vivo X21网络频段
vivo X21网络频段
2G GSM :850/900/1800/1900MHz ;
2G CDMA: 800MHz ;
3G CDMA EVDO:800MHz;
3G TD-SCDMA:1880/2010MHz;
3G WCDMA:850/900/1900/2100MHz;
4G TDD-LTE:B34/B38/B39/B40/B41;
4G FDD-LTE:B1/B2/B3/B4/B5/B8;
4G+ TDD-LTE:B38/B39/B40/B41/B39+B41;
4G+ FDD-LTE:B1/B3/B1+B3