I already made a backup of sysnand but didn’t do it before loading CFW on to install smash mods- is it necessary to clean sysnand for new backup?

badbaniel

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So I got an unpatched switch a few weeks ago and the only game I ever modded was smash and I never installed anything that wasn’t wi fi safe. I didn’t really know how modding my switch worked yet so I just did CFW on the sysnand. Now that I know more I want to start over and make it so where my sysnand is stock firmware and my emunand is CFW. However I never made a backup of my sysnand before I booted it up in CFW the first time. I only did it last night when I learned all this and then I realized this backup could be compromised because I didn’t do a backup of the fresh sysnad before getting loaded with CFW the first time.

I feel like my sysnand is probably clean and fine but for my peace of mind could I wipe the sysnand clean using the official unbricking guide and then make a fresh backup that’s been untouched of CFW of the newly cleaned sysnand?

Or is it unsafe and cleaning your sysnand should only be used as a last resort?

The reason I wanna use emunand is so I can mod other games safely and go online safely by installing incognito on it.
 

binkinator

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So I got an unpatched switch a few weeks ago and the only game I ever modded was smash and I never installed anything that wasn’t wi fi safe. I didn’t really know how modding my switch worked yet so I just did CFW on the sysnand. Now that I know more I want to start over and make it so where my sysnand is stock firmware and my emunand is CFW. However I never made a backup of my sysnand before I booted it up in CFW the first time. I only did it last night when I learned all this and then I realized this backup could be compromised because I didn’t do a backup of the fresh sysnad before getting loaded with CFW the first time.

I feel like my sysnand is probably clean and fine but for my peace of mind could I wipe the sysnand clean using the official unbricking guide and then make a fresh backup that’s been untouched of CFW of the newly cleaned sysnand?

Or is it unsafe and cleaning your sysnand should only be used as a last resort?

The reason I wanna use emunand is so I can mod other games safely and go online safely by installing incognito on it.

Without a clean backup to restore from, your Sysnand is forever tainted. Many have used @Kronos2308‘s Haku33 to clean up their Sysnand without any adverse impact. It’s probably your best case option.

With all these things once it’s tainted there will always be potential for Ninty to get a bug up their butt in the future to go after some edge case.
 
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