For a number of devices you will need to choose a pin code or pattern that unlocks your device in order to set up a password. If you have not used a pin code or a pattern before, you will have to choose one while installing SecureW2.
Knock app does not work alongside SecureW2
Please note: unlocking your phone using the Knock app does not work if you have installed SecureW2. If you want to use SecureW2, you will have to choose a pin code or a pattern for your device.