Originally Posted by afv011
They went to 4" due to market pressure (and at 4", the iphone 5 has a small screen by today's standards, and lowly resolution when you consider we are getting now 1080p screens). I can't see them going back to pre-iphone 5 screens; if you want 3.5", you might as well get an iphone 4s.
If T-Mobile USA's "end to phone subsidies" takes hold, you can bet good money that Apple will produce an inexpensive iPhone. (whether it is called an iPhone mini or not is debatable).
Apple will need to produce an iPhone that sells unsubsidized in the $250-$350 range.