The most current official firmware files are available through D-Link's technical support repositories:
⚠️ If your region is not listed, select the Global version or contact D-Link support. dlink dsl224 firmware update download link
– Use this to search by your specific hardware revision (found on the bottom of the device). Why You Should Update The most current official firmware files are available
Look at the sticker on the bottom of your router (labeled H/W Ver ). Ensure the firmware you download matches this version exactly. dlink dsl224 firmware update download link