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How to Check if an iPhone Is Blacklisted (Step-by-Step Guide)

Learn how to check if an iPhone is blacklisted before buying a used device. Discover simple methods to verify blacklist status and avoid blocked phones.

3/10/2026Guide
How to Check if an iPhone Is Blacklisted (Step-by-Step Guide)

How to Check if an iPhone Is Blacklisted

Buying a used iPhone can save money, but it also comes with risks. One of the biggest problems buyers face is purchasing a device that has been blacklisted by carriers.

A blacklisted iPhone cannot connect to mobile networks, which means it cannot make calls, send SMS messages, or use mobile data with a SIM card.

Fortunately, there are simple ways to check if an iPhone is blacklisted before you buy it.

What Does It Mean When an iPhone Is Blacklisted?

An iPhone becomes blacklisted when its IMEI number is reported to carriers as:

  • lost
  • stolen
  • involved in insurance fraud
  • associated with unpaid financing

Once the IMEI is added to the blacklist database, many mobile networks will refuse to activate the device.

This system helps prevent phone theft and protects both carriers and consumers.

Method 1: Check the IMEI Number

The most reliable way to check if an iPhone is blacklisted is to verify its IMEI number.

Every iPhone has a unique IMEI code that identifies the device on mobile networks.

You can easily run a check here:

An IMEI check can reveal important details about the device, including blacklist status.

Method 2: Find the IMEI on the iPhone

Before running a blacklist check, you need to locate the device's IMEI number.

On iPhone Settings

  1. Open Settings
  2. Tap General
  3. Tap About
  4. Scroll down to find IMEI

Using the Dial Code

Another quick method is dialing the code:

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