Cricket IMEI Check

What Is a Cricket Carrier Lock?

Why Cricket phones reject other SIM cards

Cricket Wireless is an AT&T-owned prepaid carrier that operates on the AT&T nationwide GSM and 5G network. When you purchase a device directly from Cricket — whether an iPhone, Samsung Galaxy, or budget Android — the phone arrives "SIM locked" to the Cricket network. This means the device will only accept Cricket SIM cards and will reject SIM cards from AT&T, T-Mobile, Verizon, or any other carrier with a "SIM Not Supported" or "Network Lock" error.

This carrier lock is a software-level restriction embedded in the device's baseband. It is not a hardware limitation — once the phone is officially unlocked by Cricket, it will work with any compatible GSM carrier worldwide. The lock exists because Cricket subsidizes device costs for prepaid customers, and the 6-month active requirement ensures Cricket recovers the subsidy before the phone can be used elsewhere.

Cricket's lock is separate from the GSMA blacklist. A Cricket phone can be unlocked but still blacklisted (if reported lost or stolen with an unpaid balance), or unlocked and clean. An IMEI check reveals both the SIM Lock status and the blacklist status, giving you a complete picture before buying, selling, or switching carriers.

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What Is SIM Lock

Cricket Wireless is an AT&T-owned prepaid brand. Its contracted devices are "network locked" until unlocked, meaning only Cricket SIM cards work. Inserting an AT&T, T-Mobile, or other carrier SIM will show "SIM Not Supported."

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Blacklist Risk

Cricket devices with unpaid balances, reported lost, or fraudulently purchased may be on the GSMA blacklist — they will not work with any carrier worldwide. An IMEI check identifies this risk upfront.

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What IMEICheck Shows

Whether the original carrier is Cricket, SIM Lock status (locked/unlocked), blacklist status, device model, and original carrier information.

Cricket Official Unlock Policy (2026)

Find out if your device qualifies for free unlocking

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Postpaid

Cricket is primarily a prepaid service. Postpaid devices must be paid in full, with an active account and no outstanding balance, to qualify for unlocking. See Cricket's official policy for details.

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Prepaid

Cricket prepaid devices must be active for 6 months (180 days) before they can be unlocked. The device must be active on the network with no unpaid balance.

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Unlock Portal

Once eligible, visit cricketwireless.com to submit a request, or call Cricket customer service. Results typically arrive in 2–5 business days.

Note: The above is a summary of Cricket's public policy. Refer to Cricket's official website for authoritative information. IMEICheck is not affiliated with Cricket.

How to Check Cricket Lock Status

Step-by-step guide to verify your device

Step 1: Find Your IMEI

Dial *#06# on your Cricket phone. The 15-digit IMEI number will display on screen. Alternatively, go to Settings → About Phone → Status → IMEI, or check the original box barcode label. For iPhones, the IMEI is also printed on the SIM tray.

Step 2: Enter IMEI in the Form

Type or paste your 15-digit IMEI into the search form above. Double-check the digits — a typo will return incorrect results. The check runs instantly and does not require an account or payment for basic status.

Step 3: Review the Report

The IMEICheck report shows SIM Lock status, original carrier (Cricket or other), blacklist status, device model, and production info. If the device shows "Locked to Cricket," you need to meet the 6-month requirement before requesting an unlock. If it shows "Blacklisted," the device cannot be used on any carrier.

Step 4: Request Unlock if Eligible

If the device is eligible (active 6+ months on Cricket, no unpaid balance), visit the Cricket unlock portal or call customer service to submit an unlock request. The device should unlock within 2–5 business days. After unlocking, you can insert any compatible carrier SIM.

Cricket Buying Tips

What to check before buying a used Cricket phone

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Verify Unlock Status

Before buying a used Cricket phone, run an IMEI check to confirm it is unlocked. A locked Cricket phone cannot be used on other carriers until the 6-month active period is met — and the seller may not have an active Cricket account.

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Check Blacklist

Cricket devices with unpaid balances are frequently blacklisted. If the IMEI check shows "Blacklisted," do not buy the phone — it will not work on any carrier, and you cannot resolve the issue without the original account holder's cooperation.

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Confirm Model Match

Sellers may misrepresent the device model. Use the IMEI check to verify the exact model, storage capacity, and color match what the seller claims. Mismatches indicate a refurbished or counterfeit device.

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Test SIM Compatibility

If possible, bring your own SIM card to test before purchase. An unlocked Cricket phone should accept AT&T, T-Mobile, and other GSM SIMs immediately. If it shows "SIM Not Supported," the device is still locked.

Cricket vs Other Prepaid Carriers

Compare unlock policies across major US prepaid carriers

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Cricket (AT&T)

6 months active required. Runs on AT&T network. Unlock via cricketwireless.com portal. Once unlocked, fully compatible with AT&T and other GSM carriers.

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Metro (T-Mobile)

180 days active required. Runs on T-Mobile network. Unlock via metrobyt-mobile.com. Once unlocked, fully compatible with T-Mobile and other GSM carriers.

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Boost (Dish)

12 months active required — longest among prepaid carriers. Runs on AT&T/T-Mobile/Dish network. Unlock via boostmobile.com. Broadest compatibility once unlocked.

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US Cellular

50 days active (postpaid) — shortest among major carriers. Runs on USCC network. Unlock via uscellular.com. Supports both CDMA and GSM bands.

FAQ

What should I do if my Cricket phone is blacklisted?

If your Cricket device shows up on the GSMA blacklist, it may have been reported lost, stolen, or have an unpaid balance. Contact Cricket customer service to verify the reason. If the device was stolen, you will need to provide proof of purchase to request removal from the blacklist. If it is an unpaid balance, settle the bill and wait for automatic removal.

Can I use an unlocked Cricket phone on other carriers?

Yes. Once unlocked, Cricket devices support AT&T, T-Mobile, Verizon, and other GSM carrier SIM cards. However, some frequency bands may not be compatible, so verify coverage with your target carrier. Cricket uses the AT&T network, so unlocked devices are most compatible with AT&T-network carriers.

How long does Cricket take to unlock a phone?

Once you submit an unlock request through the Cricket portal or customer service, unlocking typically takes 2 to 5 business days. If the device does not unlock automatically after the 6-month active period, contact Cricket support to manually trigger the unlock.

Will a Cricket phone work on AT&T after unlocking?

Yes. Since Cricket runs on the AT&T network, an unlocked Cricket phone is fully compatible with AT&T SIM cards and other AT&T-MVNO carriers. Network bands and LTE/5G coverage will match AT&T native service.

Can I check if a used Cricket phone is unlocked before buying?

Yes. Ask the seller for the 15-digit IMEI (dial *#06# on the device) and run it through IMEICheck. The report shows SIM Lock status, original carrier, and blacklist status in seconds — protecting you from buying a locked or blacklisted device.