Hard reset TP-LINK Archer C3150 V2

Factory reset (Hard reset) Power on the router and locate the Reset button (hole) on its side panel. Press and hold (use a paper clip) for more than 5 seconds until all LEDs light on (wireless LEDs may not light on if the WiFi on/off button is off). Release the button and wait the router to reboot. Visit http://tplinkwifi.net to create a new login password.
Firmware Firmware link
Default username N/A
Default password You set it at http://tplinkwifi.net
Default IP address