Several of the large iPhones might soon have their 4 inch counterparts. Kevin Wang,research director at IHS China is predicting an 'iPhone 6C' that may be released in mid-2016, according to a post made on Weibo.
It is likely that the Apple smartphones might find themselves in a fix as majority of the Android handsets now sport a 5" screen for a minimum. There have been several rumors about a 4" iPhone in the past with a rumored set of specifications. There was a similar rumor when Apple released the iPhone 5C plastic, which was later discontinued.
While there were rumors about a iPhone Plastic phone in the works. A research note dated Nov 3 from Ming-Chi Kuo, analyst at KGI Securites pointed out to Apple producing a 4" inch iPhone with metal casing that would as well as have most resemble an "Upgraded iPhone 5S", according to 9to5Mac.
The smartphone could have several features such as Touch ID fingerprint sensor that are seen in the new iPhone 6S and the iPhone 6S Plus. According to Ming Chi Kuo, Apple will ship about 20-30 million units of a 4" iPhone by 2016. There is currently no 4 inch version of any Apple iPhones available in the market, other than the iPhone 5S which was released about two years ago.
Apple is expected to release the "iPhone 7" towards the third quarter of 2016. Rumor has it that the Apple 'iPhone 7' will have a thinner casing, edge-to-edge display and six-core A10 processor.