: Extract the new CFW files to the root of your SD card. 2. Verify Your Payload
Ensure you are using the correct payload for the version you just installed. pkg2 read failed failed to launch hos
: Back up your /Nintendo and /emummc folders (where games/saves are), then delete the existing /atmosphere and /bootloader folders from your SD card. : Extract the new CFW files to the root of your SD card
The most frequent fix is ensuring all files on your SD card are compatible with the latest Switch update. : Back up your /Nintendo and /emummc folders
The error message (Horizon OS) is a common fatal error encountered by Nintendo Switch users running custom firmware (CFW) like Atmosphère or the Hekate bootloader . It typically indicates a communication breakdown between the console's hardware (eMMC) and the software stored on your SD card. Common Causes of the Error
: Get the most recent versions of Atmosphère and Hekate.
This error generally occurs when the bootloader cannot find or decrypt the Horizon OS kernel components due to: