Local mobile operators say they are not fretting over a sharp decline in new mobile phone users because the more important task now is to retain existing clients.

The number of new mobile phone users has fallen sharply this year, according to a report carried by news website VnExpress Sunday. The three largest phone companies Vinaphone, MobiFone and Viettel, would have a total of 130,000 new users a day in previous years, but the figure has dropped by 70 percent now, the report said.
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