Huawei Honor 4X was officially announced in October 2014, Device released in October 2014 Huawei Honor 4X made under Honor.Mobile Network Support and BandHuawei Honor 4X have Dual Micro SIM Card Slots,Huawei Honor 4X support all GSM Based network providers. Huawei Honor 4X mobile device support 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900 and Hight Speed 3G Network Band at HSDPA 850,HSDPA 900,HSDPA 1900,HSDPA 2100,Huawei Honor 4X also support LTE based