The one of Chinese website, EXP Rerview has been unveiled new information about the next generation iPhone (aka iPhone 5S), they claim that the information is getting from supply chain in China.
They also has a leaked picture of iPhone 5S casing and according those picture we can see that the iPhone 5S has similar design with iPhone 5 but Apple will using different specs with the predecessor.
According to that website, the new iPhone will packs with 4 inch screen built from IGZO display with 1136 x 640 resolution. In Addition the iPhone 5S will has PowerVR SGX544MP4 quad-core GPU, and sports with 12 megapixel camera. There is also NFC and fingerprint capability.
For a while now, there is no information about the price and release date but, we assume that Apple will launching this phone soon.