@terziyski I'm using the TP-Link India site and when I select HW version v4, the site shows me FW for Archer C20(EU). I don't see a Archer C20 FW available on the site. However, I have another router...

Downloaded the latest firmware version Archer_C20_V4_181213 from the following link: https://www.tp-link.com/in/support/download/archer-c20/v4/#Firmware Tried to manually upgrade the firmware version...