I still get bootloops. (TWRP 3.4.2b-0623 by wzsx150 & stable 12.0.4.0. 20.7.9v12-10)
1. didnt mount anything extra (Data, Cache was mounted)
2. wiped everything (Dalvik/Cache, Data, Internal Storage, Cache)
3. format data
4. install from otc (did not copy to int. storage)
5. wiped...