How to Check Your iPhone IMEI: What It Is and Why It Matters

Every iPhone carries a unique identifier baked into its hardware — the IMEI number. Knowing how to find it and what to do with it can tell you a surprising amount about your device's history, carrier status, and legitimacy. Whether you're buying a used iPhone, troubleshooting a network issue, or reporting a stolen device, understanding your IMEI is a practical skill worth having.

What Is an IMEI Number?

IMEI stands for International Mobile Equipment Identity. It's a 15-digit number that uniquely identifies your iPhone on mobile networks worldwide. Think of it as your phone's serial number, but specifically tied to cellular hardware rather than the device as a whole.

No two active iPhones share the same IMEI. Carriers use it to register devices on their networks, and law enforcement agencies use it to flag stolen phones through international databases like the GSMA's IMEI blacklist.

A few important distinctions:

  • Dual-SIM iPhones (models from iPhone XS onward in some regions) have two IMEI numbers — one for each SIM slot or eSIM.
  • The IMEI is different from your iPhone's serial number, which Apple uses for warranty and repair tracking.
  • Some older devices show an MEID instead of an IMEI — this is a related identifier used in CDMA networks, though modern iPhones typically display both when applicable.

How to Find Your iPhone IMEI 📱

There are several reliable methods, and which one works best depends on your situation.

Method 1: Through iPhone Settings

  1. Open the Settings app.
  2. Tap General.
  3. Tap About.
  4. Scroll down to find IMEI (and IMEI2 if your device is dual-SIM).

You can press and hold the IMEI number to copy it to your clipboard — useful if you're pasting it into an IMEI check service.

Method 2: Dial a USSD Code

Open the Phone app and dial:

*#06# 

Your IMEI will appear on screen immediately, without needing to navigate any menus. This works even if the iPhone isn't connected to a carrier.

Method 3: On the Physical Device

On most iPhone models, the IMEI is printed directly on the device:

  • iPhone 6s and later (with SIM tray): Engraved on the SIM card tray itself.
  • Older models: Printed on the back of the device.
  • iPhone models without a visible SIM tray (eSIM-only): Check Settings or the original packaging.

Method 4: Original Packaging or iTunes/Finder

  • The IMEI is printed on the barcode label of the original box.
  • If you connect your iPhone to a Mac or PC, it appears in Finder (macOS Catalina and later) or iTunes (Windows and older macOS) under the device summary screen.

What Can an IMEI Check Tell You?

Once you have the IMEI, you can run it through various checking tools to uncover key information about the device. Here's what those checks typically reveal:

Check TypeWhat It Shows
Blacklist statusWhether the phone has been reported lost or stolen
Carrier lock statusWhether the iPhone is locked to a specific network
Activation statusWhether the device has ever been activated
iCloud Lock (Activation Lock)Whether Find My iPhone is still enabled by a previous owner
Model and specsConfirmed hardware model, storage tier, and region
Warranty statusWhether Apple warranty or AppleCare coverage is still active

This information matters most when buying a used iPhone. A clean IMEI check doesn't automatically make a device trustworthy, but a flagged IMEI is a definitive warning sign.

Where to Run an IMEI Check

Several platforms offer IMEI lookup services. Some are free, some charge a small fee for detailed reports.

Free options generally provide:

  • Basic blacklist status
  • Carrier information
  • Device model confirmation

Paid services typically add:

  • iCloud Activation Lock status
  • Full purchase history or activation timeline
  • Detailed carrier unlock eligibility

Apple's own tools include:

  • checkcoverage.apple.com — Verifies warranty status and AppleCare coverage using the serial number or IMEI.
  • The Settings > General > About screen on the device itself shows whether Activation Lock is on (relevant if you're buying and want to confirm the seller can disable it before purchase).

Third-party IMEI databases pull from carrier networks and the GSMA blacklist registry, so coverage and accuracy can vary by region and carrier. 🌍

Variables That Affect What an IMEI Check Tells You

Not all IMEI checks return the same quality of information. A few factors influence what you'll learn:

  • Device age: Older iPhones may have less complete records in third-party databases.
  • Region of purchase: An iPhone bought in one country and sold in another may show carrier lock or blacklist status that only applies in its original market.
  • Carrier involved: Some smaller regional carriers don't report to global blacklist databases as promptly as major carriers.
  • Type of check service: Free tools pull basic data; more comprehensive reports require paid lookups from services with direct carrier agreements.
  • iCloud Activation Lock: This is a separate system from the IMEI blacklist — a device can have a clean IMEI but still be locked to a previous Apple ID, making it unusable without the original owner's credentials.

When the IMEI Doesn't Tell the Whole Story

An IMEI check is a useful filter, not a guarantee. A phone recently stolen may not yet appear on blacklists. A carrier lock may only show up once you insert your own SIM. And iCloud Activation Lock — one of the most common issues with used iPhones — requires a separate verification step beyond the IMEI number alone.

How useful an IMEI check is in practice depends heavily on what you're trying to confirm, which database you're querying, and what the device's actual ownership and usage history looks like. Those variables sit entirely with your specific situation and the particular iPhone you're evaluating.