Reboot and test.
Open SuperSU > Settings > Scroll to “Cleanup” > Reinstallation > “Reinstall” (not full unroot). Reboot. This sometimes re-links the binary.
The "undetected" error occurs when the SuperSU app cannot find or communicate with this binary. 2. Common Causes of Undetected Root supersu root undetected problem
Despite being deprecated (last major update ~2017), SuperSU remains on millions of devices because:
Below is a comprehensive guide to understanding and fixing the SuperSU root detection problem. 1. Understanding the Problem Reboot and test
If you have TWRP, you can fix su from recovery’s advanced terminal:
For anything newer, . It’s not just better; it’s the only way to have reliable, undetected (in the sense of working) root in 2025. You’ll gain systemless root, module support, and a future-proof setup. This sometimes re-links the binary
: Open the SuperSU app. If it asks to update the SU binary, select "Normal" mode. If this fails repeatedly, you must re-flash via recovery.
: Some newer apps may not detect older "system" roots. Ensure you are using a systemless version of SuperSU, which installs in the data partition. Scenario 2: Hiding Root from Detecting Apps
Migrating to Magisk is the only sustainable solution.