The iPhone 4 is still available through Apple's online store in China, checks
show. The 4 has disappeared as an option elsewhere in the world, the 4S taking its place as the cheapest option in Apple's iPhone lineup. Many carriers will be offering the 4S for free on contract. In China, an 8GB iPhone 4 is listed at RMB 2,588 (about $420) unlocked, while a 4S is RMB 3,288, and 16GB versions of the 5c and 5s are RMB 4,488 and RMB 5,288, respectively.
Specifications for the latter two phones meanwhile show support for TD-LTE. Apple has been promising a wider range of LTE bands, but TD-LTE is a distinct format used only by China Mobile. The specs therefore seem to confirm reports that China Mobile will get the iPhone this year
, although it's unlikely that Mobile will be ready to join China Unicom and China Telecom on the 20th.