Microsoft suggested an "inefficiency" between Yahoo Mail and the Windows Phone Mail client is causing Windows Phone 7s unexplained data drain for some users. – Microsoft is blaming
Yahoo Mail for a ?data drain? bug affecting a small subset of Windows Phone 7
devices.
For weeks, the company had been investigating complaints of
smartphones devouring users data, even when not running apps or cruising the
Web. Some users reported that this
unexplained c…
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