Free IMEI & Carrier Lock Check Online

Free IMEI Check — Lock, Blacklist & Carrier Lookup

Run a free IMEI check to see what a phone’s 15-digit IMEI reveals before you buy or sell it: the device model and storage, which carrier it was made for, whether it’s network-locked, and whether the IMEI has been reported lost, stolen, or blacklisted. No account or sign-up is required. ProFix is a walk-in repair and buy/sell shop at 1712 Mineral Spring Ave in North Providence, RI — serving Providence, Pawtucket, Lincoln, Johnston, and Smithfield.

What an IMEI check can tell you:

• Blacklist status — whether the IMEI has been reported lost or stolen, which can block it from activating on US networks
• Carrier & lock — the original carrier (T-Mobile, AT&T, Verizon, Metro, Boost) and whether the phone is locked to it
• Model & storage — the exact device model and capacity, so a listing matches the real hardware

Worried a used phone might be flagged? Read the free IMEI blacklist check guide — what a “bad ESN” means, how phones end up blacklisted, and what to do if a check comes back flagged.

Not sure if a phone is carrier-locked? See how to check if a phone is unlocked — the iPhone settings check, the SIM-swap test, and what to do if it’s locked.

Buying a used iPhone? Also run an iCloud Activation Lock check — Find My iPhone survives a factory reset and blocks setup until the previous owner signs out.

Wondering which network a phone came from? Read the free IMEI carrier lookup guide — original carrier vs current SIM, how prepaid brands map to the big networks, and why it matters before you buy or switch.

Imported phone that rejects every US SIM? Run a country lock check — foreign carrier locks, Samsung region lock, and missing US bands, and how to tell which one you have.

Seeing “SIM not supported” or a PIN prompt? Read the free SIM lock check guide — SIM lock vs SIM PIN, how to read the status on iPhone or Android, and how the lock is removed.

Free IMEI blacklist check — is the phone reported lost or stolen?

An IMEI blacklist check answers one question before money changes hands: has this phone’s 15-digit IMEI been reported lost, stolen, or flagged over an unpaid balance? US carriers share those reports through a common industry database, and a blacklisted IMEI can be blocked from activating on US networks even if the phone looks and works perfectly. The checker above includes blacklist status in every result where data is available — dial *#06#, enter the IMEI, and the blacklist check runs free alongside the lock and carrier lookup, with no sign-up.

Run the IMEI blacklist check free of charge right before you pay for a used phone — not days earlier, since a flag can land at any time. If the result comes back flagged or unknown, don’t buy on the spot: see the IMEI blacklist check guide for what a “bad ESN” means and how legitimate flags get cleared, or bring the phone to ProFix in North Providence, RI for a free in-store verification.

IMEI check FAQ

How do I find my phone’s IMEI?

Dial *#06# on the keypad and the IMEI appears instantly. You can also find it in Settings → General → About on iPhone, or Settings → About phone on Android — and printed on the original box or SIM tray.

Is the IMEI check really free?

Yes. Enter the 15-digit IMEI and view the result with no account, sign-up, or payment required.

What does a blacklisted IMEI mean?

A blacklisted IMEI has been reported lost or stolen (or flagged for unpaid bills) and can be blocked from activating on US carrier networks. Always check the IMEI before buying a used phone so you don’t end up with a device that can’t connect.

Does a clean IMEI mean the phone is unlocked?

No — blacklist status and carrier lock are separate. A phone can have a clean (not-blacklisted) IMEI and still be locked to a carrier. The check shows both so you know what you’re getting.

Why check the IMEI before buying or selling a used phone?

It confirms the model and storage match the listing and that the device isn’t blacklisted or locked — the two issues that most often make a used phone unusable. Bring the phone to ProFix in North Providence, RI for a free in-store check before any deal.

How do I check if a phone is carrier locked?

Enter the phone’s 15-digit IMEI in the free carrier check above to see the original carrier (T-Mobile, AT&T, Verizon, Metro, or Boost) and whether the device is still locked to it. A carrier-locked phone only works on that network until it’s unlocked.

Is the carrier lock check free?

Yes — the carrier lock check is completely free with no sign-up. Enter the IMEI and instantly see the carrier and lock status. Need help unlocking a locked phone? Walk in to ProFix in North Providence, RI or call (401) 999-0100.

How do I check if a phone is unlocked with a free IMEI checker?

Use the free IMEI check above — dial *#06# to get the 15-digit IMEI, enter it, and the free IMEI checker reads the network lock status. If it comes back “unlocked,” the phone works on any compatible carrier; if it names a carrier, the phone is still locked to that network. It’s a free carrier check by IMEI, so you can confirm whether a used phone is unlocked before you buy or switch — no account, sign-up, or payment required.

Can I check what carrier a phone is on by IMEI for free?

Yes — this page is a free carrier check. Dial *#06# to see the 15-digit IMEI, enter it above, and the tool shows which carrier the phone belongs to — T-Mobile, Metro by T-Mobile, AT&T, Verizon, or Boost Mobile — along with its lock and blacklist status. Checking a phone’s carrier by IMEI here is free with no sign-up, whether you’re verifying a used phone before buying it or confirming your own device’s network before switching plans.

How does an IMEI carrier check work?

Every phone’s 15-digit IMEI is registered to the carrier that originally sold it. Run the IMEI check above and the carrier lookup reads that record, showing the original network — T-Mobile, AT&T, Verizon, Metro, or Boost — alongside the lock and blacklist status where data is available. An IMEI carrier check is the quickest way to confirm which carrier a used phone came from and whether it will activate on your network before you buy or switch.

When should you run a carrier check on a phone?

Run a carrier check whenever the network a phone belongs to matters: before buying a used phone, so you don’t end up with one locked to a carrier you can’t use; before switching providers with your current phone; or before putting a new SIM into a device that was handed down to you. To check carrier details here, enter the 15-digit IMEI (dial *#06# to see it) and the tool reports the network — T-Mobile, Metro by T-Mobile, AT&T, Verizon, or Boost Mobile — along with lock and blacklist status. Note that a carrier check shows which network the device is registered to, not whose phone plan or number is currently active on it.

What do carrier lock check results mean?

A carrier lock check returns one of three outcomes. “Unlocked” means the phone accepts a SIM from any compatible network — T-Mobile, Metro by T-Mobile, AT&T, Verizon, or Boost Mobile. A named carrier means the phone is still locked to that network: it was sold by that carrier and will reject other SIMs until the lock is removed, which usually requires the device to be fully paid off and meet the carrier’s unlock policy. “Unknown” or no result means the databases the carrier lock checker reads have no record for that IMEI — it does not mean the phone is unlocked, so re-run the imei check carrier lock lookup later or confirm with a SIM from another network. If a free carrier lock check shows a phone you own is still locked, contact the original carrier about an unlock, or stop by ProFix in North Providence, RI for help.

Why is this IMEI checker free — is there a catch?

No catch. ProFix repairs, buys, and sells phones in North Providence, RI, and keeping the IMEI checker free helps everyone trade used devices with confidence — a verified phone is easier to buy and easier to sell. Running an IMEI check free of charge here returns the results that actually matter: network lock status, blacklist / lost-stolen flags, device brand, model, and storage, plus the network the phone belongs to — an IMEI carrier check, free across T-Mobile, Metro by T-Mobile, AT&T, Verizon, and Boost Mobile where data is available. There is no sign-up, no credit card, and no fee to see the result. Want a device verified in person? Walk into the shop for a free in-store check.

How do I check if an IMEI is blacklisted for free?

Enter the 15-digit IMEI (dial *#06# to see it) in the checker above, and the result includes the blacklist status where data is available — whether the IMEI has been reported lost or stolen — at no cost and with no sign-up. A free IMEI blacklist check is worth running on any used phone before money changes hands, because a blacklisted device can be blocked from activating on US carrier networks even if it looks and works perfectly. If the blacklist check comes back flagged, or the status shows unknown, read the IMEI blacklist check guide or bring the phone to ProFix in North Providence, RI for a free in-store verification before you buy.

What is a SIM lock and how do I check it by IMEI for free?

A SIM lock — the same thing as a carrier or network lock — means the phone only accepts SIM cards from the carrier that sold it. To run a free IMEI SIM lock check, dial *#06# to display the 15-digit IMEI, enter it in the checker above, and the result shows the SIM lock status at no cost: “unlocked” means any compatible SIM will work — T-Mobile, Metro by T-Mobile, AT&T, Verizon, or Boost Mobile — while a named carrier means only that network’s SIM will activate until the phone is unlocked. Checking the IMEI SIM lock before buying a used phone or swapping in a new SIM takes seconds and avoids the surprise of a “SIM not supported” message after the sale.

What is the difference between a free IMEI check and a paid IMEI checker?

For most people, a free IMEI check is all you need. The free IMEI checker on this page covers the results that actually decide a used-phone deal — network lock status, blacklist / lost-stolen flags, the carrier the device belongs to, and its model and storage — with no sign-up or payment. Paid IMEI services mainly add extras such as warranty status or detailed carrier account history, which rarely change a buy-or-sell decision. Run the IMEI check free of charge here first: if the result is clean and the phone matches its listing, you have what you need. For a second opinion, ProFix in North Providence, RI verifies devices in-store at no charge.

How do I run a free iPhone carrier check?

An iPhone carrier check is free here and takes seconds: dial *#06# (or open Settings → General → About) to see the 15-digit IMEI, enter it in the checker above, and the result shows which carrier the iPhone belongs to — T-Mobile, Metro by T-Mobile, AT&T, Verizon, or Boost Mobile — plus its lock and blacklist status, with no sign-up. You can also cross-check on the iPhone itself: Settings → General → About includes a “Carrier Lock” (or “Network Provider Lock”) row, and “No SIM Restrictions” means the iPhone is unlocked. Running a free iPhone carrier check before buying a used iPhone — or before switching networks with your own — confirms the device will actually activate on the carrier you plan to use.

Does this carrier checker work for any phone brand?

Yes — the carrier checker works with any device that has a 15-digit IMEI: iPhone, Samsung Galaxy, Google Pixel, Motorola, OnePlus, and other brands, plus cellular iPads, Android tablets, and smartwatches with their own IMEI. A phone carrier checker reads the IMEI record itself, not the operating system, so the brand doesn’t matter — dial *#06# on any device, enter the number above, and the free carrier checker returns the network it belongs to along with lock and blacklist status. One tip for newer phones: dual-SIM and eSIM devices display two IMEIs when you dial *#06#. Both belong to the same physical device — enter IMEI1 (the primary) to check carrier status. As with everything on this page, the carrier checker is free with no sign-up.

Why do phones fail an IMEI blacklist check — and can a blacklisted IMEI be cleared?

An IMEI usually lands on the blacklist for one of three reasons: the phone was reported lost or stolen, an insurance claim was paid out on it, or it was financed through a carrier and the payments stopped. US carriers share these reports through a common industry database, so a blacklisted IMEI stays blocked even if the phone is moved to another network. Clearing a legitimate flag is only possible at the source — the carrier or account holder that filed the report can remove it once the issue is resolved, such as a paid-off balance or a recovered device. Be cautious with paid “blacklist removal” services; many cannot deliver, and a flag can reappear later. The safer move is to run an IMEI blacklist check free of charge here before any used-phone deal: enter the 15-digit IMEI (dial *#06#) and the IMEI check shows the blacklist status where data is available. If a phone you already own fails the blacklist check, contact the carrier that flagged it, or stop by ProFix in North Providence, RI and we will help you figure out the next step.

Why does an IMEI carrier check show a different carrier than my SIM?

Two common reasons, and neither is a red flag. First, prepaid brands run on the big networks, so a carrier check by IMEI often returns the parent network instead of the brand on the monthly bill: Metro by T-Mobile and Mint Mobile devices typically show T-Mobile, Cricket shows AT&T, and Visible shows Verizon. Second, when you check an IMEI, the carrier returned is the network the phone was originally sold or registered to — not the SIM currently inside it. An unlocked phone first sold by AT&T and now used on T-Mobile will still show AT&T. What actually decides whether the phone will work for you is the lock status shown next to the carrier: “unlocked” means the device accepts any compatible SIM, no matter which network the IMEI carrier check names. If the carrier looks wrong and the lock status reads locked or unknown, re-check the IMEI carrier result later or bring the device to ProFix in North Providence, RI for a free in-store verification.

Does a passing carrier check mean the phone will work on my network?

Mostly — but read two parts of the carrier check result. First, the lock: “unlocked” means the phone accepts a SIM from any compatible network, while a named carrier means it must be unlocked before it activates elsewhere. Second, compatibility: phones sold in the US for T-Mobile, AT&T, Verizon, Metro, or Boost generally support the LTE and 5G bands the other big networks use, so an unlocked US-model phone that passes the carrier check will usually work on any of them — including prepaid brands, since Metro, Cricket, Mint, and Visible run on those same networks. The exception is imported or international models: the carrier check still reads the IMEI, but the hardware can be missing US bands or the VoLTE support that AT&T and Verizon require for calls, so service may be spotty even when the result says unlocked. So run the free carrier check here first for the lock and blacklist status; if the phone turns out to be an international model, verify its band support for your network before buying — or bring it to ProFix in North Providence, RI and we will confirm on the spot whether it will work on your carrier.

Is it safe to enter my IMEI into a free IMEI check?

Yes — running a free IMEI check is safe. The IMEI identifies the phone’s hardware, not you: entering it in an IMEI checker returns the device’s model, storage, original carrier, lock status, and blacklist flags, but nothing personal — no contacts, messages, photos, location, or account details, because none of that is stored in the IMEI record. The lookup is also read-only: checking an IMEI free of charge cannot change the phone’s status, install anything, or give anyone access to the device. The one sensible precaution is the same as with any serial number: run the IMEI check yourself, but avoid posting the full 15-digit number publicly in online listings, since a stranger who collects IMEIs could reuse the number in a scam listing or file a false report against it. If you’re selling, share the IMEI privately with a serious buyer so they can run their own free IMEI checker before meeting. On this page there’s nothing extra to hand over — the imei check is free with no account, sign-up, or personal details required: dial *#06#, enter the number, and read the result.

How do I run an iPhone blacklist check?

An iPhone blacklist check works exactly like any IMEI blacklist check — the blacklist database tracks the IMEI, not the brand. Find the iPhone’s IMEI by dialing *#06# or opening Settings → General → About, enter it in the checker above, and the blacklist check shows whether that IMEI has been reported lost, stolen, or flagged over an unpaid balance — the statuses that can block an iPhone from activating on US networks. Two iPhone-specific tips. First, dual-SIM and eSIM iPhones (iPhone XS and newer) display two IMEIs when you dial *#06# — enter IMEI1, the primary, to check blacklist status. Second, on an iPhone a clean blacklist check is only half the picture: iCloud Activation Lock is a separate Apple-side lock that never appears in an IMEI blacklist check and survives a factory reset, so before buying a used iPhone also run an Activation Lock check and confirm Find My iPhone has been signed out. If an iPhone blacklist check comes back flagged or unknown, don’t hand over money on the spot — bring the phone to ProFix in North Providence, RI for a free in-store verification first.

Can I check an iPhone’s carrier by IMEI before buying it online?

Yes — and it’s the smartest step to take before paying for a used iPhone from a marketplace listing. Ask the seller for the iPhone’s 15-digit IMEI: they can dial *#06#, read it from Settings → General → About, or find it printed on the original box. Then run the free iPhone carrier check above before you meet or send money — the result shows which carrier the iPhone belongs to (T-Mobile, Metro by T-Mobile, AT&T, Verizon, or Boost Mobile), whether it’s still carrier-locked, and whether the IMEI is blacklisted. Checking an iPhone’s carrier by IMEI in advance catches the two most common used-iPhone surprises: a phone locked to a network you don’t use, and a flagged IMEI that won’t activate at all. Treat a seller who refuses to share the IMEI as a red flag — the number contains no personal information, so a legitimate seller has no reason to hold it back. When you do meet, dial *#06# on the actual phone and confirm it matches the IMEI you checked, and make sure Find My iPhone is signed out before money changes hands. Prefer a second opinion? Bring the deal to ProFix in North Providence, RI and we’ll verify the iPhone in-store for free.

Can I run an IMEI carrier check on a phone that’s dead or won’t turn on?

Yes — an IMEI carrier check doesn’t need the phone to be powered on, or even in your hands. The lookup reads carrier databases using the 15-digit number itself, so the carrier check works the same whether the phone is dead, has a shattered screen, or is sitting in a drawer. The only trick is finding the IMEI without dialing *#06#. Check these places: the SIM tray (many iPhones and Android phones have the IMEI etched on it), the barcode label on the original box, a purchase receipt or carrier bill, or your online account — the Apple ID device list shows the IMEI of every iPhone signed into your account, and Google’s Find My Device shows it for Android phones. Once you have the number, enter it above and the carrier check by IMEI returns the network, lock status, and blacklist result exactly as if the phone were switched on. This is especially useful for a dead phone you’re deciding whether to repair or sell: the IMEI carrier check tells you whether the device is clean and unlocked — and therefore worth fixing — before you spend anything. And if the phone won’t power on at all, ProFix in North Providence, RI can diagnose it in-store for free.

Can a phone pass an IMEI blacklist check today and still get blacklisted later?

Yes — and it’s the one limitation of any IMEI blacklist check worth understanding before you buy a used phone. A blacklist check is a snapshot: it shows whether the IMEI is flagged at the moment you run it, not whether a report is coming. A phone can pass a blacklist check clean today and land on the blacklist weeks later if the previous owner stops paying a carrier installment plan, files an insurance claim on it after selling it, or reports it lost or stolen after the deal. When the flag lands, the phone stops activating on US networks even though your imei check blacklist result was clean on purchase day. You can’t see the future, but you can shrink the risk: run the free IMEI blacklist check right before money changes hands (not days earlier), prefer phones the seller can show are fully paid off, get a receipt with the seller’s name and the IMEI written on it, and re-run the blacklist check free of charge here a week or two after buying — an early flag is easier to dispute with a receipt in hand. If a phone you bought passes and later fails a blacklist check, the report has to be cleared by the carrier or person who filed it, so your receipt and the seller’s contact information are what make that conversation possible. Not sure how a result reads? Bring the phone to ProFix in North Providence, RI and we’ll run the check with you in-store for free.

Does a network lock ever go away on its own — and how do I confirm the phone actually unlocked?

A network lock isn’t permanent — carriers remove it once their unlock policy is met, and an IMEI network lock check free of charge is how you confirm it actually happened. Postpaid phones generally become eligible once the device is fully paid off and the account is in good standing: Verizon unlocks phones automatically about 60 days after activation, while T-Mobile and AT&T lift the lock once the payoff and service-time requirements are met — sometimes automatically, sometimes only after you submit an unlock request. Prepaid phones usually need a minimum stretch of active service first, often six months to a year depending on the brand. The catch is that carriers rarely tell you the moment the lock drops, so verify it yourself: run the free IMEI network lock check above, and if the status still shows the carrier a few days after an unlock was confirmed, re-run it — the databases the network lock check reads can lag the carrier’s own systems. The fastest real-world confirmation is a SIM from another network: if it activates, the lock is gone. Paid off a phone that still shows locked weeks later? Contact the carrier’s unlock department, or stop by ProFix in North Providence, RI and we’ll run the network lock check free with you in-store and help sort out the request.

Can an IMEI checker confirm a used phone is really the model and storage the listing claims?

Yes — it’s one of the most useful things a free IMEI checker does beyond the lock and blacklist status. When you run the IMEI check above, the result reads the device brand, exact model, and storage capacity registered to that 15-digit number, so you can hold it against whatever a listing or seller claims. If a used-phone ad says 256 GB but the IMEI checker returns a 128 GB model, or the listing says a Pro model while the IMEI check shows the base version, the number is telling you the truth and the description isn’t. It’s also a quick sanity check against counterfeits and swapped internals: a fake or heavily modified phone often reports a model that doesn’t match the one in your hand — or returns no valid record at all. Two things to confirm at the meetup: dial *#06# on the actual phone and make sure the IMEI on screen matches the one you checked, and that it also matches the number etched on the SIM tray or printed on the box — a genuine IMEI pasted into a fake listing only proves one real phone exists somewhere, not that it’s the device in front of you. If the IMEI checker result and the physical phone don’t line up, hold off, or bring the device to ProFix in North Providence, RI and we’ll verify the model, storage, and IMEI in-store for free.