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Horizon-OC/Source/Atmosphere-MTC-Unlock/docs/components/fusee.md
2025-11-09 15:44:33 -05:00

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fusée

fusée is a custom bootloader used to start the Atmosphère environment.

fusée

fusée is the first piece of Atmosphère's code that runs on the hardware. It is distributed as a standalone payload designed to be launched via RCM by abusing the CVE-2018-6242 vulnerability.

This payload is responsible for all the low-level hardware initialization required by the Nintendo Switch, setting up the cryptosystem, mounting/emulating the eMMC, injecting/patching system modules, and launching the exosphère component.