原来华为手机的拨号键盘隐藏着这么多黑科技，别只用来打电话了！
每个手机都有一个拨号键盘，这是手机最原始的功能。不过，随着科技的发展，拨号键盘能做的事情越来越多，如果你只会用来打电话就Out了。
今天我们就一起来揭晓：华为手机拨号键盘里隐藏的黑科技吧。
1、鉴别手机真假
购买手机的渠道还是有不少的。有的小伙伴贪便宜，就去一些非官方渠道上低价购买手机，殊不知手机的真假。此时拨号键盘就派上用场了，输入「*#06#」即可查询手机IMEI码，鉴别手机是真或假，还是返修货？
2、测试手机性能
在拨号键盘输入「*#*#2846579#*#*」这段代码即可测试手机各项性能，包括电池、拍照、指示灯、音乐、屏幕亮度等等。这样去维修手机的时候就不怕被人忽悠，多交智商税了。
3、查询手机使用记录
输入「*#*#6130#*#*」即可查看手机的使用记录，包括打开了哪些应用，使用了多长时间，一清二楚。千万别让女票知道有这个功能哦~
还有非常多的拨号代码，就不一一展示了，感兴趣的朋友自己去查查吧。接下来，再向大家介绍几个拨号键盘的高级设置功能。
4、熄屏快呼
打电话的另外一种高级姿势，手机熄屏状态下按住音量下键1秒，然后说出联系人姓名，手机就会自动拨打电话啦。
5、来电语音控制
有的时候不方便操作手机拨打、接听电话怎么办呢？只要开启来电语音控制功能，就能用语音直接拨打、接听电话，完全不用操作手机。
6、口袋模式
手机放口袋里，周围环境嘈杂，电话来了容易听不到？赶紧在拨号键盘的设置里开启口袋模式，再也不错过任何一通电话。
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