Look for the entry point of the code to start tracing how the firmware boots up. Practical Use Cases
Checking if a pre-compiled UF2 firmware contains hardcoded Wi-Fi credentials or "phone home" telemetry. uf2 decompiler
The first step in decompiling a UF2 is usually converting it back into a standard binary. The official Microsoft UF2 GitHub repository provides a Python script called uf2conv.py . Look for the entry point of the code