Apple iPhone 5S promotional document reveals the phone's new features
Other features include the expected A7 processor, the same 4 inch display as on the Apple iPhone 5 with an unchanged 640 x 1136 resolution and a 326ppi pixel density. The rear camera remains 8MP but offers a lower f/2.0 aperture to allow for clearer photos under low-light conditions. A 2MP snapper will be upfront. The unknown capacity battery will provide for 8 hours of talk time and the dimensions remain at 123.8 x 58.6 x 7.6 mm while the weight stays at 112g. This appears to be the version of the phone that supports China Unicom, which explains the lack of LTE in the connectivity section.
You can check out the leaked publicity document in the slideshow below.
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source: CTechCn.com (translated) via NewCellPhonesBlog.com