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IMEI Blacklist Checks — Carrier-Level vs GSMA vs Apple-Reported

"Is it blacklisted?" is really three questions. Each carrier keeps its own record; GSMA maintains the worldwide register that operators query; and Apple enforces its own reported list for iPhones. A device can be clean on one and blocked on another — which is exactly how people end up buying a phone that loses service a week later.

Short answer. These checks answer a question that decides what to do next, and they cost cents. Run the identity and lock checks first, then the blacklist check, and only then order an unlock.

What the message actually means

A blacklisted IMEI is refused by the networks that share the register, so the handset loses cellular service entirely. Wi-Fi still works, which is why a blocked phone looks perfectly functional in a shop.

Carrier records and the GSMA register propagate at different speeds, and a device reported an hour ago may not appear everywhere yet.

What you are seeing

Step 1 — check before you spend

  1. US/Canada carrier blacklist check ($0.03) — per-carrier records.
  2. GSMA worldwide blacklist check — the register operators query.
  3. Apple-reported (Chimera) check — the list Apple enforces for iPhones.
  4. Blacklist history check — including “reported then cleared”.

Step 2 — what to do with the answer

  1. Run the carrier-level check for the country the phone came from.
  2. Run the GSMA check for worldwide exposure.
  3. For an iPhone, add the Apple-reported check.
  4. For a high-value purchase, re-run on the day you pay.

The free route fails for one of four reasons, and only the last one needs money: the device is still financed; the account was closed with a balance; the buyer is not the account holder; or the IMEI is reported. Everything else is a paperwork problem the carrier can fix.

The reports are timestamped evidence: if a device is reported after you buy it, the report from before the payment is what a marketplace dispute asks for. That, more than the check itself, is why they are worth the few cents.

ServicePriceCovers
Announced Date Check - iPhone & Android$0.01Apple
VIVO | IQOO Warranty Info Check - Support Mobile, Pad, Watch etc.$0.03Vivo
Blacklist Unbar History & GSMA Pro & Fraud Check$0.12device check
Need Customize Service? Contact Us$1United States

4 services in this guide. Prices are live; sign in for volume pricing.

What does not work

Why it can still fail

Frequently asked questions

What is the difference between GSMA and a carrier check?

GSMA is the worldwide register; each carrier also keeps its own record, and they disagree more often than you would think.

Can a blacklisted IMEI be cleared?

Only by the operator that filed the report, normally after payment or withdrawal of a theft report.

Are these reports evidence?

Yes — timestamped and re-downloadable from your order history.

How often should I check?

Once before buying, and again on the day you pay for a high-value device.

Does Wi-Fi still work on a blacklisted phone?

Yes, which is why the block is easy to miss.

Related guides

Apple checks (warranty, iCloud, MDM)Apple Checks by IMEI — Warranty, iCloud, MDM, Sold-ToModel, TAC & spec checksModel, TAC, eSIM EID & IMEI2 ChecksCarrier identificationCarrier & SIM Lock Check by IMEI — Identify the Network

Last checked 2026-10-28. Carrier rules are summarised from the operators’ own pages; where a rule has changed since, the operator’s page wins.