Hard reset TP-LINK TL-WDR4300

Factory reset (Hard reset) The reset button is located on the rear panel and it is labeled WPS/Reset. Power ON the router. To enable the reset function you need to push the button and hold for about 8 seconds. Release when the SYS LED starts flashing faster than it had before. Wait for a minute for the router to reboot. PS. The SYS LED is on the front panel – second one from the left.
Firmware Firmware link
Default username admin
Default password admin
Default IP address