Hello everyone, I have purchased the new xperia x10. Well, having some problems with my mobile phone. I have been using since 2 months and really enjoying it so far. I do not know what happened unpredictable. Basically, the thing is that when I' brother a call and receive a message, the phone will not let me know. No sound or vibration. It would be great if someone can help me and let me know some ways out for me to know about the message. Thanks in advance.
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