Sunlu T3 Firmware Update Better Best -

More control over baby-stepping and live Z-offset tuning. Understanding Your Options: Stock vs. Custom

Open the bottom panel to confirm your board version (usually listed on the PCB). sunlu t3 firmware update better

Your hotend and bed heating behavior will change. Run a PID tune to ensure stable temperatures. More control over baby-stepping and live Z-offset tuning

If you want the absolute "better" experience, moving to Klipper (via a Raspberry Pi or Sonic Pad) is the gold standard. Klipper offloads the processing power from the printer's 32-bit board to a more powerful processor, allowing for even higher speeds and much easier configuration changes. Step-by-Step: How to Update the Firmware Your hotend and bed heating behavior will change

Reduces ghosting and ringing at high speeds.

If the update enabled higher speeds, ensure your physical hotend can keep up with the flow rate. You may need to increase your printing temperature by 5–10°C.