Xkj1 Top | Is My Switch Patched

Your Switch with serial XKJ1 and “TOP” on the label is 100% patched. There is no secret loophole, no hidden early run, no “TOP” trick. The word “TOP” is just factory labeling.

Query: XKJ1 (Top of serial number sticker)
Device: Nintendo Switch (Standard model, not OLED/Lite)
Target Check: Vulnerable to Fusée Gelée (RCM exploit)? is my switch patched xkj1 top

All XKJ1 units are “patched” (unpatched vulnerability is extremely rare / non-existent in retail models). Your Switch with serial XKJ1 and “TOP” on

The XKJ1 serial prefix corresponds to Nintendo Switch consoles with the “Mariko” Tegra X1+ chip (also known as the “HAC-001(-01)” model with improved battery life). The Fusée Gelée exploit was hardware-patched starting from this chip revision. Query: XKJ1 (Top of serial number sticker) Device:

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