Hard Reset TP-LINK Archer C50, how to - HardReset.info
Amazon.com: TP-Link AC1200 WiFi Extender (RE300), Covers Up to 1500 Sq.ft and 25 Devices, Up to 1200Mbps, Supports OneMesh, Dual Band Internet Repeater, Range Booster : Electronics
How to Hard Factory Reset the TP-Link AC1750 Router
How to hard reset TP-Link routers and wireless access points to factory defaults