Note8 stuck on System update error loop

[usercVNiWQVDgH]

Hey! I have had my phone note8 for 3 years now and have never had this problem before. This afternoon it shut off automatically and would not turn on. So I plugged it into the charger and it turned on a few times but would shut off directly.   

The big problem: 

Now my phone won't turn on if it's not plugged into the charger. And when I plug it and turn it on it's stuck on the ''System update error loop''. Please help me, I have done everything that I could find.

When I turn it on it goes to ''Installing system update'' and then it goes to this and I'm stuck nothing will happen I have done everything, cleared cache, recovery, etc.

online but nothing works. 

[usercVNiWQVDgH]

After flashing I changed the battery and the wireless charging flex pad and it worked... 

[MrQue]

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