Unplug the router for 10 seconds. Hold the reset button while plugging it back in (keep holding for 15 sec). This enters emergency recovery mode. Then, re-upload the firmware via the TP-Link recovery utility.
Unplug the router for 10 seconds. Hold the reset button while plugging it back in (keep holding for 15 sec). This enters emergency recovery mode. Then, re-upload the firmware via the TP-Link recovery utility.

Unplug the router for 10 seconds. Hold the reset button while plugging it back in (keep holding for 15 sec). This enters emergency recovery mode. Then, re-upload the firmware via the TP-Link recovery utility.