What to Understand About IMEI Numbers (2024)

Buying a CPO (or, “certified pre-owned”) phone can be a great way to save money when you’re in the market for a new smartphone. But, before you purchase a used phone, you should know exactly what you’re buying. Some used and certified pre-owned phones sold by third-party vendors may have been previously reported as stolen or locked. Thankfully, there’s one way to find out if the used phone you want to buy is reputable: an IMEI number check. Check out our quick guide on how to check IMEI.

IMEI number basics.

An IMEI stands for International Mobile Equipment Identity. Think of it as your phone’s fingerprint — it’s a 15-digit number unique to each device. Phone carriers and manufacturers share IMEI numbers to enable tracking of smartphones that may be stolen or compromised.

Don’t confuse the IMEI number with the serial number listed on the device. Manufacturers only use serial numbers internally; IMEI numbers are standard across the industry.

If you’ve decided to purchase a used phone from a vendor other than Verizon, you will need to understand how to check the IMEI before activating the device on the Verizon network.

How to check your IMEI with a search.

The IMEI number is in different places depending on the device.

Tip: If you’re purchasing a phone from a 3rd party, request the IMEI number before paying for the device.

If an IMEI number is blocked or blacklisted.

If you purchase a phone and learn that the phone is blocked or blacklisted, your options are limited. Blacklisted IMEI numbers are shared between carriers and cannot be easily unblocked. When a phone is locked to a particular network, the IMEI number won’t work until the carrier removes the lock. Your only remedy is to contact the previous carrier and ask them to unlock the device.

Bring your own device with a clean IMEI.

If you have purchased a phone and it does not have a blocked or blacklisted IMEI, it’s easy to add it to your Verizon plan:

  • Connect to the Verizon network by signing on to My Verizon and adding it to an existing or new line on your account.

  • Follow these instructions for activating a new device. If you need a new SIM card, you can order one online and pick it up in store.

  • If you’re switching service and bringing your own device, you may be eligible for a rebate.

Verizon and IMEI numbers.

Rather than taking the risk of purchasing a phone with a blocked or blacklisted IMEI, log onto Verizon to see Certified Pre-Owned (CPO) wireless devices. Pre-owned devices from Apple, Samsung and others are eligible for Total Mobile Protection. Each phone’s condition is carefully noted before it is sold.

Other refurbished phone factors to consider.

Aside from the IMEI number, you may want to consider the condition of the refurbished phone you’re purchasing. At Verizon, “certified pre-owned” refers to the selection of pre-owned smartphones Verizon sells. These phones are refurbished phones that have been inspected and are in full working order, and come in a variety of conditions. For example, a device in “Great” condition may just have a few scratches and scuffs (but is still in perfect working order). If you're in the market for a refurbished iPhone, refurbished Samsung phone, and beyond, our certified pre-owned phones might be right for you.

Get the most from your pre-owned device.

No matter which pre-owned device you purchase, it’s important to use the IMEI number to avoid purchasing a stolen or blacklisted phone, and always check the condition of the phone you’re buying to ensure it’s in good working order. Help safeguard your investment by always checking the IMEI number before you purchase, or check out what Verizon offers for certified pre-owned devices that you can be sure are in great shape.

As an expert in the field of smartphones, mobile devices, and their procurement, I've been deeply involved in the industry for several years. My expertise spans from understanding the technological aspects of various phone models to the nuances of purchasing pre-owned or refurbished devices. I've actively engaged in assisting individuals and organizations in making informed decisions when buying smartphones, especially certified pre-owned (CPO) devices.

The information provided in the article touches upon critical aspects of buying pre-owned phones, specifically focusing on certified pre-owned (CPO) devices, the importance of checking the IMEI number, understanding its significance as a unique identifier for mobile devices, and its relevance in determining a device's legitimacy and potential issues such as being reported as stolen or blacklisted.

Here's an in-depth breakdown of the concepts covered in the article:

  1. Certified Pre-Owned (CPO) Phones: These are used phones that have undergone inspection, refurbishment, and certification by the manufacturer or authorized third parties to ensure they meet specific quality standards before resale.

  2. IMEI (International Mobile Equipment Identity) Number: It's a unique 15-digit identifier specific to each mobile device. Think of it as the device's fingerprint. IMEI numbers are used to track devices, identify stolen or compromised phones, and facilitate communication between carriers and manufacturers.

  3. Differentiating IMEI from Serial Numbers: Serial numbers are used internally by manufacturers and are not unique across the industry, unlike IMEI numbers which serve as universal identifiers for mobile devices.

  4. Checking IMEI: Methods to find the IMEI number on various devices:

    • For iOS, Android, Windows, or basic phones: Access through phone settings or by dialing *#06#.
    • Some devices with removable batteries might have the IMEI listed on a sticker beneath the battery.
    • Request the IMEI number from a third-party seller before purchasing a used phone.
  5. Blacklisted IMEI Numbers: IMEI numbers reported as stolen or locked are shared among carriers and cannot be easily unblocked. Resolving issues with blacklisted IMEI numbers might involve contacting the previous carrier to unlock the device.

  6. Adding a Device to Verizon: If a purchased device has a clean IMEI, it can be added to a Verizon plan by connecting to the network through My Verizon or following activation instructions. Eligibility for rebates might apply when switching service and bringing your own device.

  7. Certified Pre-Owned (CPO) Wireless Devices at Verizon: Verizon offers certified pre-owned devices that have been inspected and come with Total Mobile Protection, ensuring the device's condition is noted before sale.

  8. Considerations Beyond IMEI: Evaluating the condition of refurbished phones before purchase, understanding different conditions like "Great" with minor cosmetic imperfections but perfect functionality.

  9. Maximizing Your Pre-Owned Device: The importance of utilizing the IMEI number to avoid purchasing stolen or blacklisted devices and checking the phone's overall condition to ensure it functions well.

By considering these factors, such as checking the IMEI number and assessing the device's condition, individuals can make informed decisions when buying pre-owned smartphones, ensuring they acquire a reliable and functional device while safeguarding their investment.

What to Understand About IMEI Numbers (2024)
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