Is My Switch Patched Xkj1 Top !link! | BEST – 2027 |

Because the vulnerability is fixed in the hardware, you cannot use a "Jig" or software-only methods to install custom firmware (CFW).

| Top number example (full serial) | Likely status | Reasoning | |----------------------------------|---------------|------------| | XKJ100000000 – XKJ1002xxxxx | | Earliest Mariko units; bootrom fixed. | | XKJ1003xxxxx – XKJ1009xxxxx | Patched | Still Mariko; no unpatched models known. | | XKJ101xxxxxx and above | Patched | Confirmed patched. | is my switch patched xkj1 top

While the prefix XKJ indicates it is patched, you can verify it by entering your full serial number into a checker like ismyswitchpatched.com . It will tell you your console is "Patched." Because the vulnerability is fixed in the hardware,

Because it is patched, you cannot use a software-only "unpatched" method (like using a jig and a payload injector) to run custom firmware. | | XKJ101xxxxxx and above | Patched | Confirmed patched

If your serial begins with , your Switch is not vulnerable to the coldboot exploit that works on unpatched units (serial prefix XAW1, XAW4, XAJ1, XAJ4, XAK1 up to a certain range).

— A simple lookup tool for serial prefixes.

A Switch with serial XKJ1 is almost certainly patched against the Fusée Gelée hardware exploit (RCM hack). Unpatched units are generally found in serials up to XKJ7000xxxxxx (early 2018). XKJ1xxxxxxx indicates a significantly later build.