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i have updated my phone with new available software, but after updating mobile data plan is not working anymore. moreover i have asked for new gprs settings ang got them again, still its showing icon of plan on screen but not working
just reset your APN..<Setting-wireless setting-mobile network setting-Access Point Names-Reset to default>
And then Download Internet setting from ---> Setting--Xperia tm--Internet setting---Accept
Restart after dowload