苹果7开4G就无服务?三大故障解析+自救指南,苹果7使用4G网络无服务问题解析与自救攻略
Does an iPhone 7 have no service when 4G is on? Analysis of Three Major Faults + Self-Rescue Guide: Analysis and Self-Rescue Strategy for No Service When Using 4G Network on iPhone 7
以上为机器翻译结果，长、整句建议使用 人工翻译 。