Two Trees Sapphire Pro Firmware Upd Upd

Once successful, navigate to the project directory: .pio/build/mks_robin_nano35/ .

Ensure you downloaded the exact firmware for your motherboard version (e.g., v1.2 vs. v2.0).

– FAT32, allocation unit size 4096 bytes. Name the card TT32 (case-sensitive). two trees sapphire pro firmware upd

Before starting, identify your hardware version. Most Sapphire Pro units ship with the MKS Robin Nano motherboard, but versions (v1.1, v1.2, or v1.3) vary slightly in pin definitions.

Manually trigger the X and Y endstops with your finger while homing to ensure they stop the gantry. If the printer ignores them, turn it off immediately to prevent physical damage and invert the endstop logic in your configuration. Troubleshooting Common Issues Once successful, navigate to the project directory:

⚠️ Warning: Do NOT power off during the LED blinking. This corrupts the bootloader.

The printer did not recognize the file. Try renaming the file to Robin_nano.bin (if you didn't already), or try a different, smaller SD card. – FAT32, allocation unit size 4096 bytes

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

Which option?