(Most famous & beginner-friendly)
The is a proprietary, real-time data collection and diagnostic tool used by engineers to interface directly with the firmware of devices powered by Qualcomm chipsets . While intended for professional testing and network optimization, it became famous in the XDA-Developers enthusiast community as a primary tool for "unlocking" cellular frequency bands. Core Functionality of QXDM qxdm xda
While often mentioned together, they serve different roles in the "hacking" workflow: Diag mode for QPST/QXDM on the Pixel 3 - is it possible? (Most famous & beginner-friendly) The is a proprietary,
: Specifically designed for protocol developers and network optimization engineers; it is not consumer software RRC and NAS messages).
: Tracking the handshakes between a phone and a cell tower (e.g., RRC and NAS messages).