Ps4 update file as wordpad?

Hello my dears

today i got the update file for ps4 because sony says i need it in the loading screen and it would be possible to use 7.51 as a wordpad it just doesn't want to appear normal

What do you think? This is a PUB file

Is that the right pup updatei type

You can take it like that

Just take it is a pup file that works