Your firmware version is too old. I don't know much about this version. I suggest you upgrade your device to the latest version, which has more comprehensive functions. Did you follow the procedure below to upgrade the firmware?
Your firmware version is too old. I don't know much about this version. I suggest you upgrade your device to the latest version, which has more comprehensive functions. Did you upgrade the firmware according to the following process?
Your firmware version is too old. I don't know much about this version. I suggest that you upgrade the equipment to the latest version, with more comprehensive functions. Did you follow the following procedure to upgrade the firmware?