I CAN FLASH YOURE SPRINT IPHONE 4 ANY FIRMWARE UP TO 6.1.3 TO PAGE PLUS PLANS STARTING AT $12.00 AND UP.GIVE ME A CALL . FLASHING COMES WITH NEW NUMBER.YOU ADD PLAN
I CAN FLASH VERIZON IPHONE 4 AND 4S, SPRINT 4S IS NOT SUPPORTED
I DO NOT FLASH TO BOOST OR CRICKET