Performing a is the single most effective way to unlock new features, fix bugs, improve print quality, and add safety features like thermal runaway protection.
Whether you are fixing a bug, adding safety features, or preparing to compile Marlin 2.1.x, the process outlined above will keep your T3 humming smoothly. Remember: Always back up your original settings, never interrupt the power during a flash, and when in doubt, consult the Sunlu community forums. Sunlu T3 Firmware Update
Klipper runs on a Raspberry Pi (or old PC) and leaves the T3’s motherboard as a dumb motion controller. This allows for input shaping (printing faster with no ringing) and a web interface. Performing a is the single most effective way