Full Specification Acer Liquid M220 Network : 2G/3G SIM : Single SIM (Mini-SIM) or Dual SIM (Mini-SIM/Micro-SIM, dual stand-by) Screen Display : 4.0 inches , TFT capacitive touchscreen Resolution : 480 x 800 pixels OS : Microsoft Windows Phone 8.1 Chipset : Qualcomm MSM8210…