Locate and completely delete the atmosphere folder and the sept folder (if present from older installations). Do not delete your Nintendo or emummc folders, as these contain your games and saves.
Files on the SD card were corrupted during a copy-paste process or during a system update.
Ensure your configuration file points to the correct package3 file. Modern setups should include the line pkg3=atmosphere/package3 under the CFW boot entry. pkg2 read failed failed to launch hos
: This often happens if a NAND restore was incomplete, leading to a version mismatch between the boot components. Troubleshooting Steps
: If the error appeared immediately after installing a modchip (like HWfly), it may point to a loose eMMC connection or a short circuit in the soldering. Step-by-Step Troubleshooting Guide 1. Update Your Custom Firmware Locate and completely delete the atmosphere folder and
: The console's primary boot stage ( pkg1 , stored in BOOT0/1 ) does not match the version of the second boot stage ( pkg2 , stored in the system NAND or emuMMC). This happens during failed or incomplete firmware updates.
He looked at the error message again. Failed to launch HOS. Ensure your configuration file points to the correct
: Always back up your Nintendo and emummc folders before formatting or deleting files to avoid losing game saves and installed content.