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: Restoring or modifying identification numbers (strictly for legal repair purposes).

: Reading and writing deep system properties, performing logcat diagnostics, and taking bug reports. Hardware ID Management

The tool communicates with the phone’s (usually via USB and Qualcomm’s QDLoader/Diag mode ). Once connected, it sends AT commands and QMI (Qualcomm MSM Interface) requests to modify low-level partitions like EFS (Encrypted File System) , NV data , and Fuse partitions .