Method 1 (recommended): Update the firmware through App.
It Requires Android App V1.9.0+/iOS APP 1.3.5+
Method 2: the classic method (manually copy the firmware file onto the SD card).
Firmware Upgrade（It would be better to upgrade when the battery is fully charged）
- After downloading the firmware, unzip the downloaded file, find the RUNCAM3.BRN file and copy it to the root directory of the microSD card. The firmware name should be confirmed as RUNCAM3.BRN.
- Turn on the RUNCAM 3 with the micro SD card inserted. The camera will automatically update the firmware.
- The Orange light blinks slowly while the firmware is upgrading.
- After about 1 minute, the camera will automatically shut down, the upgrade has completed.