How to Find UDID of iOS Device

UDID, short for Unique Device Identifier, is a 40-digit serial number that is associated with every iOS device. The main purpose of iPhone UDID is that the developers registered with Apple can list up to 100 unique devices to test their apps, and they list these permitted devices by listing their UDIDs. It is easy to find the UDID with iTunes, but there are ways for the users to find iPhone UDID without iTunes as well. This article will provide a little help for all the users who want to find the iPhone UDID without iTunes, and it will introduce several helpful solutions for you to find UDID without iTunes.

• Part 1. Why UDID is Needed?
• Part 2. Advantages of UDID for Developers
• Part 3. How to Find UDID with iTunes
• Part 4. How to Find UDID Easily without iTunes?

Part 1. Why UDID is Needed?

As discussed above, Apple only allows the apps approved by them to be available in the App Store. For the developers, the UDID can help them to collect the users' statistics, so that the developers can test their apps. For the casual users, the UDIDs on their iOS devices don't mean anything when the characters are independently listed. But when the users are downloading apps from the App Store, these UDIDs can be associated with the personal information in the database. Therefore, Since iOS 5.1, Apple starts to reject the apps which track the UDIDs of iOS devices.

Part 2. Advantages of UDID for Developers

The most interesting part is that UDID itself doesn't mean anything, but it can be very important for the app developers. This part will introduce several advantages of UDID for the developers.

Advantages of UDID for Developers

• App developers can use UDID to track down the stastics of the apps.
• The add companies can use the UDIDs to target advertisements while you are using apps.
• The developers can use these UDIDs to test their apps before uploading to App Store.
• With the UDIDs the developers won't get access to the private data of the users.

Part 3. How to Find UDID with iTunes

If you are curious about the UDIDs on your iOS devices, you'll be able to take advantage of iTunes to find your UDID. This part will show you how to do that.

How to Find UDID with iTunes

Step 1. Connect your iPhone to computer with the USB cable, and iTunes will start automatically. If not, you'll need to manually start it.

Step 2. iTunes will display an iPhone icon at the upper left corner. Click the iPhone icon and choose Summary in the left sidebar.

Step 3. You'll see the information of iPhone in the right part of the window. Click one category like serial number, and the different info will show up. You'll find the UDID easily.

Part 4. How to Find UDID Easily without iTunes?

If you don't use iTunes at all, and want to find your UDID, you'll still have a way. You can take advantage of online UDID finder website to get the work done, and this part will introduce how to find UDID without iTunes in detail.

How to Find UDID Easily without iTunes

Step 1. Open Safari on your iPhone or iPad, and pay a visit to udid.io. After entering the site, you'll see the Tap to find UDID option

Step 2. Tap the button, and the site will ask you to install the Get Your UDID plugin. Install the plugin to your iPhone or iPad.

Step 3. After installing the plugin, you'll get the UDID in the site.

So that's how you can find UDID on iPhone without iTunes easily with an online UDID finder website. If you want to use this UDID, you are allowed to send it via email.

When comparing the two solutions, finding your UDID with iPhone directly is an easier process than using iTunes. By learning about UDID with this article, you may have known how important it is to handle your iOS devices.