[gribblecyllin]

BB10:
1: While viewing your home screen, swipe down from the top of the screen
2: Tap Settings followed by Display
3: Set the Lock Screen Notifications switch to Off

Android BB:
1: Swipe down from the top of the screen once using two fingers, or twice using one finger.
2: Tap The Settings icon > Sound & notification > When device is locked.

Then do one of the following:
A: To get all notifications on the lock screen, including the contents of incoming email messages and chats, tap Show all notification content.
B: To receive a notification, but keep the contents hidden (such as who sent an email or the title of the song you downloaded), tap Hide sensitive notification content. (To see this option, a screen lock option, such as a password, must be set.)
C: To prevent notifications from appearing on the lock screen, tap Don't show notifications at all.