If the phone was blocked for , you must pay the outstanding balance to the carrier that placed the block. Once paid, the carrier will remove the block within 24–48 hours.

Here is the comprehensive guide on how to determine if your phone can be saved, the legal methods for removal, and the risks of trying to bypass the system. What Does an IMEI Block Mean?

The short answer is , but with a massive catch: it is only legally and permanently possible if the original owner or carrier resolves the underlying issue. A blocked IMEI (often called a "blacklisted" device) is generally restricted by a mobile carrier because the phone was reported lost or stolen, or has an unpaid financial balance. The Only Legitimate Paths to Unblocking