If a master reset is required, the reset button is located within the small cut-out as illustrated.

Carefully, using a fine object, press the reset button to perform the reset. You will know that this is done correctly as you will feel the reset button being depressed.

 

Insert pointer to master re-set button

Warning: DO NOT complete a Master Reset when the unit is in the process of completing a firmware update as this may damage your Fly12.