If your S8 is still on stock firmware, you don’t own a 3D printer—you own a loud, dangerous kit. Upgrade it. Write your own resurrection story.
The LCD flickered, went blank for 3 seconds—an eternity—then rebooted. sunlu s8 firmware upgrade
glowed on the screen. Part 4: The Resurrection Leo ran the first test: M303 (PID autotune). The hotend sang a steady rhythm. The bed followed. No errors. If your S8 is still on stock firmware,
Using (or avrdude via command line), he connected to the S8 via USB. Selected: Marlin.hex . Clicked "Flash" . sunlu s8 firmware upgrade