手机信号栏突然出现“HD”或“E”，是什么意思？后悔现在才明白
随着科技的发展，手机现在已经成为了我们生活中不可或缺的一个工具了，现在几乎很多人都离不开手机了，而且移动支付的出现，让手机的作用变得极其重要。相信很多人都发现了这样一个现象，那就是我们无论走到哪里都会发现很多人都在低着头玩手机，而且有些地方甚至还有了专门为“低头族”建设了人行道，但是有很多时候我们对于自己的手机似乎都不怎么了解。相信很多人都发现了这样一个现象，有时候手机的信号栏会突然出现“HD”或“E”，这个时候很多人都不清楚为什么出现这样的状况？还担心是不是出了问题。接下来就给你讲讲手机信号栏突然出现“HD”或“E”，是什么意思？后悔现在才明白或许有的人知道这个东西，但还是有很多人不知道这个东西为什么会突然出现，其实原因也比较简单。
对于手机信号栏突然出现“HD”，应该有很多人有疑问，毕竟这个突如其来的东西，谁都会好奇是不是自己的手机突然开通了什么业务，其实有这样的怀疑很正常，而且怀疑的也非常正确。手机信号栏突然出现“HD”，其实是表明你的手机开通了高清语音业务，凭借4G网络，在结合VoLTE技术，这样我们通话的时候音质会更高，更清楚，很是不错。而且这项业务一般都不需要收费，不用担心无故被扣费，不过手机出现“HD”，耗用的流量会更快。
但是如果手机出现了字母“E”，这样的情况就不好了，这种情况会让我们的网络变得非常卡，甚至上网这个功能就相当于作废了，因为没有网速。但是有时候可以通过重启数据和重启手机来解决这个问题。不过有时候在信号好的时候字母E就会消失了。而且如果你到了户外，如果发现手机信号栏出现了E，也说明你当前所在的位置网络情况不好，最好还是要注意点。
手机信号栏突然出现“HD”或“E”，是什么意思？后悔现在才明白。现在你们知道原因了吧，对此你们有什么更好的看法吗？
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