: The string seems to be a mix of Japanese characters and English words. "Jutsuka" could be a Japanese word, and there are terms like "update" and "zip" that are easily recognizable.
: Select the 1.4.0 update NSP, choose "Install to NAND" or "Install to SD", and let the system overwrite the old version index. jutsukaicurclshjpnnswtchnspupdate140zipe upd
Keep an eye on update notifications and patch notes. Understanding what an update does can help you prepare for changes. : The string seems to be a mix