New features of RunCam Firmware V3.9
1. Fixed some error for pwm.
2. Fixed some error for video recording


HOW TO UPDATE?
Method 1 (recommended): Update the firmware through App.
It Requires iOS App v1.3.0 + | Android App v1.8.0 + and the current firmware version of the camera needs to be>= V2.1.
Method 2: the classic method (manually copy the firmware file RunCam2.BRN onto the SD card and keep the battery level above 50%).
1. After downloading the firmware, put it under the root directory of micro SD card.
2. Turn on the RUNCAM 2 with the micro SD card inserted. The camera will automatically start checking the firmware (no need to do any key operation).
3. When the orange light blinks slowly, the camera is updating.
4. After two minutes, the camera will automatically shut down. The update has completed.