Japan's NTT DoCoMo suffered the worst month of customer attrition in the company's history in September, placing blame in part on constrained supplies of Apple's new iPhone 5s and iPhone 5c.
(NTT Mobile Communications Network, Inc., Japan) Founded in 1991, NTT DoCoMo is a spin-off of Japan's NTT (Nippon Telegraph and Telephone Corporation) which provides wireless services, including ...
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