How do I check an iPhone's serial number with Apple directly?
- On the phone, go to Settings > General > About and scroll to Serial Number. If you can ask the seller for this before meeting in person, even better — you can check it in advance.
- Go to checkcoverage.apple.com on any browser. This is Apple's own official coverage-check page, not a third-party lookup site.
- Enter the serial number and complete the verification step.
- Review what comes back: a genuine iPhone returns the correct device model, its activation date, and its current warranty or AppleCare status.
If the serial number is rejected as not recognized, or returns a completely different device model than what you're looking at in person, that is a serious red flag and reason to stop the purchase.
What should I check in Settings > General > About?
- Model name and model number: confirm the model shown matches what the seller advertised (for example, an iPhone 15 Pro should say so, not a different model).
- Storage capacity: confirm it matches the advertised capacity; some resellers misrepresent this.
- Carrier and iOS version: useful context, though not authenticity checks on their own.
Also check whether the device is Activation Locked. Go to Settings > General > About, or attempt a factory reset with the seller present, if it asks for an Apple Account password that isn't yours or the seller's own account they're willing to remove in front of you, don't buy it. A device still locked to someone else's account cannot be fully set up as your own, and it's a strong sign the phone may be stolen.
What physical signs suggest an iPhone might not be genuine or has been tampered with?
- Mismatched screws, visible gaps around the screen or back glass, or screws that look recently disturbed.
- A screen that doesn't respond correctly to touch at the edges, or noticeably different color/brightness compared to a known-genuine iPhone of the same model.
- A charging port, buttons, or camera bump that feel slightly different in size, position, or finish from official photos of that model.
- Packaging that looks reprinted, has spelling errors, or doesn't match the specific model inside.
None of these alone is proof of a fake or heavily modified device, but several together, especially combined with a serial number that fails Apple's own check, should make you walk away.
What should I watch for buying used in Nigeria's phone markets?
Nigeria's secondhand phone markets, including well-known electronics hubs, handle large volumes of genuine, legitimately resold iPhones every day, and most transactions are straightforward. As with any secondhand electronics market anywhere in the world, the risk isn't the market itself, it's an individual seller or device. A few practical habits reduce your risk regardless of where you're buying:
- Do the serial number check at checkcoverage.apple.com before you hand over money, ideally in front of the seller using your own data connection, not theirs.
- Test the SIM, Wi-Fi, cameras, Face ID or Touch ID, and charging before completing payment.
- Be cautious of a price well below the going rate for that model and condition. A price that looks too good relative to comparable listings is a reason to check more carefully, not a reason to skip the checks.
- Buy from sellers who let you inspect and test openly, and are willing to remove their own Apple Account from the device in front of you if it's still signed in.
People also ask
Can a used iPhone pass Apple's serial check and still have problems?
Yes. A genuine serial number confirms the hardware is a real Apple-made device, but it doesn't guarantee the battery health, screen condition, or internal repair history are as advertised. Combine the official check with a physical inspection and full functional test.
Does checkcoverage.apple.com tell me if a phone is stolen?
No, it shows warranty and activation status, not theft status. To check whether a specific device has been reported stolen, you'd need to go through the seller's willingness to demonstrate the device isn't Activation Locked, and ideally a documented purchase history or receipt.
What's the difference between a refurbished and a fake iPhone?
A refurbished iPhone is a genuine Apple device, often one repaired or restored by Apple or an authorized provider, and it will still pass the official serial number check. A fake or heavily modified device typically fails or returns inconsistent results on Apple's own coverage-check page.