1. 01X

    OP 01X Member
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    Last night I opened my switch to install the SX Core, and to my surprise I am looking at a V1 unit.

    I had tried to run fusee and other exploits and they all failed. citing that the unit was a patched unit that I assumed was a V2.

    Now I am looking at it and it's clearly a V1 so I have a few questions. How did nintendo patch the V1 and stop fusee from working on it, and my second question is this:
    would it be possible to install the SX Core, and downgrade my firmware to a build lower than what it shipped with, and then remove the SX core since this is a V1 chip?

    Thank you for any answers you guys can provide.

    [​IMG]
     
  2. NoxiousNinja

    NoxiousNinja Member
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    The Tegra X1 has support for IROM patches, which are basically a factory-programmable set of fuses that can override bootrom code. Around mid-2018, Nintendo developed a patch for the RCM bug in this format and started shipping it on V1 models.
     
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  3. 01X

    OP 01X Member
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    Thanks for the info. So basically the smartest thing I can do is leave the SX core in?
     
  4. NoxiousNinja

    NoxiousNinja Member
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    I think so, yeah. I don't know much about the SX Core, but all models of the Switch have anti-downgrade hardware fuses, so if you tried downgrading then removing the modchip, it just wouldn't boot.
     
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