Mobile Network Support and BandVivo Y51 2020 have Dual Nano-SIM Card Slots,Vivo Y51 2020 support all GSM Based network providers. Vivo Y51 2020 mobile device support 2G Band Frequency at GSM: 850/900/1800/1900 and Hight Speed 3G Network Band at WCDMA B1/B5/B8,Vivo Y51 2020 also support LTE based 4G Networks Support at Frequency level 4G LTE B1/B3/B5/B8/B38/B40/B41,LTE: B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B20/B25/B26/,comes with network handling support with Network settings