Yes, it always conflicts with official carrier settings like that.
Dont install ultrasnow untill you need to actually use the phone with an unofficial sim. Then when you need it open up cydia and install it, it just takes a minute.
If you're using it on official carrier and have ultrasnow installed all you do is causing issues like that and wasting your battery having ultrasnow keep running in the back to unlock a phone that doesnt need unlocking.