Steps:
- Get the iPA/build file.
- Change the file extension to zip (ex. app.ipa to app.zip). or create archive file and unzip.
- Unzip/unarchive the zip file.
- New directory Payload will be created.
- Open the Payload.
- Package file should be there with APP Name.
- Right click on the File, select the “Show Package Contents”.
9. Open the embedded.mobileprovision file in any text Editor.
10. find the key ProvisionedDevices. you should be seeing the list of UDID’s if you have added any
<key>ProvisionedDevices</key>
<array>
<string>xxxxxxxyyyyyyyzzzzz123333333333></string>
<string>xxxxxxxyyyyyyyzzzzz123333333333></string>
</array>