解决办法:
1.你的手机必须root ,没有root的自寻教程
2.下载安装终端模拟器
3.安装完成后打开运行出现如下画面
4.首先输入 su 点击回车 以便获得最高权限
5.输入一下源码
rm /efs/FactoryApp/keystr
rm /efs/FactoryApp/factorymode
echo -n ON >> /efs/FactoryApp/keystr
echo -n ON >> /efs/FactoryApp/factorymode
chown 1000.1000 /efs/FactoryApp/keystr
chown1000.1000 /efs/FactoryApp/factorymode
chmod 0744 /efs/FactoryApp/keystr
chmod 0744 /efs/FactoryApp/factorymode
reboot
复制代码