The Apple iPhone is not officially available in China, but China Mobile has apparently 400,000 iPhone users on their cell network.
Back in January the talks between Apple and China Mobile failed. Market Research company In-Stat reports that China Mobile already had 400,000 unlocked iPhone customers by the end of 2007.
Analysts estimate that up to 1.5m iPhones are unlocked and in use world-wide.
More details on Apple Insider.
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