
A pattern (made on a 9-dot square) is easiest to remember but the least secure. While newer Android phones offer numerous biometric methods for unlocking, every phone still requires one of three traditional locking methods: pattern, PIN, or password. You don’t need to be a paranoid android to put a basic layer of protection on your device, you only need to change a few settings. In Android 7 Nougat, that switched to file-based encryption, but the end result is essentially the same: The data on your phone is protected by 256-bit AES standard encryption as soon as its locked, so unless someone knows your passcode, they can’t see anything. Ever since Android 5 Lollipop, Android has offered full-device encryption by default, as long as you set some kind of an locking method on your phone (pattern, pin, or password).
