Hello, I am interested in buying a phone from China. This is what it says on the website about supported frequencies: "- Support 2G 3G 4G network: GSM 850/900/1800/1900 & WCDMA 850/900/2100 MHz 4G LTE 850/900/1800/1900/2300/2600MHZ" Will I get 3G/4G...