Contact Sprint, have them unlock your device. Contact Straight Talk, check online if your device is eligible to be used, then get a kit from them for the swap or head to a Straight Talk store (WalMart) and get it activated there.
Contact Sprint, have them unlock your device. Contact Straight Talk, check online if your device is eligible to be used, then get a kit from them for the swap or head to a Straight Talk store (WalMart) and get it activated there.