Open the Parakey app and press the device you want to unlock.When the app indicates that the device is unlocked, rotate the cylinder to unlock the lock.Press down the handle to open the door.Related ArticlesDoor Handle – Installation InstructionsCylinder – Installation InstructionsCylinder – Technical InformationParakey Door Handle & Cylinder – LED IndicatorsWhat do the LED indicators on Parakey Door Handle & Cylinder mean?