As of 2025, the direct SapphirePro folder contains:
| Motherboard Model | Processor | Firmware Filename | Default LCD | | :--- | :--- | :--- | :--- | | | STM32F407ZGT6 | Robin_nano35.bin | DGUS (480x320) | | MKS Robin Nano V1.3 | STM32F407VGT6 | Robin_nano43.bin | DGUS (800x480) | | MKS Robin Nano V2.0 | STM32F407VGT6 | Robin_nano_v2.bin | TFT35 Touch | two trees sapphire pro firmware link
: A GitHub repository containing updated Marlin 2.1.x for the Sapphire Pro. As of 2025, the direct SapphirePro folder contains:
If that becomes unavailable, rely on the manufacturer’s download page. Avoid random firmware links from unknown forums—they may lack thermal safety protections. As of 2025
The most stable "out of the box" firmware comes directly from the Two Trees GitHub repository or their official site. TwoTrees3D/Sapphire-Pro