u/Civil_Psychology_907

Hello again. I bought a 4.2.7 motherboard from an Ender 3 and installed it on my CR10 so I could use SonicPad, but it's not working. I've tried loading the firmware.bin file many times, but it never changes to firmware.cur. In the printer list, I select the Ender 3 Pro 4.2.7 STM32F103, but it always fails when trying to load the firmware. Can anyone help me with this? Thanks...