Stage 1 - Superuser App: Not Installed
NOT installed: SuperSU by Chainfire, Superuser by ChainsDD, or Superuser by Koush
Stage 2 - Superuser Binary Files: Not Installed
Standard Location
Command: ls -l /system/bin/su
Result: /system/bin/su: No such file or directory
Analysis: File /system/bin/su does not exist.