推荐回答（2个）
打开苹果手机，点击上面的设置图标。
在设置界面选择“蜂窝移动网络”。
在新弹出的界面里开启“蜂窝移动数据”就可以了。
苹果手机的蜂窝数据即从数据的传输到交换都采用分组技术，当关闭蜂窝数据后，就等于关闭网络，手机无法上网。
蜂窝数据是用户端配置无线分组调制解调器，通过专门的分组基站进入分组网，可以访问分组网上的主机，数据库，也可以呼叫另一个移动数据终端。
这种技术主要为专门的移动数据通信系统所采用，只能为移动数据用户提供到分组交换数据网用户的连接。
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