Hard reset TP-LINK TL-WA730RE

Factory reset (Hard reset) Power ON your access point. Use a pin to press and hold the Reset button for around 5 seconds. When the System LED becomes quick-flash from slow-flash release the button. Wait about a minute until the router reboots to its factory default settings.
Firmware Firmware link
Default username admin
Default password admin
Default IP address 192.168.1.254