time, i was able to turn it on and there was something like 3% of battery. Since this it looks like it works.
Is there some known issue with overheat and drain battery even on charger?
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