The second Snapchat example here--
so not all Snapchat data is encrypted.
This is present day.
Again, you may need a full file system acquisition to get this.
So here, you can see, we have a full file system acquisition.
We can see pictures.
We can see chat messages going back and forth.
You should be able to get videos,
messages, conversations.
Stories may or may not be available
depending if you can get the encryption key.
But we've come a long way with Snapchat.