Sunlu T3 Firmware Update Better Jun 2026

You can adjust build volume limits (from 220x220 to the physical 235x235) and tune acceleration for faster prints. Official vs. Custom Firmware There are two main paths you can take:

If you use a BLTouch or the stock inductive sensor, updated firmware provides more granular leveling meshes (e.g., 5x5 instead of 3x3). Enhanced Speed and Precision sunlu t3 firmware update better

Insert the card into the powered-off printer. Turn the printer on. The screen may stay blank for 10–30 seconds— do not turn it off. You can adjust build volume limits (from 220x220

Often considered the best firmware for the Ender-3 V2/S1 platform (which the T3 clones). Enhanced Speed and Precision Insert the card into

: Check the "About Printer" menu. If the filename on the SD card changed to firmware.CUR , the update was successful . A Note on Custom vs. Stock