Ok so yesterday while driving through the hill country in roaming i was using the music app and pandora and they both worked great. But when I lost all signal I obviousaly couldn't use pandora, but I also couldn't get the music app to play. It would load but and go to catagory selected but it would then (about 5 seconds) go back to start screen in music app. I am curious if this is because the radio was trying to locate a tower to often therefor not allowing other apps/processes to work. I also had sprint navigation on