Why an IMEI and Warranty Check Matters When Buying Used
06 June 2026
Two quick checks can save you from the most expensive mistakes when buying a used or refurbished phone: verifying the IMEI and confirming the warranty. One protects your access to the device, the other protects your money. Here is what each reveals and how to run them before you pay.
What the IMEI check reveals
Every phone has a unique IMEI number, a kind of fingerprint for the device. Checking it before you buy can surface problems that are invisible from photos or a quick look at the handset:
- Blacklist status. A blacklisted phone has been blocked by networks, often after being reported lost, stolen or unpaid on a contract. It may not work properly on local networks.
- Lost or stolen reports. If a device is reported stolen, buying it can mean losing both the phone and your money.
- Activation or carrier locks. A phone locked to a previous owner account or a specific carrier may be unusable for you until it is unlocked.
A clean IMEI is one of the strongest signals that a device is legitimate and yours to use freely.
How to check an IMEI
- Ask the seller for the IMEI, or find it yourself by dialling
*#06#on the phone or looking in the device settings. - A trustworthy seller will share it without hesitation. Refusal to let you verify the IMEI is a serious warning sign, as noted in red flags: is it safe to buy a refurbished phone online?.
- Confirm the device is signed out of any previous account and is unlocked before you complete the purchase.
This single step is one of the easiest ways to avoid a scam, which is why it appears in how to avoid fake refurbished scams in the UAE.
Why the warranty check matters too
A clean IMEI tells you the device is legitimate today. The warranty tells you what happens if something goes wrong tomorrow. Before paying, confirm:
- That a warranty is included with the device.
- What it covers.
- How to make a claim if you ever need to.
Get the terms in writing. A warranty turns a fault from a financial loss into a simple claim, which is the whole point of buying from a seller who stands behind its stock. We explore how this works in returns and warranty: buying refurbished with confidence.
Why both checks belong together
The two checks cover different risks:
- The IMEI check protects your access to the phone. It stops you buying something blacklisted, stolen or locked.
- The warranty check protects your money. It ensures you are covered if a covered fault appears after purchase.
Skip either one and you leave a gap. A device might be perfectly clean but unsupported, or fully warranted but locked to someone else. Running both closes the loop.
Where grey-market stock falls short
Imported grey-market phones are exactly where these checks matter most. Their history is often unknown, they may carry no valid local warranty, and they rarely come with a UAE VAT invoice as proof of purchase. The full comparison is in refurbished vs grey-market imports: why warranty and VAT matter.
Before you pay, confirm:
- The IMEI is clean: not blacklisted, not reported stolen.
- The phone is unlocked and signed out of any previous account.
- A warranty is included, with terms in writing.
- A UAE VAT invoice is provided as proof of purchase.
For the complete approach to a safe purchase, see the buyer guide to buying a refurbished phone safely.
Buy a phone that passes every check
A professionally refurbished device should already clear these hurdles before it reaches you. Every YesAgain phone is inspected, tested and graded, sold unlocked and signed out, with a verifiable IMEI, a warranty and a UAE VAT invoice. Browse the collection and buy used the safe way, with both your access and your money protected.
Frequently asked questions
What is an IMEI number?
The IMEI is a unique identifier given to every phone. Checking it can reveal whether a device is reported lost or stolen, blacklisted from networks, or locked to a previous owner account.
How do I find a phone IMEI?
On most phones you can dial star-hash-zero-six-hash to display the IMEI, or find it in the device settings. A trustworthy seller will share it so you can verify the device before buying.
Why check the warranty as well as the IMEI?
The IMEI confirms the device is clean and unlocked. The warranty confirms you are covered if a fault appears after purchase. Together they protect both your access to the phone and your money.