The process of gaining access to a cellular device without being restricted to a specific carrier, and without incurring a financial charge, often involves the device’s unique International Mobile Equipment Identity. The intention is to use the device on any compatible network regardless of the initial provider lock. For example, a device originally locked to a specific network provider is made operable on a different network.
This procedure has considerable value for consumers seeking to switch carriers or travel internationally. It permits users to take advantage of potentially lower-cost service plans, and it eliminates roaming charges when overseas by allowing the use of local SIM cards. Historically, methods for achieving this involved complex procedures, potentially voiding warranties or compromising device security. The ability to do this without cost would offer significant benefits to device owners.