Forensic analysis of the update (v1.1.0 to v1.3.0) reveals that Nintendo never implemented for the save file’s timestamp field. A simple hex edit of saveData.bin at offset 0x2F4 from 00 to FF unlocks all daily challenges. The scene groups simply automated this into a LayeredFS patch.
What an NSP Update Means
If you are managing your library via homebrew, you can install the update NSP using standard installers available on dr kawashimas brain training switch nsp update
For users running custom firmware (CFW) like Atmosphere, the hunt for the latest is a constant topic on forums like GBAtemp, /r/SwitchHaxing, and tinfoil.io. But what is the current status? Which update version are you looking for? And is it safe to install? Forensic analysis of the update (v1