Sunlu T3 Firmware Update Info

Insert the MicroSD card into the motherboard slot on the printer.

: Save your existing configuration or EEPROM settings if possible. Check Hardware Sunlu T3 Firmware Update

(Used when SD update not supported or using custom Marlin build.) Insert the MicroSD card into the motherboard slot

: Download the T3 32-bit firmware from the official Sunlu website . or the file was corrupt.

The flashing process was interrupted, or the file was corrupt.