Most iPhones share a similar design, so it’s not always easy to tell which model you own. This information is essential when shopping for accessories like cases or asking Apple for technical support. Here’s how you can find which smartphone is in your pocket.
To get started, launch the “Settings” application. If you can’t find the app, from the homescreen, swipe down on the phone’s display and use Spotlight to search for “Settings.”
Next, scroll down and tap on the “General” option.
Third, select “About” from the top of the list.
Now that you’re on the About screen, you can see the “Model Name” and “Model Number” of your iPhone.
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Source : How to Tell Which iPhone You Have
