How to Verify Apps Before Installing on Galaxy S4
You may harm your Android phone by installing apps from sources other than Play Store. On Samsung Galaxy S4, "Verify Apps" warn or block before ...
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Increase or decrease the audio volume of Ringtone, Notifications, Music, Video and Alarm from the Sound setting. To set and change audio volume on HTC One do as follows:
1. Open "Settings" app
2. Scroll down and tap "Sound"
3. Tap "Volumes" to set audio volume
4. Drag right or left to increase or decrease the audio volume for: Ringtone & Notifications, Music & Videos, Alarms