... -generation high-speed smart chip,MT6577-1.2GHZ Dual-core system,RAM:1G/512MB(Optional),5.5"QHD screen,960 x 540 ... points:MT6577-1.2GHZ Dual-core high-speed processing platformInternal RAM:1G/512MB(Optional)3G [Compatible:Band 1+Band 2+Band ... (Unit:mm)Hard platform:MediaTek MT6577-1.2GHZ Dual-CoreInternal:RAM:1G/512MB(Optional)+ROM:4GOS:Android OS, v4.1.1 ...