After update, SIM card not recognized. Solution: The HOT firmware resets radio bands. Go to Network Settings > APN . Set the APN to: mobily.sa (Username: mobily / Password: mobily ). Save and reboot.
Router restarts, but firmware version hasn’t changed. Solution: Clear your browser cache. The admin panel sometimes caches the old version number. Do a factory reset via the physical pinhole.
Before you start the update process, it's essential to check the current firmware version of your router. To do this: