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之前的手机在移动网络下有一个5G网络的开关。对于我这里5G信号不稳定的地方非常有用。
但是小米14竟然没有这个开关了！！
终于找到开启的方式了
打开 拨号键盘
输入以下内容
*#*#54638#*#*
即可完成！
其实在开发者模式里可以打开
