So I upgraded the firmware for my 4.2.2 with BL Touch Creality kit. I flashed the firmware and now you can't store settings in the EEPROM I get an error when I send a M500 to board eeprom not found. Maybe you should post the source code so we can compile and configure?

@yenals I'm having the same issue with setting as well sending an M500 command gives me an EEPROM error message.