Always use an Ethernet cable to connect your computer to the router during the update. Upgrading over Wi-Fi can cause the device to become inoperable if the connection drops.
Updating firmware is safe, but only if you follow the rules. Here is your pre-flight checklist: dlink dsl224 firmware update download link
Download from the D-Link Southern Africa Portal under the "Downloads" tab. Always use an Ethernet cable to connect your
If D-Link no longer supports the DSL-224 (end-of-life), consider: consider: No. However
No. However, a new firmware might optimize SNR (Signal-to-Noise Ratio), potentially increasing sync speed by 1-2 Mbps on long phone lines.
Before searching, check the label on your DSL-224. Look for: