You have to revoke administrative permissions before you uninstall the ISL Light application. If you chose to let the application keep the permissions after ending a session, you can manually revoke them in the device settings.
Step 1
Open the "Settings" application.
Step 2
Navigate to "Lock screen and security" and select it.
Step 3
Scroll down and select "Other security settings".
Step 4
Tap "Device administrator".
Step 5
Tap "ISL Light Remote Control".
Step 6
Tap "Deactivate".
Step 7
Tap "OK".
You have now revoked the administrative permissions for the ISL Light application.