Could you please refer to the below picture to connect the D+，D- ，GND and VCC(RED) to USB and then connect to your computer and then download the zip file: https://runcam.zendesk.com/attachments/token/Bo8PiQJpahdH12osZ6IeluJv3/?name=SplitMini_ReflashV1.0.zip
and then refer to firmware-reflash-manual.pdf to reflash your firmware.
As it is actually for RunCam 2, please:
- Don't click the link in step 1.
- In step 3, please hold the 'Mode Switch Button' in stead of 'WiFi button'.