Microsoft has told BBC News that it is investigating why some handsets running its Windows Phone 7 software are sending and receiving “phantom data”.
Several net forums detail complaints from people that say their phones are automatically eating into their monthly data plans without their knowledge.
Some have complained that their phone sends “between 30 and 50MB of data” every day; an amount that would eat into a 1GB allowance in 20 days.
Most complainants are based in the US.
“I received an e-mail from AT&T saying that I was close to my 2GB data limit which truly shocked me as I feel I do not use data that much,” a phone owner called Julie told Paul Thurrott’s supersite for Windows.
Read More/Source: BBC News