The iPhone will soon have a fifth carrier in the US, and it won’t be T-Mobile. Cricket today announced that on June 22, it will become the first carrier in the US to officially offer a pre-paid iPhone. Since is pre-paid, customers will have to pay full price for the iPhone. It will be sell unlocked, so you will be able to take it to any other GSM network if you decide to leave Cricket — and no early termination fees will be charged. The company advertises that you will receive unlimited minutes, text, and data for just $55 — throttling begins after you consume 2.3GB. The 16GB iPhone 4 will cost you $400, 16 iPhone 4S $500.