Get the latest tech news
What is Lockdown mode, and why would you need it?
Keeping a locked phone locked.
(Image credit: Source: Android Central)You should use lockdown mode whenever you want to make sure the only way to unlock your phone is by knowing and entering the passcode. In the United States, law enforcement can force you to place your fingertip on a sensor or keep your eyes open and head still to unlock your phone. (Image credit: Android Central)I happen to think that nobody, including law enforcement, should have free rein over my phone, but don't expect anyone to agree with me—you do you.
Or read this on Android Central