Downgrade prevention has been a cat-and-mouse game between consumers and companies since the inception of remote updates. The Nintendo Switch adopts a worrisome-strategy of preventing firmware downgrades by permanently modifying your device every time it updates. While this isn’t a new concept (the Xbox 360 was doing it back in 2007), it is part of a greater effort to prevent end users from modifying their devices to their liking.
The Nintendo Switch use an Nvidia Tegra X1 SoC, which comes with a fuse driver. This allows it to programmatically blow fusesâ€Š-â€Špermanently modifying the device, making it impossible to revert to a previous state.
Despite being used in an anti-consumer manner, the technology is fascinating.
Every time someone say that a vulnerability is unpatchable I die a little.
Is a boot sector, you can update boot sectors remotely, they were saying it about the PlayStation 3, well, that happened , Xbox? done as well.