According to an Asian news source, the rumored coming iPhone powered by A7 processor will be released as “iPhone 5S”. This source reported that KGI Securities analyst Ming-Chi Kuo’s guesses may be true. Ming-Chi guessed several points, the resolution of iSight camera will be stayed on 8M pixels but F-stop will be brighter up to 2.0. The gold color which is rumored as 3rd color of iPhone 5S will be optional, and rectangle mark of home button will be removed.
Additionally, the same source reported about a coming low-cost iPhone, which is covered by plastic case made from polycarbonate and glass-fibre, it will be released with expected name, 'iPhone 5C'.