

A "find-in-page" reveals this is a black 16 GiB iPhone 4S.

Next, we remove the "region" portion and everything after (the " LL/A" at the end) leaving us with " MC922".

The first letter is already " M", so we leave it alone. For example, let's say our model number is " MC922LL/A". To make searching this page easier, the first letter is always " M" and the " region" portion and everything after is removed (leaving us with the first five characters of the string). Currently, there are four known possible choices: The first letter in the model number represents the source of the device.
#APPLE TV VERSIONS SERIAL CODES SOFTWARE#
Depending on the software displaying the string, there may be a slash (" /") followed by a character. Afterwards is either one or two characters representing the " region" of the device's origin. This is followed by four characters between either "A" and "Z" or "0" and "9" (most commonly only digits). The model number of a device begins with a variable first letter representing the source of the device (replacement, engraved, etc. The model number of your device is located in the Settings app on the "General -> About" screen under "Model". This page is used to give an overview of the different model numbers (or "M" numbers) used by devices. IOS runs on various different models of devices.
