Этот пост на русском языке

Disclaimer: Maybe this problem is solved, maybe not. I’m watching it and try to keep it updated if something follows. The solution is in the end of this post and my tambourine dancing with all this crap is after this disclaimer.

About my phone

  • Xperia X Performance Dual
  • Model for Russian market, purchased in Russian Federation
  • Android 8.0
  • Firmware: 41.3.A.2.107
  • Magisk 19.3
  • TA partition backed up before bootloader unlocked
  • Stock kernel with injected copy of the TA partition and newer Magisk via Rootkernel V5.23 (this manual)

Good f*cking morning

My phone surprised me with empty battery in the morning. It didn’t even turn on the screen – it was just flashing with red LED on attempt to turn it on.