InformationImmediately lock the phone as soon as the device goes to sleep.
The recommended state for this setting is: Immediately.
Automatically and immediately locking the device as soon as it goes to sleep ensure that there is no lag between the device entering the sleep state and the device getting locked. At times, the user just rests the device and moves away from it. The phone eventually enters the sleep state and automatically and immediately locking it ensures that no manual locking of the device is needed. This ensures that the unattended devices are locked immediately as soon as the device enters the sleep state.
SolutionFollow the below steps and set Automatically Lock to Immediately:
Tap Settings Gear Icon.
Scroll to the Device security section.
Tap the Gear icon next to Screen lock.
Tap Automatically lock.
By default, Automatically lock is set to 5 seconds after sleep.