Turn on Bluetooth on your iPhone
Put the PS4 controller into pairing mode by holding the Share button and the PS button together until the light bar flashes rapidly
Open Settings on your iPhone
Tap Bluetooth
Under Other Devices, tap DualShock 4 Wireless Controller
Wait for the controller to connect
Use the controller with compatible games and apps on your iPhone
To disconnect, turn off Bluetooth or unpair the controller from Bluetooth settings