The V2 model, identifiable by its all-red box and improved battery life, uses a patched Tegra X1+ chip. This hardware revision patched the "Fusée Gelée" vulnerability found in V1 consoles. That specific exploit allowed users to enter Recovery Mode (RCM) and push a payload over USB to bypass the bootloader. Because the V2 hardware lacks this physical vulnerability, you cannot simply use a paperclip (RCM jig) and a laptop to hack it. The Role of the Modchip
Very old firmware versions (4.0.0 to 4.1.0) had a browser-based exploit (Caffeine). However, most v2 Switches shipped with 6.0.0 or higher. Result: Useless for 99% of v2 owners. nintendo switch v2 jailbreak without modchip
The only way to bypass these hardware locks is to intercept the boot process physically . That means soldering a tiny computer onto the motherboard to glitch the CPU or deliver a payload via hardware. The V2 model, identifiable by its all-red box
Could a kernel exploit allow for some homebrew without a modchip? Possibly. But it would be: Because the V2 hardware lacks this physical vulnerability,
But what about the newer model? The Nintendo Switch v2 (also known as the "Mariko" or HAC-001(-01)), boasting double the battery life, arrived with a digital fortress Nintendo built specifically to stop the original exploit.
Releasing such an exploit would allow pirates to run stolen games on the latest firmware, causing massive financial damage to Nintendo. Consequently, the developers have kept the Deja Vu exploit private. Unless you are a high-level security researcher, this exploit is not available to you.