$99 iPhone?

Apple is expected to dip its toe in the entry level market for its popular iPhone.Apple is expected to debut a $99 iPhone, as well as an iPhone 3G with updated performance, sometime in June or July.An entry level iPhone could increase Apple's overall iPhone unit sales by 25 percent to 69 percent and bump up its slice of the smart phone market from an estimated 12 percent to 14 percent to 19 percent.Talk of an entry level iPhone has surfaced in the past, from rumors of an iPhone Nano to a $99 iPhone @ Wal-Mart.

Expected entry level iPhone and updated iPhone 3G specs: