Apple Begins Transition to Randomized Serial Numbers With Purple iPhone 12
MacRumors previously reported about Apple's plan to switch to randomized serial numbers for future products starting in early 2021, and this transition has now started with the new purple iPhone 12 model in multiple countries.

With assistance from Aaron Zollo, host of the YouTube channel ZolloTech, we can confirm that the purple iPhone 12 released last month has a new 10-character serial number format, compared to the usual 12 characters for most other Apple products. Apple previously said its randomized serial numbers would initially be 10 characters long, so the purple iPhone 12 appears to be the first Apple product with a randomized serial number.
The change likely extends to the purple iPhone 12 mini, but we've yet to confirm this. On the contrary, the randomized serial number format does not appear to apply to the AirTag at this time, with multiple MacRumors editors and others we've spoken to still seeing 12-character serial numbers for the item tracking accessory.
It remains to be seen if the new iMac, iPad Pro, and Apple TV have randomized serial numbers when they launch in the second half of May.
In a memo obtained by MacRumors in March, Apple said products already shipping at that time would continue to use the company's previous serial number format, which has for years allowed customers and service providers to determine the date and location that a product was manufactured. The first three characters represent the manufacturing location, the following two characters indicate the year and week of manufacture, and the last four characters reveal a device's model, color, and storage capacity.
The new serial number format will consist of a randomized alphanumeric string of 8-14 characters (10 characters initially) that will no longer include manufacturing or configuration details, according to Apple's memo. Apple advised authorized resellers to prepare for the transition to the new format ahead of its "Spring Loaded" event last month.
Popular Stories
Apple's iPhone 17 Pro and iPhone 17 Pro Max models will feature a number of significant display, thermal, and battery improvements, according to new late-stage rumors.
According to the Weibo leaker known as "Instant Digital," the iPhone 17 Pro models will feature displays with higher brightness, making it more suitable for use in direct sunlight for prolonged periods. The iPhone 16 Pro and...
Apple is expected to unveil the iPhone 17 series on Tuesday, September 9, and last-minute rumors about the devices continue to surface.
The latest info comes from a leaker known as Majin Bu, who has shared alleged images of Apple's Clear Case for the iPhone 17 Pro and Pro Max, or at least replicas.
Image Credit: @MajinBuOfficial
The images show three alleged changes compared to Apple's iP...
Apple will launch its new iPhone 17 series this month, and the iPhone 17 Pro models are expected to get a new design for the rear casing and the camera area. But more significant changes to the lineup are not expected until next year, when the iPhone 18 models arrive.
If you're thinking of trading in your iPhone for this year's latest, consider the following features rumored to be coming to...
Just one week before Apple is expected to unveil the iPhone 17 series, an analyst has shared new price estimates for the devices.
Here are J.P. Morgan analyst Samik Chatterjee's price estimates for the iPhone 17 series in the United States, according to 9to5Mac:
Model
Starting Price
Model
Starting Price
Change
iPhone 16
$799
iPhone 17
...
An iPhone 17 announcement is a dead cert for September 2025 – Apple has already sent out invites for an "Awe dropping" event on Tuesday, September 9 at the Apple Park campus in Cupertino, California. The timing follows Apple's trend of introducing new iPhone models annually in the fall.
At the event, Apple is expected to unveil its new-generation iPhone 17, an all-new ultra-thin iPhone 17...
Apple is preparing to release iOS 18.7 for compatible iPhone models, according to evidence of the update in the MacRumors visitor logs.
We expect iOS 18.7 to be released in September, alongside iOS 26. The update will likely include fixes for security vulnerabilities, but little else.
iOS 18.7 will be one of the final updates ever released for the iPhone XS, iPhone XS Max, and iPhone XR,...
A new survey has found that nearly seven in ten iPhone owners in the United States plan to upgrade to an iPhone 17 model, signaling strong demand ahead of Apple's expected unveiling of the devices at its September 9 keynote.
Smartphone price comparison platform SellCell surveyed over 2,000 U.S.-based iPhone users in August to assess upgrade interest and brand loyalty before Apple's event....