Download the verified firmware image file to your computer from a reliable source.

Once completed, the router will automatically reboot itself. Post-Upgrade Optimization

Click the , Apply , or Update button to begin sending the file payload. ⏳ Step 4: Post-Upgrade Verification

If you receive an "Invalid File" error, you may have downloaded firmware for a different hardware revision, or the file is still zipped. Unzip the download package to extract the raw firmware file before uploading. Restoring Factory Defaults

Before initiating the upgrade, complete these steps to prevent failure:

However, its widespread distribution by internet service providers, particularly in Egypt and TalkTalk in the UK, means many units are still in service.