If you break phones the same way you breathe air — as in you do it very often — having an insurance plan for your device might make sense to you. Manufacturers might offer policies, though most customers will go to their carriers... well, postpaid customers anyways. Prepaid customers haven't had much of an option in that aspect until when AT&T, with its partner Asurion, began offering its Mobile Protection plan back in April. This month, the carrier is working on boosting customer buy-in by offering open enrollment.