Tethered Nintendo Switch 2 Jailbreak Lets Users Run Homebrew and Access Files

Overview

• The tethered jailbreak called ns2jb was demonstrated Monday by researcher Sammy Hajhamid and runs through the backward‑compatible SmileBASIC 4 app to enable native code execution on Switch 2.
• The exploit is tethered, so it requires a PC to activate and stops working after a system reboot, meaning it does not provide persistent custom firmware.
• Community members have used the tool to run homebrew, show a YouTube client and extract game assets, and there are reports of partial game and RomFS dumps that have not been independently verified.
• Nintendo and some storefronts have removed SmileBASIC 4 from eShop listings to limit new access, but removals do not affect users who already downloaded the app.
• Separate reports say researcher Gezine has outlined an untethered save‑data installer concept and researchers used AI assistance to speed discovery, which could speed escalation and make firmware or store fixes the key next steps.