According to suppliers, “the most significant iPhone upgrade [will be] a four-inch screen and [the] new, sleek look…will require a unibody case.” The new iPhone 5 is set for an August – September launch. Continue reading for two more pictures.

This new, sleek look will be the most important reason that consumers decide to upgrade to the iPhone 5, while we believe the addition of 4G will also attract buyers of the new device.

[via Mac Rumors]