Use SSH via some terminal or if you use windows some terminal emulator
like putty . And do it the old fashion way via command line . ( you can
use search functions there to )
But you need some admin password to your NAS and probably some setting
to gain terminal acess .
I have made a Reinstall of firmware + Restore Factory Settings on the
SBTouch which was asking for password (Yesterday it also suddenly asked
me for password to my LMS, so it apparently was a bit confused). I hope
this helps with the Spotify connection problems...
Regarding looking at if cache