If the router was purchased "SIM-free" or unlocked from a retailer (non-ISP branded), it relies on the Middle East/Africa/Europe regional support pages.
Keeping your router’s firmware up to date is essential for security, performance, and stability. This guide will help you safely update the firmware on your router (UAE region variant). dir-853 et firmware update uae
: After the router restarts, log back into the web interface to verify that the firmware version has been updated. If the router was purchased "SIM-free" or unlocked