Can't get all cards?

(This post is about mobile) Ive done the all cards before but forgot to link it and it poofed from existence, im now trying to get all cards again but when I go down the route of :

FV file explorer NOT in parallel space. android, data, parallel.

The folder ends up being empty, what did I do? Like im so lost.

Also I've done the all hero thing 5 times with no success