How to upgrade COFDM relay or network port transceiver module

How to upgrade COFDM relay or network port transceiver module?

1. Prepare a formatted FAT32 Format Micro SD card.

2. Ask we offer you the correct version upgrade firmware.

https://drive.google.com/file/d/1BztD-7mMy1N0WT0gfG2-fTO-7WtKTte9/view?usp=sharing

3. Unzip the “update_image_xx_yy.zip” file and copy it to the root directory of the Micro SD card. Be careful to keep the directory structure unchanged (there is a flash folder in the root directory of the Micro SD card, which contains app and rootfs folders):

4. Insert the Micro SD card into board, power on and wait for the red light on the board to flash, indicating that the upgrade is successful:

Notatka:

Normalnie, the update will be completed within 30 seconds after power-on (the red light flashes). If the red light does not flash for a long time after power-on, please check the connection of the Micro SD and try again.

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