This is a tool to retrieve your iOS device's Udid Without iTunes!!
When prompted please install the profile.
You will need to open the Settings app to view the profile.
The profile isn't signed. There isn't a reason for it to be signed as the profile removes itself after pulling the UDID.
Tap the Get My UDID button when viewing this site on your iOS device in Safari.
Accept installation
of the OTA Profile.
Then you will be taken to a page that has your device's UDID, IMEI, Version, and Product. You will need to save that Information for your records!