device : i9305 aka Samsung S3 4G
Bootloader : TWRP twrp-3.0.2-1-i9305.img (Installation with this older twrp because i am unable to perform with the last twrp.)
ROM : e-0.7-n-2020011537651-dev-i9305
Installation : Ok
Error (MTP failure) but i can pass this
I am only with wifi.
When i lock the screen or the screen go to sleep mode, some second after the device just get a hard poweroff.
What other information need you? Any log event to send you?
With a lineage 16.0 i didn’t have this behavior.