: Use NS-USBloader on your PC to "upload" the update NSP to your Switch while Tinfoil is running.
: On your PC, a new drive named "Switch" will appear. Open it and navigate to the "4: External SD Card" or "5: MicroSD install" folder. batman the telltale series switch nsp update install
If using , your Switch will appear as a drive on your PC. Drag the NSP file into the Custom Install or Install folder. : Use NS-USBloader on your PC to "upload"
Check the under the game title to ensure it has increased. If using , your Switch will appear as a drive on your PC
The technical act of installing an update NSP for Batman: The Telltale Series is straightforward for those who have modded their Switch consoles. Unlike the official eShop method, which requires an internet connection and Nintendo’s servers, a sideloaded NSP update allows a user to patch the game directly from a local file. This is especially relevant for preservationists or players in regions with poor connectivity. The update file—typically ranging from a few hundred megabytes to several gigabytes—overwrites specific system modules within the base game, replacing buggy code related to the Telltale Tool engine’s performance on the Switch’s Tegra X1 chip. Once installed via a title manager like Tinfoil or DBI, the game’s executable is effectively rebuilt.