Click on or 固件升级 (Firmware Upgrade) . 3. Flash the New Firmware Click the "Choose File" or "Browse" button. Select the downloaded English .bin file. Click the upgrade button.
When you first boot the router, you will see a single text box.
: This is the most critical step. TP-LINK produces multiple versions of its routers (e.g., V1.0, V2.0, etc.), and firmware is rarely interchangeable. Using a firmware version that doesn't match your hardware can "brick" (destroy) your router . Look on the sticker on the bottom of your router for "Ver: X.X". The TL-WDR7660 Gigabit Edition is known to have at least a V1.0 version.