... OS,support 3G,WIFI,quadband,dual sim,dual camera Processor: Dual CoreCPU: MTK6575 ARM Cortex-A9 1GHzGPU ... Resulotion: Main: Real 5.0MP (Upgraded to 8.0MP back camera by Inner Program,Max output 3264 x 2448 ... Built-in)512MB RAMMemory Card: support to extend TF card to 32GB maximallyDimensions: 147.2x79.5x9.7mmPhone Weight ... 3G,WIFI,quadband,dual sim,dual camera,back camera 5mp,Built in GPS