Sunlu T3 Firmware Update ^new^ -

John's curiosity was piqued, and he quickly logged into his Sunlu account to learn more about the update. After reading through the changelog, he decided it was worth updating. He downloaded the firmware file and prepared his T3 for the update.

. If the file has a long string of numbers or dates, the printer may not recognize it. Copy to SD : Move the firmware.bin file to the root directory of the SD card (not inside any folders). : Turn off your Insert Card : Insert the Micro SD card into the printer’s card slot. Sunlu T3 Firmware Update

| Problem | Likely Fix | |---------|-------------| | Screen stays blank | Wrong file name or board type – rename to firmware.bin and retry. | | Printer boots but version unchanged | SD card not FAT32, or file not on root. | | Touchscreen no longer works | You flashed a firmware without touchscreen support. Revert to previous version. | | Thermal runaway error | Your thermistor settings changed. Double‑check wiring and reflash correct version. | John's curiosity was piqued, and he quickly logged

: Use a microSD card formatted to FAT32 with an allocation unit size of 4096 . : Turn off your Insert Card : Insert