Apple working on four next-generation iPhone models, but only three will make it to market

It shouldn't be a surprise that Apple is working on a handful of iPhone prototypes before taking a final decision, but since plans can change on the fly, it's hard to tell which of these projects are going to be finalized and which will be abandoned.

However, Digitimes Research senior analyst Luke Lin believes he has the answer. According to him, Apple has four next-generation iPhone projects in the works, but only three of the products will eventually make their debut on the market.

The four iPhone models that Apple is now prototyping feature 5.7- to 5.8-inch LCD display, 6.0- to ...