: A firmware update may reset your router to factory defaults. Go to the router's interface and find the Backup/Restore option to save your current configuration. 4. Perform the Manual Upgrade How to upgrade the firmware on your D-Link router

Try resetting your router to factory settings by holding the "Reset" pinhole for 10 seconds.

D-Link DSL-124 , the best and most secure way to download firmware is through official regional support portals, as firmware is often region-specific (e.g., Middle East vs. Africa). You must identify your (e.g., R1, I1, T1) located on the sticker at the bottom of your device before downloading, as using the wrong version can damage the router. Official Download Links The best link depends on your specific hardware and region:

: Look at the sticker on the bottom or back of your router.