This is a program to obtain root user permissions under Android, modified from the su source code of Superuser.apk No manual confirmation is required, any program can obtain root privileges through this program You must set the permission of the su program to 6777, and ensure that the partition supports suid chmod 6777 su # Note Not available on Android 4.4+. You need install-recovery.sh to start a background process (root privileges) and then communicate with it.