What I would recommend is only to give your UDID to an app developer you trust, and to be cautious about the beta apps you agree to install (having your UDID won’t be enough for them to force software on to your device you’ll still need to accept the install). Some debate about this, and you’ll note in the screenshots below that I’ve hidden sections of my UDID to be on the safe side. How to find out your iPhone’s UDID: Is it dangerous to let someone know your UDID?

This is commonly used to let reviewers try out apps before they make it on to the App Store. (As anĪpp reviewer I’m occasionally asked for my Apple devices’ UDIDs.) With a relevant UDID, a developer can register your device and give it access to non-official (non-App-Store-vetted) software. The most likely situation you’ll need your iPhone’s UDID for is if an app developer has offered to let you try out some unreleased software. By clicking on Serial Number once, the prompt should change to display your UDID.How to find out your iPhone’s UDID: What do you use an UDID for?.On the next screen, a window should appear listing your phone’s Capacity, Phone Number, and Serial Number.Select your iOS device by clicking the device’s image located at the upper-left corner of iTunes’s UI.Open up the latest version of iTunes and connect your iOS device to your computer.Select your iPhone from the bottom part of the window, copy the Serial Number (you may need to add a dash (-) after the eighth digit in the serial number).Under the USB 3.0 Bus, you’ll see your iPhone between all the other USB devices connected to your Mac.

Before starting a beta of your own, you’ll first need to create an Apple Developer’s Account: Click here for a quick how-to! How to Find Your UDID with Mac UDID’s allow devs to assess how their apps perform on particular devices in a way that’s fast, painless and secure. Think of a UDID as your phone’s social security number: It’s used by developers to connect particular devices to a specific iOS Developer Account, allowing particular individuals to access and test exclusive content.ĭevelopers typically perform a closed beta before a major release to test the functionality iOS apps on different devices. Each iOS device has a UDID, or a Unique Device Identifier – a sequence of 40 characters that are unique to each individual device.

Convert serial number to udid