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binss 现在的 SuperSU 需要哪些文件我也不太熟。。帮你搜了下, XDA 这帖 3L 的过程可以试试
http://forum.xda-developers.com/galaxy-tab-3/help/how-to-root-sm-t113-t3076658sudo cp UPDATE-SuperSU-v2.46/armv7/{su,supolicy} mount_point/xbin
sudo cp UPDATE-SuperSU-v2.46/armv7/su mount_point/xbin/daemonsu/
sudo cp UPDATE-SuperSU-v2.46/armv7/
libsupol.so mount_point/lib
sudo mkdir mount_point/etc/init.d
sudo cp UPDATE-SuperSU-v2.46/common/99SuperSUDaemon mount_point/etc/init.d
sudo cp UPDATE-SuperSU-v2.46/common/Superuser.apk mount_point/app
sudo mv mount_point_app/etc/
install-recovery.sh mount_point/etc/install-recovery.bak
sudo cp UPDATE-SuperSU-v2.46/common/
install-recovery.sh mount_point/etc
sudo chmod 0755 mount_point/xbin/daemonsu
sudo chmod 06755 mount_point/xbin/su
sudo chmod 0755 mount_point/xbin/supolicy
sudo chmod 0644 mount_point/lib/
libsupol.so因为他是把 system 镜像挂载了,所以路径全写的 mount_point , armv7 这个看你是什么架构的
或者照着 SuperSU 卡刷包里的 update-binary 的 ui_print "SuperSU installer" 下边的部分手工来,不过它脚本写得挺抽象就是了。。