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sim卡打不开
更新时间: 2020-07-10 00:00:00  

按照如下步骤操作检测:

1、重新开关机,检查手机卡是否插入到位及插入方向是否正确;

2、取出SIM,用橡皮清洁SIM卡金属触点。是否是sim卡接触不良;

3、更换一张SIM卡试试是否sim卡已老化或坏损;

4、备份手机数据电话簿、短信息、多媒体文件等,恢复出厂设置若问题依然存在,去维修中心咨询。

关键词: sim

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