Tap in the top left corner of the screen to bring up the context menu and tap Settings.
Tap OK to confirm. ESET Mobile Security will complete uninstallation.
Use this method if you cannot open ESET Mobile Security for Android or if you have an earlier version that does not offer the Uninstall option:
Open the Android settings and tap Security.
Tap Device admin apps.
Tap the toggle next to ESET Mobile Security to remove ESET Mobile Security as a device administrator. Navigate back to Android settings.
From the Android settings, tap Apps. Tap ESET Mobile Security and tap Uninstall.
Follow the instructions to download and install ESET Mobile Security for Android.