Updated September 15, 2017 Tap the “Settings” icon on your iPhone. Select the “General” option. Tap the “Bluetooth” button and move the switch to the “ON” position. Select the option to add a Bluetooth device from your computer or smart phone. Select your iPhone on the computer or smart phone from the list of available Bluetooth devices. Look at your iPhone’s screen. The iPhone will automatically generate a random Bluetooth passkey. This passkey is displayed in a box on your iPhone’s screen.

How to Locate a Bluetooth Passkey on an iPhone - 57