Sunlu T3 Firmware Update [top] Jun 2026

: Expands the Automatic Bed Leveling (ABL) to a more precise 5x5 grid.

The T3 uses a touch screen (TFT) or a knob-style LCD depending on the batch. Sunlu T3 Firmware Update

Once the main menu appears, the update is complete. You can verify the version in the or About menu. : Expands the Automatic Bed Leveling (ABL) to

: Turn the printer on. The screen will remain blank for about 15–30 seconds while it flashes the new code. : Once the main menu appears, go to About Printer to verify the new version number. Printables.com Important Post-Update Steps Reset EEPROM : It is highly recommended to go to Configuration > Restore Defaults Store Settings You can verify the version in the or About menu

You cannot successfully perform a Sunlu T3 firmware update without knowing exactly which motherboard and screen you have. Sunlu has produced multiple revisions of the T3.

The Sunlu T3 (also known as the Terminator T3) is widely regarded as an Ender 3 clone that utilizes a 32-bit control board similar to the BTT SKR Mini E3 V2. Updating its firmware can resolve common issues like Z-axis "squashing," optimize "Fast Print" performance, and enable advanced features such as improved Automatic Bed Leveling (ABL).