put the controller on
press home button
to turn on the controller
LED
starts to rotate
press pair button
for 2 seconds to enter its pairing mode
LED
turns off for 1 second then starts rotating again
go to your Switch Home Page to click on Controllers, then click on Change Grip/Order
LED
becomes solid when connection is successful
controller will auto reconnect to your Switch with the press of home button
once it has been paired