HTC One M8 User Manual page 86

86 Your first week with your new phone
Types of notifications to display
Alerts for clock alarms, timers, and calendar events will automatically
display through the HTC Dot View case. You can choose whether to
display or hide Mail, Messages, and phone call notifications.
1. In the HTC Dot View app, tap Notification settings.
2. Choose which notifications you want to show or hide.
Not seeing recent calls on HTC Dot View?
By default, up to 3 received or dialed numbers will be displayed on
HTC Dot View.
If you're not seeing them, open the HTC Dot View app, and then
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select Show call history.