: Never perform a firmware update over Wi-Fi. Use an Ethernet cable to connect your computer directly to the router to avoid connection drops that could cause permanent failure.
This is the most skipped step, yet it is the most important. D-Link often releases multiple hardware revisions (e.g., A1, B1, C1) for the same model. Firmware for one revision will destroy another. D-link Dsl-124 Firmware Update Download --BEST
reached its on March 31, 2024 . D-Link no longer develops new firmware for this model, and several unpatched security vulnerabilities exist, such as unauthenticated configuration disclosure . It is strongly recommended to replace this device with a supported model for better security . How to Find and Download Firmware : Never perform a firmware update over Wi-Fi