Go to Settings > General > About. To the right of "Model Number", you can see the Device Number (M number).
To see the the Model Number (A number) tap on the device number.
On the outside of your device
On an iPhone 8 or later, to find the Model Number (A number), remove the SIM tray and look in the SIM tray slot. Make sure that you're in a well-lit place to assist with reading. The model number is written on the side with the display.
On an iPhone 7 or earlier, an iPad, or an iPod Touch, you'll find the Model Number (A number) on the back of your device.
Where do I find the model number on my MacBook? X
On my device
Find the serial number, EMC number and model number printed on the underside of your Mac near the regulatory markings. It's also on the original packaging
next to a barcode label. EMC is the most accurate number to compare with our list as it takes into account the year of your device.
The original packaging might also show an Apple part number such as MNYF2xx/A ("xx/A" is a variable that differs by country or region and is not included on our
list so can be disregarded)."
Use System Information
Go to Apple icon > About this Mac > System Report. It will automatically be selected on the hardware tab (left side). To the right, the model name and model
identifier will be written on the first two lines."
Where do I find the model number on my Apple Watch? X
To find out what model watch you have, turn your watch on
1. Navigate to Settings > General > About
2. Next to model, it will show you the model number (A number)
3. Tap the model to see the device number (M number)
4. Compare your model number to our list
On my device
On the underside of your watch, you will see writing around the magnetic charging dome. You will be able to see the Watch series (e.g. Series 1),
the Watch size (e.g. 42mm), the Watch type (GPS or GPS+LTE) and on some devices the serial number.
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