Every phone has a unique 15-digit number called an international mobile equipment identity. If you don't know your phone's IMEI number, you can ignore it.

If you want to use your phone with a different service provider than the one you're with, then you don't have to know your IMEI number. You have to know the IMEI number to complete the process.

The ME ID is the first 14 digits of the IMEI.

How to find the IMEI number on your iPhone using Settings

This is the first thing. If you want to know more about the settings, go to general.

There are two The serial number is on the device You can find the IMEI number by scrolling to the bottom of the page.

There are three. If you want to test the validity of the number, copy it by tapping and holding it, and then paste it into an Apple registration form.

An Apple support form, with the text box to enter the IMEI number highlighted.
Paste the IMEI number into an Apple registration or support form.
Stefan Ionescu

If the phone is signed in to your Apple ID, you can go to settings. You can see the device's IMEI at the bottom of the screen by tapping on it.

How to find the IMEI number on your iPhone using the Phone app

This is the first thing. You can open the phone app.

There are two The phone number is *#06#

The Phone app on iPhone, with *#06# dialed.
Dial *#06# in the Phone app.
Dave Johnson

The pop-up will have the phone number on it. You can Cancel on the pop-up if you copied the number somewhere else.

A pop-up on iPhone, with the IMEI number highlighted.
You’ll find the IMEI in the pop-up.
Stefan Ionescu

The pop-up might have other information besides the IMEI number, such as the EID. Don't get confused, and just write down the number.

How to find the IMEI number on your iPhone using the SIM tray

This is the first thing. Straighten a paper clip and look for a similar pin. Push it into the sim tray to get the tray to pop out.

There are two On the side of the sim tray, look for the IMEI of your device.

How to find the IMEI number for your iPhone using Finder on a Mac

Open Finder if you need to connect your iPhone to your computer.

There are two Click on the left side menu if you want to use your phone.

Below the device's name in the General tab, you can click on any of the info to find the IMEI number.

How to find the IMEI number for iPhone using iTunes

This is the first thing. Plug your phone into the computer by opening the app on your computer.

There are two There is an icon on the left side of the phone.

iTunes for Mac, with the iPhone icon highlighted on the top left.
A phone icon will appear on the top left when you plug in your iPhone.
Stefan Ionescu/Insider

There are three. Click Summary on the left side menu to reveal your phone number.

The iTunes computer app, with “Summary” highlighted on the left side menu, and the IMEI number highlighted on the right (after clicking on the phone number).
Clicking on your phone number will reveal the IMEI number.
Stefan Ionescu

How to find the IMEI number for iPhone behind its packaging

Did you keep the box with your phone? The IMEI is printed on the back of the card. To see it, you have to flip the package.

How to find the IMEI number if you don't have your iPhone with you

This is the first thing. You can sign in with your Apple ID in your browser.

There are two The left side menu has devices.

Click on the device you want to use.

There are four. You can find your device's IMEI by scrolling to the bottom of the pop-up.

A pop-up on the Apple ID website, with the IMEI number of an iPhone highlighted.
Your Apple ID page also has your device’s IMEI.
Stefan Ionescu