How to connect IPhone using wifi in XCode

1. Open Xcode And go to -> Window
2. Then go to -> Device and simulators
3. Plug your device in to Mac using cable.
4. select device and check mark  connect via network.

How to find UDID of IPhone.

1. Launch iTunes & connect your iPhone, iPad.
2. Under Devices, click on your device.
3. Next click on the ‘Serial Number’
4. This should change the Serial Number into the UDID.
5. Choose ‘Edit’ and then ‘Copy’ from the iTunes menu.
6. Paste into your Email, and you should see the UDID in your email message.