Following his earlier note about the iPhone 18 Pro and iPhone 18 Pro Max pre-orders, analyst Jeff Pu is back with a new prediction, this time about the iPhone Duo. Specifically, he says its availability through the end of the year will be more limited than estimated before.Pu now thinks only 6 million iPhone Duo units will be produced in 2026, down from a 7 million previous estimate. The reason for this isn't a lack of perceived demand, but constraints relating to the production of the phone's hinge. We have heard many times before that it's a very complex component to make, which may...