不支持 4+ (4G 聚合) 尊敬的客户，Galaxy M51 支持 2G GSM、3G WCDMA、4G LTE FDD、4G LTE TDD 网络连接。希望这对您有所帮助。问候，三星印度####[['4G 聚合', 'Signal#Signal of Mobile Network', 'negative'], ['2G GSM', 'Signal#Signal of Mobile Network', 'positive'], ['3G WCDMA', 'Signal#Signal of Mobile Network', 'positive'], ['4G LTE FDD', 'Signal#Signal of Mobile Network', 'positive'], ['4G LTE TDD 网络连接', 'Signal#Signal of Mobile Network', 'positive']]