How to lock the app

Step by step

1. 1 Anyone holding your phone can open it Settings, under the Plan tab, is where that changes
2. 2 Tap Security Everything about getting in lives here
3. 3 It tells you the lock is off Turn on PIN — a fingerprint works too, if you have one
4. 4 Choose four digits Only you ever see this
5. 5 Type it once more So a typo cannot lock you out
6. 6 Locked, and it says so The app asks for this every time it opens