Udid

Apple's limits on ad tracking and what they mean for us

By Rene Ritchie, Tuesday, Apr 2, 2013 a 1:43 pm

Apple has recently taken steps to stop developers tracking users via unique device identifies (UDID), and in the place provided new Advertising ID (AID) and Identifiers for Vendors (IDFV), and a way to limit their ability to track us. But... what does that all mean? Our own Nick Arnott wrote up an excellent overview for his day job, Double Encore:

Apple advises developers to stop accessing UDIDs, start supporting Retina and 16x9 by May 1

By Rene Ritchie, Thursday, Mar 21, 2013 a 11:50 pm

Apple has posted two new entries to their developer news page, the first warning developers they need to stop tracking people via UDID, and the second warning them they have to start supporting the double density Retina display, and 16x9 iPhone 5 and iPod touch 5 dip-lays, by May 1.

Apple, FBI comment on AntiSec hack, say no UDIDs were given or collected

By Rene Ritchie, Wednesday, Sep 5, 2012 a 1:23 pm

Apple has provided a statement regarding the recent release of over 1 million iPhone, iPod touch, and iPad unique device identifiers (UDIDs) by AntiSec, who claim to have hacked 12 million of them, including other personal information, from an FBI laptop.

12 million iOS unique device identifiers (UDID) reportedly hacked from FBI laptop

By Rene Ritchie, Tuesday, Sep 4, 2012 a 8:12 am

Over 12 million unique device identifiers (UDID), and related, personally-identifiable information, for iPhones, iPod touches, and iPads have reportedly been hacked from an FBI laptop using a Java vulnerability. AntiSec has released 1 million of the UDIDs as proof of the hack. They've also released the following about the hack itself:

Apple rumored to release their own app-tracking utility for iOS developers

By Simon Sage, Friday, Jun 8, 2012 a 5:14 pm

WWDC is right around the corner, and though we're expecting lots of iOS 6 news and maybe some Apple TV stuff, there's apparently going to be yet another goodie for developers at the show: a means by which devs can see how their customers are using apps all Big Brother style.

Apple is now rejecting apps that collect UDID without permission

By Simon Sage, Friday, Mar 30, 2012 a 10:35 am

The fine developers of Tweetbot have reported that one of their latest updates was rejected from Apple for collecting UDID information without getting user consent first.

How to find your Mac UDID for Mac App store beta testing

By Rene Ritchie, Thursday, Feb 2, 2012 a 10:24 pm

Trying to figure out just exactly how to find your Mac UDID so you can get in on an ad-hoc Mac App Store beta? Just like with iPhone and iPad, your Mac has a UDID (technically a Hardware UUID) that developers can use to send you app builds before they become publicly available. Luckily, it's easy to locate once you know where to look.

Siri security protocol cracked, now possible to run on any device

By chrisoldroyd, Tuesday, Nov 15, 2011 a 6:11 am

The guys from Applidium claim to have cracked Siri’s security protocol and it could open the floodgates to third party developers and of course other hardware too. There is a downside, in order to use Siri on one of these other devices; you still need to have a UDID of an iPhone 4S device. A UDID is a Unique Device Identifier and is a 40 character unique number assigned to every iPhone.

Apple removing developer access to UDIDs in iOS 5?

By Rene Ritchie, Friday, Aug 19, 2011 a 5:47 pm

Time was a developer could call the UDID (unique device identifier) for your iPhone, iPad, and iPod touch and do with it what they would, from beneficial things like keeping your data allocated to you, to evil things like tracking you and your behavior for advertising and giggles. Now with iOS 5 beta 6 Apple aims to make it no longer so.

Deprecated in iOS 5.0

uniqueIdentifier

An alphanumeric string unique to each device based on various hardware details. (read-only) (Deprecated in iOS 5.0. Instead, create a unique identifier specific to your app.)

Daily Tip: How to find a UDID or serial number of an iPad

By Allyson Kazmucha, Monday, Aug 15, 2011 a 10:48 pm

Trying to figure out where to find the UDID or serial number of There are many reasons you may need to look up your UDID, IMEI, or serial number of your iOS device. While earlier generations had the serial printed on the back casing of the device, many newer models don't. There are still several ways you can obtain this information both natively on your device or via iTunes.

Follow along to find out how.