If reconnect app is not on the switch screen, please wait 1 minute before trying any of the below steps.
If you still don't see anything on the switch screen, please reboot the switch with the air-gap tab. The air-gap switch is a small slider at the bottom of the switch. When pulled out (away from the wall) it disconnects electricity.
STEP 1: Pull out the air gap switch
STEP 2: Wait 10 Seconds
STEP 3: Push tab back into switch and let switch boot up.
See GIF below for guidance on the above three steps: