1 click setup verifies the downgraded emunand and is much safer than the 10.x --> 9.2 downgrade you've likely already done.
There is no way to avoid writing to sysnand. That's where the exploit occurs.
That method is going to be very new when it's released and may not be safer. He's already started the old method so he should probably finish that.
And OP, when you say you have already had problems ... what exactly are they?
First it started out with my router was not compatiable with any web based exploit took me a month to figure that out. Than figured out that and made it all the way to 2.1 downgrade and that kept failing.
Let me ask if i am forced to do this can i revirginize my 9.2 sysnand back with my backup? or does it need to permanently stay on the sysnand. i have heard of an older revision of Plailects guide that used to keep the emu and sys separate and emu was running al9h
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You can't. You can just run luma from menuhax with a 9.2 sysNAND and 11.0 emuNAND. You can't get the rewards without taking the risks :-)
Btw if it was possible to do it without downgrading to 2.1, why do you think the guide would tell you to do it?
i already am downgraded to 2.1 on my emu nand i am at the one click setup step.
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If you want a 100% secure and brick-proof method, you better wait Plailect to implement ctrnand tranfer into his guide, it flashes a 2.1 FW into your sysnand but the thing is you don't need to downgrade manually anymore.
i already downgraded to 2.1 thats not the issue.