แหล่งที่มา WikiPedia: ไอโอเอส 7 http://support.apple.com/kb/DL1682 http://support.apple.com/kb/DL1685 http://www.apple.com/apple-events/june-2013 http://www.apple.com/ios/ http://www.engadget.com/2013/06/10/ios-7-announced http://www.engadget.com/2013/09/10/ios-7-arrives-s...
