Open your iOS device’s Settings app and navigate to Bluetooth.
On your DualSense controller, press and hold the Share button
(next to the D-Pad, with three lines radiating out from the top) and the PS button (in between the thumbsticks) at the same time. Hold them for at least three seconds, until you see the light bar flashing blue.
On your iPhone/iPad, under “Other Devices,” tap on your PS5 DualSense controller. Tap Pair.
PS5 CONTROLLER