... 4.03 OS 3.Quad band,dual sim dual standby 4.4GB ROM / 512MB RAM 5.3.MTK6575 Product Name: ... Smartphone android 3g gps dual sim, 512Mb RAM Star N9000 i9220 smartphones 5 " Capacitive touch ... Time: 180-240HoursMemoryBuilt-in Memory: 4GB ROM / 512MB RAM,Memory Card: support to extend TF card to 32GB maximallyDimensions ... ,(UK/EU/US/AU) Smartphone android 3g gps dual sim, 512Mb RAM