Two Trees Sapphire Pro Firmware Upd ((new)) -

Download your chosen firmware package. Your SD card root directory should look like this:

This guide covers everything you need to know to successfully update your Sapphire Pro firmware. Why Update Your Firmware? two trees sapphire pro firmware upd

The MKS Robin Nano is picky. Use a low-capacity card and ensure it is formatted correctly to FAT32. If you'd like to dive deeper into the setup: Download your chosen firmware package

Compensate for warped beds without extra hardware. The MKS Robin Nano is picky

Upgrading the firmware on your Two Trees Sapphire Pro is the most effective way to unlock better print quality, quieter operation, and essential safety features like thermal runaway protection. While the factory firmware is functional, most users transition to a custom Marlin build or Klipper to harness the full potential of the CoreXY motion system.