One of the surest signs of an Apple product being replaced/refreshed is that said product is no longer available and lacks an expected availability date.  The latest product to go unavailable w/no expected availability date is the iPhone.”The change follows multiple weeks during which the American website had already cited delays of between five to seven days for new orders.Apple’s shortfall for its direct channel is also the culmination of a slowly widening shortage that first became evident in late March,