These use the improved Tegra X1+ chip. Their serial numbers almost always start with XKJ or XKW . These consoles were built from the ground up to prevent the Recovery Mode (RCM) exploit. How to Confirm Your Model
The Nintendo Switch's operating system is based on a customized version of the Linux kernel, which has made it an attractive target for hackers. In 2018, a group of hackers discovered a vulnerability in the Switch's boot process, which allowed them to gain access to the console's underlying operating system. This exploit, known as the "coldboot hack," enabled hackers to install custom firmware, such as Atmosphère, on the Switch. is my switch patched xkj1 top
prefix indicates that you have a "Mariko" unit, also known as the These use the improved Tegra X1+ chip
Ultimately, determining the status of an "XKJ1" unit requires moving beyond the serial number prefix. While the "1" indicates an early manufacturing run, the only way to know for certain if a specific unit is vulnerable is to enter the "RCM mode" (Recovery Mode) and test if the device recognizes a payload injected via USB. The search for an unpatched Switch has become a niche treasure hunt, and for the owner of an XKJ1 unit, the serial number offers a glimmer of hope, but not a guarantee. It stands as a testament to Nintendo's successful hardware security revisions that, years later, enthusiasts are still combing through serial numbers, hoping to find a unit that slipped through the cracks before the door was shut. How to Confirm Your Model The Nintendo Switch's
: Currently, the only way to mod a patched console like yours is to install a hardware modchip (such as an RP2040-based chip). This requires advanced micro-soldering skills and professional installation is generally recommended. How to Confirm