Qualcomm is the manufacturer of processors in 90% of Android phones (Samsung, Xiaomi, OnePlus, Google Pixel, etc.). These chips use a specific partition called (Qualcomm Calibration Network).

Generic Repair IMEI (patch) on MediaTek devices with ChimeraTool 16 May 2025 —

: The official suite used for diagnostics and "Software Download" tasks, including QCN restores.