In many jurisdictions, including the United States, United Kingdom, India, and the European Union, . It is often used by bad actors to unblock blacklisted or stolen phones.

: Ability to backup, restore, or write original vendor image files to fix soft-bricked devices. Read/Write EFS/QCN

The is not usually a single, monolithic program, but rather a bundle or collection of specialized tools designed specifically for Samsung Galaxy devices to repair IMEI numbers and patch certificates. These tools are designed to interact with the device's baseband (modem) and EFS partition, where network data is stored. Common Tools Included in IMEI Repair Packs