Xiaomi mi 9 can't connect to wifi no mac address


Apr 28, 2021
I am strugglin with some issue connecnted with wifi and bt. Couple months ago the phone was crashed. My phone get damaged back cover and front camera (added photo). After the accident I replaced the damaged parts. Month after that I started to loose wifi and bt. When I tried to turn on wifi, system crashed and give info "system ui not respoding" after reboot it was fine. Now the wifi not work anymore as well as bt and I couldn't check mac adress of it.I tried to update firmware and downgrade it with no result. I am guessing that I could heat some parts in process of replacing back cover and damage some solder of motherboard.


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