You will see a loading bar or text indicating that the firmware is updating.
Format the card to with a 4096-byte allocation size . (The onboard bootloader cannot read exFAT or NTFS). Step 2: Copy the Files two trees sapphire pro firmware link
Note: Look in the "Firmware" folder for the .bin and assets files. TwoTrees3D Support Center You will see a loading bar or text
mks_pic : A folder containing the touchscreen user interface icons and assets. 2. Advanced Marlin Firmware for Sapphire Pro two trees sapphire pro firmware link
For maximum performance, many Sapphire Pro users migrate from Marlin to Klipper. Klipper utilizes a Raspberry Pi or similar single-board computer to handle complex CoreXY mathematics, allowing the Sapphire Pro to print at much higher speeds without losing quality.
Download the folder matching your exact Marlin version.