invalid file format


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    New Mi Wifi Router 3 Shows "invalid File Format" Error When Trying To Restore.

    I have regularly taken backup of Mi WiFi Router 3 (Firmware Version: 2.10.42). When I tried to restore the backup, it shows "Invalid file format" error. The backup file is a tar.gzip file. I tried to restore the file by unzipping, but it doesn't work either. I am on Windows 10. Please suggest...