http://www.simore.ch/en/ <br />Installation of the Dual SIM Card on a mobile phone Samsung SGH P310, starting the mobile, switching between SIM Card 1 and SIM Card 2 Simore Dual SIM Card is compatible with the mobile phone Samsung SGH P310 <br />http://www.simore.ch/en/mobile_phone_accessory/Samsung/SGH-P310.html
