It seems like a common sense Muve (sorry, we couldn't resist), but with this latest service redesign, Cricket's letting smartphone users store their Muve Music tracks internally. The storage swap isn't as simple as it sounds and applies only to handsets with more than 4GB of internal storage. For less robust handsets, any SD card will do, which is a break from Cricket's former practice of requiring a specific Muve-compatible SD card. In addition to getting