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Which iPhone Do I Have? How to Identify iPhone Model

Here’s a guide on how to identify your iPhone model using the model number found on the outer casing of the device. Especially if you’re not dealing with iOS and iPhones all day, such as we are, it can get a little confusing when picking e.g. the right firmware update files or preparing to sell your device. There are moments in which you need to know: “Which iPhone do I have?”

Finding the model number

Visually similar models such as the iPhone 4 and iPhone 4S or the iPhone 5 and iPhone SE and of course the iPhone 6 and iPhone 6s are sometimes hard to distinguish without knowing the model number.

To be sure, simply check the back of your device and look for a tiny number that corresponds to the following format:

Model A[1234]

Note that we are not at all looking for the longer IMEI number, which is more of an unique identifier rather than a model signifier that groups together a bunch of technically identical devices. The model number typically consists of the letter A followed by four digits. Once you have the model number, identifying the actual iPhone model is a piece of cake.

Compare your model number to this reference list

Using the following list, you can determine which iPhone you have by simply comparing the model number on the back of your device with these:

  • A1203: Original iPhone
  • A1241: iPhone 3G
  • A1303: iPhone 3GS
  • A1332, A1349: iPhone 4
  • A1387: iPhone 4S
  • A1428, A1429: iPhone 5
  • A1456, A1507, A1526, A1529, A1532: iPhone 5c
  • A1453, A1457, A1528, A1530, A1533: iPhone 5s
  • A1549, A1586, A1589: iPhone 6
  • A1522, A1524, A1593: iPhone 6 Plus
  • A1633, A1688: iPhone 6s
  • A1634, A1687: iPhone 6s Plus
  • A1723, A1662, A1724: iPhone SE

If you need a little more information on your particular iPhone model, check out our history of the Apple iPhone.