Ensure your router and computer remain plugged into a stable power source throughout the process. Method 1: Online Upgrade (Recommended)
A corrupted file or a browser cache issue. Solution: Do not unplug the router (yet). Clear your browser cache and cookies. Try accessing the router via 192.168.0.1 using an incognito/private window. If still stuck, you may need to perform a TFTP recovery (advanced method – see Tenda forums). tenda ac8 firmware update
Connect your computer to one of the LAN ports on the Tenda AC8 using an Ethernet cable. Ensure your router and computer remain plugged into