only tp-link.com , tp-link.com/in , and github.com/openwrt .

Before downloading anything, you must confirm you actually have the hardware version. TP-Link manufactures the Archer C5 in various iterations (V1, V2, V3, V4, V5), and the firmware for V2 will not work on V4.

Even after a successful , you may face hiccups. Here is how to fix them: