These files are intended for use with either
ChoiDuJourNX or
Daybreak (comes as a bundled homebrew with
Atmosphere by default) in order to
make an update without burning e-fuses. Any update conducted through
ChoiDuJourNX or
Daybreak allows you to downgrade to the previous firmware from which the update had started.
Update files can be gotten through here:
[Hidden content]
Update:
The link above seems to temporarily no longer host Switch's official firmware. Meantime, this homebrew should enable users to get the official update from the cloud directly from the console:
[Hidden content]
OR go to this site:
[Hidden content]