Dear Sir/Madam, I bought my new nokia6303 classic 1 month before. But usually drops its network and while taking over it its speaker doesn't work and voice is not audible to me. I went to service center but they suggested me change my BSNL sim because set is not supporting it and use another conection. How a set doesn't support to one paticular sim. Please tell me what I do. Thanking You. Yours Faithfully RITU RAJ. read full review »