The key or lock icon is the Android symbol for VPN service.
It will remain within the notification bar when Safe Browsing is enabled.
What is the lock symbol on my Android?
What does the lock symbol in the top right corner of an Android phone mean? This lock symbol means that if you click on that lock symbol of an app , that app will not closed or removed from RAM even if you clear memory.
How can I hide my status bar icon in Android?
With the System UI Tuner, you can remove(and add back again later) various icons in the Status Bar of Android 6.0 Marshmallow.
Remove Status Bar Icons
- Enable the System UI Tuner.
- Go into the Settings App.
- Tap on the ‘System UI Tuner’ Option.
- Tap on the ‘Status Bar’ Option.
- Toggle Off All the Icons You Don’t Want.
How do I turn off VPN notifications on Android?
From there, tap “To the tweaks!” On the main menu, choose “Status Bar,” then scroll down and locate “VPN Icon” and tap the toggle to disable it. You have successfully hidden the VPN icon. To ensure it worked, open your VPN app of choice and establish a connection to its server.
Photo in the article by “Flickr” https://www.flickr.com/photos/pedrosimoes7/24881827375