KDDI Corp., provider of the “au” mobile phone service, said Wednesday it will slash the fixed-amount charge for data transmission services such as email and Internet access, starting on Aug. 1. The au service has lagged behind the FOMA service of its archrival NTT DoCoMo in net increases of subscribers to third-generation high-speed, large-capacity data transmission services.
KDDI hopes to trump NTT DoCoMo on the strength of the sharp charge cuts, KDDI officials said.
At present, KDDI charges a uniform 4,200 yen a month for its “EZ Flat” 3G data service that allows users to send an unlimited volume of data at the flat rate, but they must pay the same fee even if they do not send large volumes of data.
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