: Improved WPS security and fixed a specific issue where certain Huawei E3372h modems were not recognized after a reboot. TL-MR3420(EU)_V5_210820 (Published: 2021-08-26) Focus : Enhanced overall system stability . How to Update Your Firmware You can update your router using three primary methods: Method 1: Local Manual Upgrade (Recommended)
If you own a v5 (hardware version 5), Flashing the wrong version will destroy your router. tp-link mr3420 v5 firmware
⚠️ : Stock firmware disables USB tethering for some newer Android/iOS phones. If that happens, consider OpenWrt. : Improved WPS security and fixed a specific