According to media report, iPhone5S specifications leaked, allegedly, iPhone 5S has a 4-inch IGZO display with resolution of 1136X640, 1.2G A7 four-core processor with PowerVR SGX 554MP4 GPU, 2G RAM, will be available in 16G/32G/64 G/ 128G version, 1200W pixel rear camera, support the global 4G network (including mobile TDD), support for fingerprint recognition to unlock and NFC payments. In addition, Home key has an LED indicator, when unlocking or a successful payment, LED lights will flash.
Had been rumored iPhone5S will use the full HD resolution, but the fact, iPhone 5S only use IGZO screen instead of IPS screen.