1、手机状态栏显示HD,表示已开启了高清语音通话功能,就是传说中的VoLTE,VoLTE是一种语音业务,能让电话接通等待时间更短,通话质量更高、它能在通话的同时,也能使用网络上网一边打电话,一边回微信、查看地图。
2、只有进行需要使用流量的操作时,才会消耗流量,使用VoLTE高清语音通话是不需要流量的。
3、如果不想使用VoLTE功能可以进入设置→更多设置→关于手机→SIM卡状态将VoLTE通话关闭,状态栏的HD也会随之消失
注:部分机型是进入设置→电话/移动网络/双卡与移动网络中关闭。
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