For a V2, installing a modchip is the way to run custom firmware and homebrew.
Nintendo employs incredibly strict security measures. If you manage to get a hardmodded V2 running custom firmware, you must follow these rules to avoid getting your console permanently banned from online play: Use an EmuMMC (Emulated NAND) nintendo switch v2 softmod
A “softmod” is modifying a device’s software—typically the console’s firmware or boot process—to enable unauthorized functionality (homebrew applications, emulators, custom firmware, backups, etc.) without permanently altering (or with only reversible changes to) the hardware. On the Switch platform this usually means running unsigned code by exploiting vulnerabilities in software or in the boot process, then installing custom bootloaders and payloads that allow advanced features. For a V2, installing a modchip is the
The legendary exploit works by exploiting a bug in the Switch's ReCovery Mode (RCM) USB stack, accessible by shorting specific pins on the right Joy‑Con connector while holding Volume+ and Power. This design flaw existed because the Tegra X1's bootROM allowed unsigned code to be executed via a stack buffer overflow, essentially bypassing all security checks. Because the bootROM is read‑only and cannot be patched with a firmware update, V1 units remain vulnerable forever. On the Switch platform this usually means running
Unlike early "V1" units (pre-July 2018), which contained a hardware vulnerability in the NVIDIA Tegra X1 bootROM, the V2 Switch features a revised chip that permanently fixed this hole.
If you have a v2 on firmware 4.1.0 or 5.1.0 (extremely rare – most v2 shipped with 8.0+), you might use (a web-based exploit) to launch Nereba , a partial code execution tool. But even then, you lack the kernel access needed for a real CFW.
Turn your Switch into a retro gaming powerhouse capable of playing classic consoles (NES, SNES, Sega, PlayStation 1, and N64).