-low cost mobile phones -android 2.3.6,4.3' -dual sim,dual stand by,gps -second hand phones available -mtk6573,bluetooth low cost mobile phones, original second hand phones available·Operation System:Google Android 2.3.6 ·Quad-band:GSM900/1800/1900/850MHz + WCDMA 3G 2100MHz·Dual sim cards dual standby (2sim online)·CPU:MTK 6573 with 650MHZ CPU·extend to 32GB max·WIFI:802.11b/g wireless internet ...