Apple likely does have a permanent hardware fix for iPhone 4 reception under its sleeve, new shipping notifications suggest. E-mails from Apple are said to be going out to some iPhone 4 buyers, according to AppleInsider, informing them of an "unexpected delay" in delivery. RBC Capital Markets analyst Mike Abramsky points out that estimates for online orders have stretched out from 7 to 10 days to three weeks, which may hint that a changeover is happening in production.