TalkBack
TalkBack is a screen reader service for visually impaired users. TalkBack uses spoken feedback to describe any events or actions performed on your Android device. TalkBack describes the user interface and reads out software errors, notifications and messages.
To enable TalkBack
- Find and tap Settings > Accessibility > TalkBack.
- Tap the switch and then tap OK.
Note
To change speech, feedback and touch preferences for TalkBack, tap Settings, then tap the screen twice.
Hint
TalkBack launches a tutorial immediately after you enable the feature. To exit the tutorial, tap 
(Back button), then tap the screen twice.
To disable TalkBack
- Find and tap Settings, then tap anywhere on the screen twice.
- Find and tap Accessibility by scrolling through the list, then tap anywhere on the screen twice.
- Find and tap TalkBack by scrolling through the list, then tap anywhere on the screen twice.
- Tap the on-off switch, and then tap anywhere on the screen twice.
- Tap OK, and then tap anywhere on the screen twice.