![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/f31fbe096b63f624f821a5e28c44ebf81b4ca3d7?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
1.没有打开系统设置里面的数据开关(不是便捷设置下拉通知栏的那个),打开设置,勾选此选项(建议设置完毕后手机重启下);
2.有的双卡机型,SIM卡2号卡槽不支持数据业务,请换到1号卡槽;
3.APN设置出错,建议拨打服务商客服,告知情况,客服会对本人的sim号进行中继端APN初始化,并可能会发一条配置短信。
4.另外,为了排除SIM卡出错,建议将此卡换到另一手机上,试试看能否启用数据业务,若也出错无法连接,建议去营业厅换卡
首先要确保你打开了数据流量功能,并且有双卡的要选择对了所使用的这张卡。然后进入"设置"里面,这个不同的手机进入方法不同,且进入后界面也会不同:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/574e9258d109b3de6eaa7889c7bf6c81800a4c3e?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
选择“无线和网络”设置:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/1ad5ad6eddc451daa5e2900abdfd5266d016323e?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
再选择“移动网络”设置,确保已启用数据和数据连接的卡号:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/e4dde71190ef76c6706b67ca9616fdfaae516792?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
选择“卡1设置”(或者“卡2设置”,看你用哪张卡的流量):
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/203fb80e7bec54e7fa5586ffb2389b504ec26a92?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
“网络模式”如果没选择,一般都是默认第一个就好了:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/0b46f21fbe096b63646fc2b107338744eaf8acd9?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
这里重点的就是——点击选择“网络运营商”,自动选择就好了:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/9e3df8dcd100baa1dd94db5a4c10b912c9fc2e92?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/42166d224f4a20a4c00aa0269b529822720ed03f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
7
所以这个方法就是重新选择“网络运营商”,相当于刷新了一下网络连接,