Hacking help error 2162-0002 after downgrading with choidujournx

[Akhorail]

Hi! i follow this tutorial: to run exfat memory on the switch system but after downgrading from 9.0.1 to 6.2 i keep getting this error when i try to launch atmosphere 2162-0002
what can i do to "unbrick" my console?

 

[BaamAlex]

First things first, don't follow videoguides.

to run exfat memory on the switch system but after downgrading from 9.0.1 to 6.2 i keep getting this error

Why exfat? Format your card with fat32. Have you downgraded your console with a exfat formatted card?