A reader of 9to5mac received an notification from his iPhone 4S Sprint order that his iPhone 4S has already been shipped today. This means that Sprint has started shipping the iPhone 4S and the first people may already receive their device tomorrow. “Those in the AT&T camp are reporting that their orders are not longer listed as “backordered” and are now being processed by AT&T warehouses across the nation.” Let us know if you already received an shipping notification from you order.