The tell was the screenshot.
A buyer, mildly suspicious of a too-cheap flagship, took a screenshot during his inspection and went to mark it up. The editing tools that appeared weren’t the ones that phone should have had. Everything else looked right — icons, wallpaper, the settings menu, the boot animation. The interface was a costume over a different operating system, and it fell apart the moment he did something slightly unusual with it.
Fakes are built to survive a glance. They’re not built to survive nine minutes.
Two different problems
Worth separating, because the checks differ.
A counterfeit is a cheap device dressed as an expensive one. Different internals, different software, sometimes a different operating system entirely wearing a skin. The phone is not what it claims to be.
A clone is a real phone carrying an identity copied from another real phone. The hardware is genuine; the IMEI belongs to someone else’s device. This is nastier, because the identity checks out — it’s describing the other phone.
Most buyers only look for the first one.
Nine checks that expose a counterfeit
1. Run the serial through the manufacturer
The fastest and most decisive check. Take the serial number from the settings menu and run it through the manufacturer’s own lookup. A genuine device resolves to a specific model with a real purchase or coverage date. A fake either fails outright or resolves to a model that doesn’t match what you’re holding.
2. Compare the IMEI’s TAC against the phone
The first eight digits of an IMEI identify the model. Decode them and see whether they agree with the device in front of you. A mismatch means the identity was programmed in, and no amount of convincing hardware changes that. Our IMEI explainer covers how to read this.
3. Open the app store and install something
Skinned devices break here. Either the store is a lookalike, or the real store is present and reveals the underlying operating system, or the install simply fails. It takes twenty seconds and it’s one of the hardest things for a counterfeit to fake convincingly.
4. Take a screenshot and edit it
The markup tools, the save behaviour, the notification — all platform-specific, all rarely reproduced properly in a skin.
5. Ask the voice assistant something
Not “what’s the weather.” Something slightly odd. Fakes often ship with a stub assistant that handles two or three canned interactions and nothing else.
6. Dig three levels into settings
Counterfeit interfaces are wide and shallow. The top-level menus look right; the sub-sub-menus are missing, misspelled, or lead nowhere. Pick something obscure — accessibility options, developer settings, per-app permissions — and keep tapping.
7. Weigh it and feel the glass
Genuine flagships have a specific density that plastic-framed copies don’t reproduce. If you can, compare against a known-good unit. Camera glass on fakes is often flat and lifeless, and the bezels are usually slightly thicker than the real thing.
8. Test the cameras honestly
Shoot in low light, then zoom in. Counterfeits fake the megapixel count in the interface and can’t fake sensor performance. A “48-megapixel” photo that falls apart at moderate zoom in ordinary indoor light is telling you what the hardware actually is.
9. Check the display against the spec
High refresh rate is expensive and rarely faked well. Scroll a long list quickly and watch. Then run a plain white image at full brightness and look at the colour temperature and the evenness — cheap panels are visibly cooler and blotchier.
One caution about all nine: run them somewhere with good light, a stable connection, and no time pressure. Every check above assumes you can see the screen properly and look something up. A counterfeit inspected in a dim stairwell at closing time passes tests it would fail on a café table at noon, which is why the venue is part of the check rather than a detail around it.
Catching a clone
Harder, because the IMEI passes.
The signals that survive:
The three-location IMEI match. Dialled code, settings, and the physical etching on the tray or back. A cloned identity is written in software; the etching usually isn’t updated to match.
The serial-to-model lookup. If the manufacturer says this serial is a 256GB device in one colour and you’re holding a 128GB device in another, the identity was borrowed.
Regulator validation. Systems that check a device’s multiple IMEIs against manufacturer records will reject mismatches. Pakistan’s DIRBS runs exactly this validation, which is one reason a cloned phone often surfaces at registration rather than at purchase — details in our PTA approval guide.
The paperwork. Box, receipt, and etched IMEI all agreeing is a combination that’s genuinely hard to fabricate.
Packaging tells, and their limits
Counterfeit boxes have improved a lot, so treat these as supporting evidence rather than proof.
Look at print quality under good light — fakes often show slightly soft text, off-register colour, or fonts that are close but not right. Check that the IMEI printed on the box matches the phone. Check that the included cable and adapter are what that model actually ships with, since counterfeits frequently include generic accessories.
Regulatory stickers deserve particular scepticism. A printed label claiming approval is a printed label. Verify the status through the official channel rather than reading it off the box.
Counterfeit accessories, which are far more common
Fake phones are relatively rare. Fake chargers, cables, and earphones are everywhere, and one of those categories can damage the phone you just bought.
Chargers and power adapters. This is the one that matters for safety rather than performance. Counterfeit high-wattage adapters routinely omit the protection circuitry that genuine ones include, and the failure mode isn’t a slow charge — it’s heat, a damaged battery, or worse. Look for a recognisable brand, proper certification marks moulded or printed on the housing, a weight that feels substantial rather than hollow, and clean moulding without seams or flash.
Cables. Fakes are thinner, lighter, and use inferior conductors. Symptoms are slow charging, intermittent data connections, and connectors that loosen within weeks. Low stakes financially, mildly infuriating daily.
Earphones, particularly true wireless. Counterfeit versions of popular models are convincing in photographs and fall apart on pairing behaviour, case fit, and audio quality. Check the serial against the manufacturer where a lookup exists.
If you’re buying a phone bundled with accessories, price the accessories at zero unless you can verify them. A genuine phone with a counterfeit charger is a common combination, usually because the original was lost and replaced cheaply.
Buying without meeting: how the checks change
Some of this article assumes the phone is in your hands. When it isn’t — a shipped purchase, or a listing you’re evaluating remotely — the sequence shifts.
Ask for, in this order:
- A photo of the dialled IMEI screen, taken alongside something identifying, so you know it’s this phone rather than a stock image.
- The serial number, which you run through the manufacturer lookup yourself.
- A short video rather than photos: the seller unlocking the phone, opening settings, scrolling the about page, and opening the app store. Video is much harder to fake than stills and takes them thirty seconds.
- A photo of the original box, with the IMEI visible and matching.
Then insist on a payment method with recourse. The whole argument for buyer protection is situations exactly like this, where you can’t verify before paying. Our meetup and payment guide covers which methods actually offer it.
A seller who won’t send a thirty-second video of a phone they’re selling has made a decision about how much they want the sale.
The pattern underneath all of this
Counterfeits are optimised for the first thirty seconds. Photographs, home screen, weight in the hand, a quick scroll.
So the reliable strategy isn’t memorising tells. It’s doing something the fake wasn’t designed for — installing an app, editing a screenshot, opening an obscure settings page, shooting a photo in bad light. Anything unscripted.
My honest position on the whole category: at a normal market price, counterfeits are rare enough that these checks are a formality. It’s the unusually cheap listing for a desirable model that deserves the full nine minutes, and that’s also the listing where people skip the checks because they’re excited about the price.
The third category: real phones sold as something they’re not
Between genuine and counterfeit sits a category that costs buyers more money in aggregate than outright fakes do.
Refurbished sold as new. A returned or repaired device, cleaned up, boxed with generic accessories, and listed as sealed. The phone is real. The description isn’t. Tells: packaging that opens too easily or shows re-sealing, accessories that don’t match what the model ships with, and a warranty clock that has already started when you run the serial through the manufacturer.
Repaired sold as untouched. Genuine phone, third-party parts inside. On devices that log their own repair history this is visible in the settings menu; elsewhere you’re looking at seam gaps, mismatched panel colour, and chewed screws near the charging port.
Regional variant sold as local stock. A real, unmodified phone built for a different market, which may lack the network bands or carrier certification your service depends on. Check the model suffix against the variant sold in your country.
None of these is a counterfeit, and all three are misrepresentation. The serial lookup catches the first, the physical inspection catches the second, and the model number catches the third — which is why running all three beats looking for any single tell.
Veelvoorkomende fouten om te vermijden
- Judging by the home screen. That’s the part built to pass.
- Trusting the settings menu’s claimed specs. Skins report whatever they’re told to report.
- Accepting the box as verification. Packaging is printable.
- Skipping the serial lookup. It’s free, takes seconds, and is close to decisive.
- Assuming a clean IMEI check rules out a clone. It rules out a blacklist, which is a different question.
- Doing all this at night, outdoors, in a rush. Fakes survive bad viewing conditions. That’s rather the point of them.
Veelgestelde vragen
What’s the fastest way to check if a phone is genuine?
Run the serial number through the manufacturer’s lookup. If it resolves to the model in your hand, you’ve ruled out most counterfeits in under a minute.
Can a fake phone pass an IMEI check?
A counterfeit with a cloned IMEI can return a clean blacklist result, because the number belongs to a genuine device elsewhere. That’s why the model-versus-identity comparison matters more than the blacklist alone.
Are fake phones common on used marketplaces?
Less common than people fear at ordinary prices, and considerably more common at prices well below market for desirable models. The price is usually the first tell.
How do I check a phone if I can’t compare it to a real one?
Use the software tests — app store, screenshot editing, deep settings, voice assistant — since they don’t require a reference device. The physical tells are useful but harder to judge in isolation.
What if the seller won’t let me install an app?
That’s an answer. A seller confident in what they’re selling has no reason to object to twenty seconds in an app store.
Is a cloned phone illegal to own?
Reprogramming an IMEI is illegal in many countries, and a cloned device can be blocked or seized. Regardless of local law, it’s a phone that may stop working without warning.
If a listing is priced well under everything comparable, plan the nine checks before you go rather than deciding at the meetup. The excitement of a bargain is exactly what these devices are built to exploit.
Shopping now? See what’s listed on ExploreFrag and bring the full inspection checklist with you.
About the author
Emran Ahmed is the founder and CEO of ExploreFrag, a marketplace for buying and selling used phones and accessories across every brand. He collects stories about how counterfeits get caught, and the screenshot-editing one remains his favourite because nobody sets out to test a phone that way. He reviews listings most days and treats an unusually low price as a prompt to check more, not less.