Guides
Plain-English explainers on what IMEI data means and how to use it before you buy or sell.
What Is an IMEI Number and Why It Matters When Buying a Used Phone
A plain-English explainer on what an IMEI is, how it identifies your phone, and why checking it protects you from scams when buying used.
GuidesHow to Check if an IMEI Is Blacklisted (GSMA Guide)
A step-by-step guide to checking any IMEI against the global GSMA blacklist to avoid lost, stolen or carrier-blocked devices.
GuidesWhat Is a SIM Lock and Can You Remove It?
A plain-English explanation of SIM lock, why carriers use it, and the only safe way to remove it from an iPhone or Android.
GuidesiPhone vs Android: What an IMEI Check Reveals on Each
The same IMEI lookup returns different fields for iPhone and Android. Here is what to expect on each platform.
GuidesIMEI vs Serial Number: What’s the Difference?
Two identifiers, two purposes. Learn when to use an IMEI and when a serial number is required for a device lookup.
GuidesWhat Does a “Clean” IMEI Mean?
Sellers say “clean IMEI” — but what does it actually confirm? Understand what a clean status does and does not guarantee.
GuidesCan You Check an IMEI for Free? Free vs Paid IMEI Checks
Basic IMEI identification can be free, but deep checks like blacklist and carrier need paid data. Here is what each covers.
GuidesWhat Is the TAC in an IMEI Number and How to Read It
The first 8 digits of an IMEI are the TAC (Type Allocation Code) that identifies the phone model. Learn how to read it.
GuideseSIM vs SIM Lock: Does eSIM Affect IMEI Checks?
eSIM phones are just as subject to carrier and SIM locks. Learn how eSIM interacts with IMEI checks and activation locks.
GuidesHow to Read an IMEI Report: A Beginner's Guide
IMEI reports contain device, carrier, blacklist and lock data. Learn what each section means and how to act on it.
GuidesCarrier Lock vs Network Lock: What's the Difference?
Carrier lock and network lock sound similar but refer to different restrictions. Learn the difference before you buy.
GuidesIMEI Check for iPad and Tablet Devices
Tablets have IMEI numbers too. Learn how to check iPad and Android tablets for blacklist, warranty and carrier lock status.
GuidesSIM Lock Meaning and How to Remove It
A SIM-locked phone only works with one carrier. Learn what SIM lock means, why it exists, and how to get it removed.