Sunlu T3 Firmware ^hot^ -

(also known as the "Terminator 3") is often described by enthusiasts as an "Ender 3 clone" with some significant "under the hood" quirks, making a firmware update one of the most recommended first steps for new owners. 🏆 Top Recommended Resource

Common Flashing Failures:

• Screen stays stuck on the boot logo: Wrong board type. You flashed Creality firmware on a Sunlu board or vice versa.
• No change after reboot: The SD card is too large, or you didn't rename the file correctly. Also, try a different SD card; some brands are incompatible with the bootloader.
• Printer beeps constantly: The EEPROM is corrupted. You need to send an M502 followed by M500 via Pronterface, or re-flash.

Where to Find Official Sunlu T3 Firmware

Sunlu is not famous for its software support. Their official download page is minimalist. sunlu t3 firmware

is a capable "Ender 3 clone" out of the box, the stock firmware often limits the hardware's potential. Updating can provide: (also known as the "Terminator 3") is often

// Thermistor #define TEMP_SENSOR_0 1 // 100k NTC Screen stays stuck on the boot logo: Wrong board type

// BLTouch (if used) #define BLTOUCH #define AUTO_BED_LEVELING_BILINEAR

For the stock screen (DGUS): You must enable DGUS_LCD_UI_RELOADED. The T3 uses a 12864 emulation mode, not the fancy touch UI.