For experienced users only (requires homebrew).
If you want to change the v327680 back to a normal version like v196608:
Backup everything first. Incorrect modification can brick the update. Luigi-s Mansion 3 -0100DCA0064A6800--v327680--US...
One reason someone would search for 0100DCA0064A6800--v327680--US is save file manipulation. On a non-hacked Switch, save data is stored internally and cannot be directly copied to an SD card. However:
This 16-character hexadecimal string is the Title ID for a specific version of Luigi’s Mansion 3 on the Nintendo Switch. For experienced users only (requires homebrew)
Why does this matter?
Pro tip: The Title ID for the base game (no updates) is
0100DCA0064A6000. The fact that yours ends in6800suggests this may be a specific update or region variant. Backup everything first
When using custom firmware, the folder structure for game saves and updates looks like this:
/atmosphere/contents/0100DCA0064A6800/
/switch/Checkpoint/saves/0100DCA0064A6800/
The string you have is a direct copy-paste of a folder name or file listing.
/atmosphere/contents/0100DCA0064A6800/
├── romfs/
│ └── (DLC or patch assets)
└── exefs/
└── (updated main executable)