... MSM7225A:800MHz,can upgrade to 1GHz OS:Android 2.3.5 W+G,Dual SIM & Dual standby 2G: 850/900/1800/1900 3G:WCDMA ... card slot,support 32GB maxSpeakerSuper stereo sound effect USB PortUSB2.0 port and USB chargerRingtones TypePolyphonic (64 channels), Supprot mp3, ... call firewall, Succinct and dreamlike interface, Strong software support, Hard start, Touch FLO dynamic operation, Set password to memery card ...