Learn how to find and use your iPhone UDID
Practical answers for iPhone and iPad owners who need a UDID for app testing, provisioning, device registration, or troubleshooting.
iPhone UDID guide
How to find your iPhone UDID
A practical guide to finding your iPhone UDID online in Safari, without connecting your device to a computer.
Read guideNo iTunes required
Get your iPhone UDID without iTunes
Find an iPhone or iPad UDID without iTunes, Finder, Xcode, a USB cable, or a desktop computer.
Read guideUDID basics
What is a UDID?
Understand what an Apple UDID is, why developers ask for it, and how it differs from serial numbers and IMEI.
Read guideFor testers
UDID for app testing and provisioning
Why iOS developers ask testers for a UDID and how to send the right device identifier for app provisioning.
Read guidePrivacy guide
Is it safe to share your UDID?
A practical privacy guide for sharing an iPhone or iPad UDID with developers, testers, and device services.
Read guideIdentifier comparison
UDID vs serial number vs IMEI
Compare UDID, serial number, and IMEI so you know which iPhone identifier a developer or support team needs.
Read guide