New features of RunCam2-4K Firmware V1.2.4:

• 1. Fix 1080p120fps video recording crash.
• 2. Fix the bug of serial port control osd.
• 3. Fix 2.7k screen broken.

New features of RunCam2-4K Firmware V1.2.2:

• 1. Add the UART Function and support INAV and Betaflight.

New features of RunCam2-4K Firmware V1.2.1:

• 1. Optimize CVBS latency in photo mode.
• 2. Fix the bug of screen flip in webcam mode.

New features of RunCam2-4K Firmware V1.2.0:

• 1. Support NTSC/PAL system switching.
• 2. Support the function of saving video when power off.
• 3. Adjust TV-OUT saturation.
• 4. Adjust the sharpness of 4K@30 FPS.
• 5. Fix some known bugs.

• HOW TO UPDATE?

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)
• 1. After downloading the firmware, unzip the downloaded file, find the RC2-4K.BRN file and copy it to the root directory of the microSD card. The firmware name should be confirmed as RC2-4K.BRN.
• 2. Disconnect from the computer, powering the camera via the mobile charger. And then turn on the camera with the micro SD card inserted. The camera will automatically update the firmware.
• 3. The orange light will blink during the update.
• 4. After about 2-3 minute, the camera will automatically shut down, the upgrade has completed.