Notification LED You can change when to flash and which apps will flash the LED when there are new notificatio...
Types of storage Starting from Android 6.0, there have been some changes on how and where downloaded apps and...
Should I use the storage card as removable or internal storage? Use your storage card as removable storage when there's already content such as your media and o...
Moving apps and data between the phone storage and storage card If you've set up your storage card as internal storage, you can move third-party apps that you i...
Touch sounds and vibration Some people like the sound or vibration feedback they get when touching the screen, and some don...
Getting apps from Google Play Google Play is the place to go to find new apps for HTC One A9. Choose from a wide variety ...
Changing the display font You can change the font style and size of the display font or you can download new fonts online....
Google apps Count on the suite of Google apps on HTC One A9 to help you get productive, surf the Interne...
How do I enable developer's options? If you want to develop apps for your phone, you can enable developer's options in Settings. ...
Why can't I use multi-finger gestures in my apps? That's because Media gestures is enabled by default. This makes the three-finger gesture excl...