Geeksphone Revolution - Dual Operating System - GSM Unlocked - White 4.7" IPS qHD Multi-touch Screen. MultiOS technology allows you to switch from Googles Android OS to Boot2Gecko by Mozilla seamlessly. 8 MP Camera with Flash LED Sensor. Intel Atom Processor Z2560 with up to 1.6GHz. GSM/GPRS/EDGE: 850/900/1800/1900 MHz