Mobile Network Support and BandSony Xperia 1 III 5G have Hybrid Dual Sim Card Slots,Sony Xperia 1 III 5G support all GSM Based network providers. Sony Xperia 1 III 5G mobile device support 2G Band Frequency at GSM: 850/900/1800/1900 and Hight Speed 3G Network Band at WCDMA bands 1/2/4/5/6/8/19,Sony Xperia 1 III 5G also support LTE based 4G Networks Support at Frequency level 4G LTE B1/B3/B5/B8/B38/B40/B41,comes with network handling support with Network settings and work