How to Fix the Galaxy S7 Vibrates When Picking it Up Issue
If you believe your Galaxy S7 (S7 Edge, S6, S5, Note 5, Note 4) vibrates with no reason when picking it up, the Smart Alert feature is enabled and ...
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on the devices running Android 5, Google somehow changed the way to show notifications on the lock screen. To manage lock screen notifications on HTC One M8 with Lollipop, do as follows:
1. First make sure your device is already running Android Lollipop
2. Open the Settings and go to the Sound & Notifications settings
3. Scroll down and under the Notifications settings, touch the When device is locked option
4. Now you have 3 options to select from: Show all notification content, Hide sensitive notification content, and Don't show notifications at all