Sometimes a two trees sapphire pro firmware upd introduces instability (rare, but possible). To revert:
Always keep a copy of your working firmware on your PC. two trees sapphire pro firmware upd
To update the firmware, you will need:
Touchscreen stops working after custom firmware: Sometimes a two trees sapphire pro firmware upd
Thermal Runaway Error:
This is the most common method for modern Sapphire Pro units. Always keep a copy of your working firmware on your PC