Hacking Question How to downgrade from 6.0.0

wurstpistole · Oct 22, 2018

He won't be able to downgrade below 6.0.0 anyway with 7 fuses burnt. I wonder why no one told him that until now.

Draxzelex · Oct 22, 2018

wurstpistole said:
He won't be able to downgrade below 6.0.0 anyway with 7 fuses burnt. I wonder why no one told him that until now.

Well, he can but he only boot the console up if he enters RCM then uses a bootloader that bypasses the fuse check. And once he enters Horizon, the console will crash if it enters sleep mode. So its not really impossible to downgrade, but its a pain in the butt to deal with.

Jordanli8 · Oct 22, 2018

lordelan said:
Sorry but ... LOL. That's your reason?
Seriously write TX a mail about that issue and wait for the next update. It's nothing killing you but downgrading your FW for that is much of a hassle. A few games (and savegames) might become incompatible with lower firmwares and I don't think your user partition (all your settings / use data / avatar and so on) will work with an older FW once it has been used with a newer one unless you're turning back with an update instead of installing a FW through ChoiDujourNX.

No matter how you look at it, seriously, don't do it just because of some dump thumbnails. Wait for SX OS to update that issue.

Thanks for talking some sense into me that was my main choice to stay where I am right now any way, just a little ocd is what is playing in my head that’s all, again thanks for your guidance, just one more thing how do I stop fuses burning with ChoiDujourNX without updating or downgrading ?

lordelan · Oct 23, 2018

Jordanli8 said:
Thanks for talking some sense into me that was my main choice to stay where I am right now any way, just a little ocd is what is playing in my head that’s all, again thanks for your guidance, just one more thing how do I stop fuses burning with ChoiDujourNX without updating or downgrading ?

You need to understand what burns the fuses (and what not).
The only thing burning fuses is when you boot through Nintendo's stock boot loader (so NOT any hekate or other payload stuff through RCM)
and
if that stock boot loader then detects that your installed FW is higher than your count of fuses which should have been burned for that FW.

So installing a FW does not burn fuses. Using hekate or RajNX or ReiNX or SX OS (1.2 or higher) does not burn your fuses.
Knowing this you can install any new firmware, either through the official way (if you're not banned) or through ChoiDujourNX.
The thing is that your Switch would reboot to the stock boot loader if you do it the official way (not through ChoiDujourNX) so your only way to prevent fuses to get burned would be to hold VOL+ and Power while the system reboots.
To prevent this risk ChoiDujourNX automatically enables AutoRCM so you can't reboot into the stock bootloader (which - as we remember - is the only thing that's burning fuses).

Jordanli8 · Oct 24, 2018

lordelan said:
You need to understand what burns the fuses (and what not).
The only thing burning fuses is when you boot through Nintendo's stock boot loader (so NOT any hekate or other payload stuff through RCM)
and
if that stock boot loader then detects that your installed FW is higher than your count of fuses which should have been burned for that FW.

So installing a FW does not burn fuses. Using hekate or RajNX or ReiNX or SX OS (1.2 or higher) does not burn your fuses.
Knowing this you can install any new firmware, either through the official way (if you're not banned) or through ChoiDujourNX.
The thing is that your Switch would reboot to the stock boot loader if you do it the official way (not through ChoiDujourNX) so your only way to prevent fuses to get burned would be to hold VOL+ and Power while the system reboots.
To prevent this risk ChoiDujourNX automatically enables AutoRCM so you can't reboot into the stock bootloader (which - as we remember - is the only thing that's burning fuses).

thank you so i think you are saying i am safe as i can not reboot stock unless i do so through sx pro dongle (I can not boot without dongle because i need to switch to stock through sx pro rcm) is this right and is it normal to not be able to boot without dongle ?

wurstpistole · Oct 24, 2018

When AutoRCM is active, you cannot boot without sending a payload, i.e. by USB and computer, or your dongle. While this is active, it is impossible to boot stock and thus, to burn fuses

Hacking Question How to downgrade from 6.0.0

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