{
    "network_prefer":{
        "2G":{
            "enable":1,
            "band":[
                {"DCS 1800":1},
                {"E-GSM 900":1},
                {"P-GSM 900":1},
                {"GSM 450":1},
                {"GSM 480":1},
                {"GSM 750":1},
                {"GSM 850":1},
                {"R-GSM 900":1},
                {"PCS 1900":1}
            ]
        },
        "3G":{
            "enable":1,
            "band":[
                {"B1":1,"full_name":"WCDMA IMT EUROPE JAPAN & CHINA 2100"},
                {"B2":1,"full_name":"WCDMA US PCS 1900"},
                {"B3":1,"full_name":"WCDMA Europe and China DCS 1800"},
                {"B4":1,"full_name":"WCDMA US 1700"},
                {"B5":1,"full_name":"WCDMA US 850"},
                {"B6":1,"full_name":"WCDMA Japan 800"},
                {"B7":1,"full_name":"WCDMA Europe 2600"},
                {"B8":1,"full_name":"WCDMA Europe and Japan 900"},
                {"B9":1,"full_name":"WCDMA Japan 1700"},
                {"B11":1,"full_name":"WCDMA 1500"},
                {"B19":1,"full_name":"WCDMA Japan 850"}
            ]
        },
        "4G":{
            "enable":1,
            "band":[
                {"B1":1},
                {"B2":1},
                {"B3":1},
                {"B4":1},
                {"B5":1},
                {"B6":1},
                {"B7":1},
                {"B8":1},
                {"B9":1},
                {"B10":1},
                {"B11":1},
                {"B12":1},
                {"B13":1},
                {"B14":1},
                {"B17":1},
                {"B18":1},
                {"B19":1},
                {"B20":1},
                {"B21":1},
                {"B25":1},
                {"B26":1},
                {"B28":1},
                {"B29":1},
                {"B30":1},
                {"B32":1},
                {"B34":1},
                {"B38":1},
                {"B39":1},
                {"B40":1},
                {"B41":1},
                {"B42":1},
                {"B66":1},
                {"B71":1}
            ]
        },
        "5G":{
            "enable":1,
            "band":[
                {"N1":1},
                {"N2":1},
                {"N3":1},
                {"N5":1},
                {"N7":1},
                {"N8":1},
                {"N12":1},
                {"N20":1},
                {"N25":1},
                {"N28":1},
                {"N38":1},
                {"N40":1},
                {"N41":1},
                {"N48":1},
                {"N66":1},
                {"N71":1},
                {"N77":1},
                {"N78":1},
                {"N79":1}
            ]
        }
    }
}