Have you checked the SAR of your Mobile ?
The Acceptable power radiation for cell phone must not exceed 1.6 W/KG The lower the SAR(Special Absorption Rate) the better the phone, from a potential health hazard. How can I find my Mobile's SAR ? 1. From the user manual of the mobile. 2. Vsist http://www.mmfai.info/public/sar.cfm Use Good Mobile and Happy talking.