Two Trees Sapphire Pro Firmware Upd Jun 2026

| Symptom | Likely cause | Solution | |---------|--------------|----------| | Screen stays blue >2 min | Wrong .bin name or wrong board target | Rename file correctly; recompile for your MCU | | Printer beeps repeatedly | SD card not FAT32 | Reformat, use 8GB card if possible | | Old version still shown | Bootloader skipped update | Clear SD card, keep only one .bin file, retry | | Touch screen icons missing | LCD firmware mismatch | Flash DWIN LCD firmware separately |

Which option?

To update the firmware, you will need:

Don't reflash! Open your mks_config.txt file on the SD card, find the INVERT_X_DIR or INVERT_Y_DIR settings, change them from 1 to 0 (or vice-versa), and reboot. two trees sapphire pro firmware upd

If you are comfortable with basic coding or following YouTube tutorials, updating to is the single best upgrade you can do for the Sapphire Pro. It fixes the noise issues and makes the printer safe. | Symptom | Likely cause | Solution |