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SIM PIN number before you enable this. If you enter the 
wrong SIM PIN you can disable your SIM card. 
Protect Your Phone with Screen 
Pinning 
You can use the screen pinning feature to keep an app in 
view, so others cannot switch to other apps or access your 
personal information. 
Turn On Screen Pinning 
1.  Swipe up from the home screen and touch Settings > 
Security > Screen pinning. 
2.  Touch the Off switch. 
3.  To add security for unpinning, switch on Lock device 
when unpinning and set up a screen lock as prompted, 
or switch on Ask for unlock pattern/PIN/password 
before unpinning if you’ve set a screen lock already. 
Pin a Screen 
1.  Ensure that screen pinning is turned on. 
2.  Open the app you want to keep in view. 
3.  Touch the Recent apps key 
4.  Touch the App icon at the top of the app window to 
activate Pinning