Lock device when it's automatically unlocked
You can choose to lock your Android phone or tablet while using automatic unlock ("Smart Lock").
Manually keep device locked while automatic unlock is on
- On your device's lock screen, tap Unlock .
- If you've turned on TalkBack for accessibility, tap Unlock , then double-tap Unlock .
- Your device will stay locked until the next time that you manually unlock it with your PIN, pattern, password, or fingerprint.
Remotely lock device with Find My Device
You can remotely lock your Android device from another phone, tablet, or computer. Learn how to find, lock, or erase with Find My Device.