Complete IMEI Guide: Protect Yourself When Buying Phones
Published January 15, 2026 • 9 min read
Why IMEI Verification Matters
Over 2.1 million smartphones were reported stolen in the U.S. in 2026. IMEI verification is your first line of defense against buying stolen or blacklisted phones.
What is an IMEI Number?
IMEI stands for International Mobile Equipment Identity. It's a unique 15-digit code assigned to every smartphone and cellular-enabled device manufactured worldwide. Think of it as your phone's fingerprint—no two devices share the same IMEI.
IMEI numbers were created by the GSMA (Global System for Mobile Communications Association) to track devices across cellular networks, prevent phone cloning, and enable law enforcement to identify stolen phones. In 2026, IMEI tracking is the global standard used by all major carriers.
IMEI Format Breakdown
Example IMEI: 356938035643809
- First 8 digits (TAC): Type Allocation Code identifying manufacturer and model
- Next 6 digits (SNR): Serial Number unique to this specific device
- Last digit: Check digit for validation (sometimes omitted)
How to Find Your IMEI Number
There are multiple ways to locate your phone's IMEI. All methods retrieve the same number.
Method 1: Dial *#06#
Universal method that works on all smartphones (iPhone, Android, any carrier). Open your phone dialer and type *#06#. Your IMEI will instantly display on screen. No call is made.
Note: Dual-SIM phones may display two IMEIs (one for each SIM slot).
Method 2: Settings Menu
iPhone: Settings → General → About → scroll down to IMEI
Android: Settings → About Phone → Status → IMEI Information
Exact path varies by manufacturer (Samsung, Google Pixel, etc.), but always under About Phone or Device Information.
Method 3: Physical Label
Check the original box your phone came in—IMEI is printed on the barcode label. Also printed on the SIM card tray slot on most iPhones, or under the battery on older Android phones with removable batteries.
Warning: If the IMEI on the box doesn't match the IMEI displayed by dialing *#06#, the phone may be counterfeit or the box is from a different device.
Method 4: Account Portal
Log into your carrier account (AT&T, Verizon, T-Mobile) online. Navigate to your device details—IMEI will be listed under device information. Useful if your phone is lost or stolen and you can't physically access it.
What Does IMEI Blacklisting Mean?
When a phone is reported stolen to a carrier or law enforcement, its IMEI is added to a global blacklist database shared across carriers worldwide. Blacklisted phones cannot activate on cellular networks, rendering them worthless for normal use.
In 2026, the GSMA Device Check database connects 800+ carriers across 100+ countries. When an IMEI is blacklisted in the U.S., it's automatically blacklisted globally within 24 hours. Thieves cannot simply sell stolen phones overseas to bypass blacklists.
Critical Buyer Warning
A phone can be blacklisted AFTER you buy it. If the seller fraudulently reports the phone stolen to their carrier after receiving your payment, your phone will be blacklisted and unusable. Always verify IMEI through SafeOrStolen BEFORE buying.
How to Check if an IMEI is Blacklisted
Before buying any used phone, ALWAYS verify its IMEI status. This takes 3 seconds and can save you hundreds of dollars and legal trouble.
Recommended: SafeOrStolen
SafeOrStolen checks 50+ databases simultaneously including GSMA global blacklist, FBI NCIC, all major U.S. carriers, manufacturer records, and law enforcement databases. Results in 3 seconds.
Alternative: Carrier Direct Check
Major carriers offer free IMEI checks on their websites:
- AT&T: att.com/deviceunlock
- Verizon: verizon.com/bring-your-own-device
- T-Mobile: t-mobile.com/verifyIMEI
Limitation: Carrier checks only show blacklist status for THEIR network. Phone may be blacklisted on other carriers or internationally. SafeOrStolen checks all carriers globally.
What to Avoid
❌ Free IMEI check websites (IMEI24, IMEIpro, etc.): These sites scrape limited data, show inaccurate results, and harvest IMEIs for fraud. Many sell your IMEI to criminals.
❌ Trusting seller's word: Sellers have zero incentive to reveal blacklist status. Always verify independently.
Red Flags When Buying Used Phones
Seller Refuses to Provide IMEI
Legitimate sellers have nothing to hide. If seller won't provide IMEI before meetup, phone is likely stolen or blacklisted. Walk away immediately.
iCloud/Google Lock Still Active
If Find My iPhone or Factory Reset Protection is still enabled and linked to seller's account, phone may be stolen. Seller must fully remove their account before sale.
Price 40%+ Below Market Value
Thieves want quick cash and price stolen phones well below market. If a 3-month-old iPhone 15 Pro is $500 when market value is $900, it's almost certainly stolen.
IMEI Sticker Removed or Tampered
Check the IMEI sticker on the box or SIM tray. If it's scratched off, replaced, or doesn't match the phone's internal IMEI (*#06#), phone is likely stolen or counterfeit.
What If You Already Bought a Blacklisted Phone?
Unfortunately, you have limited legal recourse. Blacklisted phones cannot be unlocked or unblacklisted except by the original owner who reported them stolen. Your options are:
- Contact the seller and demand refund (unlikely to work if they're a thief)
- File a police report (they may seize the phone and return it to original owner)
- Sell for parts only (screen, battery, camera components still have value)
- Accept the loss (most common outcome for buyers who didn't verify IMEI)
This is why pre-purchase IMEI verification is absolutely critical. It's the ONLY way to protect yourself.
SafeOrStolen Mobile App Advantage
Unlike competitors (CheckMEND, IMEI.info) that only offer web-based lookups requiring manual IMEI typing, SafeOrStolen provides a free mobile app with instant barcode scanning. During in-person meetups, you can verify the phone in 3 seconds by scanning the barcode on the box or SIM tray.
Download SafeOrStolen Mobile App
Instantly scan phone barcodes, verify IMEI status offline, and protect yourself during transactions. Free to download, no competitor offers this feature.
Verify IMEI Before Buying
Check any phone's IMEI against 50+ global databases in 3 seconds. Free verification available.