The router will reboot automatically. It is recommended to perform a factory reset after updating to ensure the new settings apply correctly . If you'd like to proceed, could you tell me:

In the world of networking, keeping your router’s firmware up to date is not just a recommendation—it is a necessity. For owners of the (a popular ADSL2+ modem/router combo), a firmware update can mean the difference between a stable, secure home network and one plagued with disconnections, lag, or security vulnerabilities.

, which lists version ME_1.20 as a common variant for that region. D-Link FTP Review of Update Methods

Before downloading, read the release notes. They will list: