iphone 7 plus检测不到SIM卡是因为网络故障。在【设置】中可以【还原网路设置】。
1、解锁iphone 7 plus手机至主页面,发现左上角运营商状态栏显示【无SIM卡】,打开【设置】。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/21a4462309f790524b9e2e7f02f3d7ca7acbd5ea?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、进入【设置】后向下滑动屏幕,找到【通用】并打开。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/91ef76c6a7efce1bbf11a08ba151f3deb48f65bc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、在【通用】工具栏中的底部,点击【还原】功能。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/267f9e2f07082838b174b455b699a9014c08f172?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、进入【还原】列表选项,选择【还原网络设置】。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/f31fbe096b63f624b72b51428944ebf81a4ca379?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、输入6位数字密码,通过后即可【还原网络设置】。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/faf2b2119313b07e31d1384902d7912397dd8c07?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、按住iphone 7 plus 机身侧面的【电源键】不放,滑动关机重启。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/359b033b5bb5c9eaf9546ba2db39b6003bf3b3c8?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
7、重启后,网络故障排除,左上角运营商状态恢复正常。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/9825bc315c6034a86f78d0c0c5134954082376dc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
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