Two Trees Sapphire Pro Firmware Upd Better Jun 2026

Uses a faster STM32F407 controller. The screen interface and pinouts are different from v1.x boards.

Servo pin mapping wrong or firmware set to BLTOUCH without correct pin. Fix: In pins_MKS_ROBIN_NANO_V2.h , ensure SERVO0_PIN is set to PC6 or PB0 depending on wiring. Or simply enable BLTOUCH and Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN .

You can use official firmware or community-compiled versions of Marlin. TwoTrees Firmware Download two trees sapphire pro firmware upd

Visit the official Two Trees GitHub ( TwoTrees3D/Sapphire_Pro ) or use the community-maintained Marlin configuration. For V2.0 boards, you need:

If using the stock touchscreen, ensure you also copy the assets folder provided in the Two Trees configuration example so the icons load correctly. 5. Flashing the Printer Turn off your Sapphire Pro completely. Insert the MicroSD card into the motherboard slot. Turn on the printer. Uses a faster STM32F407 controller

Turn on the printer. The screen might remain black or show a loading bar for a few seconds. Do not power off the printer during this process, or you risk bricking the board.

Essential safety feature that prevents the printer from catching fire if a temperature sensor fails. Stock firmware often disables or poorly implements this. Fix: In pins_MKS_ROBIN_NANO_V2

Updating the firmware on the Two Trees Sapphire Pro is a relatively straightforward process. Follow these steps:

The MicroSD card must be cleanly formatted to FAT32 with an Allocation Unit Size of 4096 bytes .