: It is strongly recommended to connect your computer to the router using an Ethernet cable
The bootloader has been locked or an unofficial firmware was flashed. Fix: Re-flash the official Utel L443 firmware using SP Flash Tool with the "Format All + Download" option (dangerous – will wipe IMEI if not backed up).
The router will automatically reboot once the update is complete.
Log in using the admin credentials found on your device's sticker.