It is traditionally the place where the major mobile manufacturers announce their big releases. Mobile World Congress is one of the largest trade shows for the technology community in the world. A gathering of peers, journalists, manufacturers and designers it is a huge shop window to get a glimpse into the gadgets and goods that will be on the market over the coming months.

Xperia S is a big phone for Sony. It is their first since the Japanese electronics giant ended their ten-year partnership with Ericsson, buying them out and launching Sony Mobile Communications. The Xperia S is widely anticipated to be the flagship device for Sony at the 2012 Mobile World Congress in Barcelona. Having hemorrhaged a large slice of the huge market share that they enjoyed half a decade ago, Sony have reportedly lost around £200 million in the last year. The Xperia S could hold the key to clawing their way back into the smartphone market.

Most of the smartphone contains only single SIM. But some people like to buy phone which has a facility of two SIM. Generally people keep two SIM to call anyone in very cheap rate. Some people keep two or three phones to handle business call, personal call and other work. One good news for these people. Now LG introduce a phone, In which you can use three SIM.