Hard reset TP-LINK TL-WA701ND

Factory reset (Hard reset) With the AP powered on, use a pin to press and hold the Reset button on the rear panel for about 5 seconds. When the System LED becomes quick-flash from slow-flash release. Wait the AP to reboot to its factory default settings. PS. The System LED is located on the front panel and looks like a small gear wheel.
Firmware Firmware link
Default username admin
Default password admin
Default IP address 192.168.0.254 or 192.168.1.254