But device also praised as 'a step into the future'
Low-cost smartphones and sales into emerging countries drive a resurgence in overall mobile phone business
No Key Lime Pie in Android's future
Windows Phone platform gaining wider acceptance from makers, carriers and customers
Some still see no advantage for Apple to include NFC as merchant acceptance is slow in the U.S.
BlackBerry now ranks as 'secondary' buy for companies, behind Android and iOS, analysts say
iPhone 5S needs leading-edge innovation to stand out from cheaper, near-equal Androids, analysts said
Carnegie Mellon study looked at real-world cellular calling and millions of accident records from 2002 to 2005
