Software Versions
This page lists the latest versions of Nintendo Switch firmware (Horizon OS), Atmosphere custom firmware, and Hekate bootloader, along with compatibility information.
Latest Version Information
Nintendo Switch
Horizon OS: 19.0.1
Custom Firmware
Atmosphere: 1.8.0
Supports up to 19.0.1
Bootloader
Hekate: 6.2.2
Last updated: 4/27/2025
Version Details
Horizon OS 19.0.1
This is the latest Nintendo Switch firmware version as of 4/27/2025.
Atmosphere 1.8.0
Atmosphere is the most popular custom firmware for Nintendo Switch. The latest version fully supports Nintendo Switch firmware up to 19.0.1.
Hekate 6.2.2
Hekate is a custom bootloader for the Nintendo Switch that provides additional features, backup capabilities, and launching options for custom firmware.
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Update Warning
Always check compatibility before updating your Nintendo Switch firmware or custom firmware. Updating without verification can break your setup or cause issues.
When a new Nintendo firmware is released, wait for Atmosphere compatibility before updating.