Hard reset TP-LINK AC900 / Archer C900

TP-LINK AC900 / Archer C900
Factory reset (Hard reset)

Press and hold the Reset button on the back until the Power LED blinks to reset the router to its
factory default settings.

Firmware Link to support
Default username N/A
Default password You set it at http://tplinkwifi.net
Default IP address 192.168.0.1