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Carrier Lookup Service

Check your cell phone's network via IMEI

  • Instant & reliable network Checker
  • Simple check before buying or unlocking a phone
  • Valid for iPhone, Samsung, HTC, Huawei...

Find out what carrier your phone belongs to:

  • Essential to unlock some phones.
  • Vital whether you are selling or buying a used phone.
  • The report may include more information like exact model, warranty, blacklist status...
  • Data sourcing from official manufacturer's database.
  • Helpful for reading up on any used smartphone you want to buy.
  • Valid for Samsung, iPhone, LG, HTC, Nokia, Sony... phones
  • Fast, safe, and completely anonymous.

WARNING! This service checks the original carrier of a phone. If you want to unlock it, request your phone unlocking.

Trust, Safety and Integrity

Trust, Safety and Integrity

Over 16 years providing 7+ Million recharges, unlocks, checks and gifcards to date.

Extremely Happy Customers

Extremely Happy Customers

Over 25,000 happy reviews combined on Google and Trustpilot

Lowest Prices Guaranteed

Lowest Prices Guaranteed

Transparent upfront pricing and best price guaranteed or your money back.

doctorSIM reviews

Video: How to unlock a phone

Checks Activity Stream
66,802
142,171
3,129,612
7,22%

FAQs

Why unlock your phone with doctorSIM?

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REPUTATION

The recommended method by the phone manufacturers and network providers.

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GUARANTEE

The simple, fast, safe and legal way to unlock your phone.

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SAFE

This method is permanent and doesn?t void your phone?s warranty.

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SECURE

Your phone never has to leave your side.

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EASY TO USE

Continue using your phone during the unlocking process.

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SUPPORT

First-class customer support available 24 hours a day by telephone, chat and e-mail.

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VERSATILE

You will be able to use your phone with any network provider in the world.

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EXPERIENCE

Backed by over 5 million successful unlockings to date.

Other useful IMEI Checks
FREE Blacklist Check

Check if your phone has been blacklisted in our proprietary database. Limited query.

FREE Blacklist Check
Premium Blacklist Check

Get your comprehensive Blacklist report from the GSMA Assoc within minutes. Detailed country and carrier information included.

Premium Blacklist Check
Locked Status (only iPhone)

Verify if your iPhone is locked or not before placing your unlocking order.

Locked Status (only iPhone)
Unlock Eligibility (only iPhone from Sprint)

Find out if your phone can be unlocked.
Recommended before buying a used phone.

Unlock Eligibility (only iPhone from Sprint)
Unlock Eligibility (only iPhone)

Find out if your phone can be unlocked.
Recommended before buying a used phone.

Unlock Eligibility (only iPhone)
Unlock Eligibility

Find out if your phone can be unlocked.
Recommended before buying a used phone.

Unlock Eligibility
iCloud Status (only iPhone)

Perform this check before you decide to buy or network unlock an iPhone.

iCloud Status (only iPhone)
Mi Account Xiaomi Status (only Xiaomi)

Find out if the Xiaomi Mi Account is on.
Quick and official Xiaomi check.

Mi Account Xiaomi Status (only Xiaomi)
Warranty Status

Find out the warranty's expiry date and tech support eligibility.

Warranty Status
Identify Model (FREE)

Check if your phone has been blacklisted in our proprietary database. Limited query.

Identify Model (FREE)
UNLOCK

Find out the warranty's expiry date and tech support eligibility.

HTC Chequeo Operador
UNLOCK

Find out the warranty's expiry date and tech support eligibility.

Huawei Chequeo Operador
UNLOCK

Find out the warranty's expiry date and tech support eligibility.

iPhone Chequeo Operador
UNLOCK

Find out the warranty's expiry date and tech support eligibility.

LG Chequeo Operador
UNLOCK

Find out the warranty's expiry date and tech support eligibility.

Motorola Chequeo Operador
UNLOCK

Find out the warranty's expiry date and tech support eligibility.

Nokia Chequeo Operador
UNLOCK

Find out the warranty's expiry date and tech support eligibility.

Samsung Chequeo Operador
UNLOCK

Find out the warranty's expiry date and tech support eligibility.

Sony Xperia Chequeo Operador