Report: Apple to finally move iPhone to 4-inch screen

According to channel checks, Apple looks to be buying bigger screens from Asian suppliers that are at least 4-inches.

All previous models of the device have 3.5-inch screens, including the most recent iPhone 4S.

Apple is said to be working with LG, Japan Display and Sharp but not with Samsung, who is the company's largest competitor in the smartphone arena.

Samsung shipped 44.5 million smartphones last quarter, beating out Apple at 35.1 million although both company's continue to see exponential growth.