It cannot write copies of itself to the phone's internal storage, change system files, or remove itself from the app management interface.
它不能把自己复制到手机的内部储存空间中，也不能改变系统文件，或者把自己从应用程序管理界面中删除。
As always, keep backups of all the files you change and have at least one system backup image in case the worst happens.
永远记住要备份您所修改过的所有文件，为了防止最坏的情况发生，您还需要有至少一个系统备份的映像。
This person (or persons) has access to install and remove applications, change OS permissions, and make changes to property and system configuration files.
这些人员有权安装和删除应用程序、更改操作系统权限以及对属性和系统配置文件进行更改。
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