iOS based devices such as iPhone or iPod have a unique device identifier, also known as UDID. This identifier is composed of a combination of 40 numbers and letters which identify your device. In order to try out your app in beta phase, you will need UDID of your iPhone.
Follow the below mentioned steps to find your iPhone’s UDID:
Your device’s UDID may look like this:
If you are still not able to find your iPhone’s UDID, get in touch with us at firstname.lastname@example.org and we will assist you.