version, usually because a system update didn't finish properly or you restored a NAND backup without including all required partitions. Outdated Custom Firmware (CFW)
pkg2 read failed
failed to launch HOS
Replace on SD: Delete the existing bootloader folder on your SD card and replace it with the new one. Overwrite existing Atmosphere files. pkg2 read failed failed to launch hos
This error generally indicates that the console cannot read or decrypt the secondary package (pkg2) required to start the Switch’s operating system. Common Causes
Do not skip steps. Perform these in order. version, usually because a system update didn't finish
A pop-up window obscured the game art. It wasn't a generic error code. It was specific, technical, and terrifyingly final.
The error message "pkg2 read failed! Failed to launch HOS!" typically occurs on a modified Nintendo Switch using the Hekate bootloader. It indicates that the bootloader cannot access or read the Package2 (kernel and core system files) required to launch the Horizon OS (HOS) Common Causes This error generally indicates that the console cannot
In short, the boot process stops because the necessary system package cannot be accessed or is corrupted.