Tp Link Archer C6 V3.20 Firmware 2021 Jun 2026

Upgrading to the V3.20 firmware is a relatively straightforward process. Here are the steps:

Several users reported that IPv6 would work for 24 hours and then fail on v3.20. The latest firmware (builds ending in _20240911 or newer) resolve the DHCPv6 renewal issues with ISPs like Comcast, Jio, and BT. tp link archer c6 v3.20 firmware

The v3.20 firmware update resets the cloud certificate. Go to Advanced > TP-Link Cloud and re-login. If that fails, perform a 30-30-30 hard reset (30 sec power off, 30 sec reset button, 30 sec reboot). Upgrading to the V3