How To Fix Samsung Galaxy S3 Audio Problems | Technobezz come attivare s voice s3 neo 3 Tap Accessibility (you may need to scroll down a little) 4 Tap Vision. If you do not have a Vision option, skip to step 5. 5 Tap Voice Assistant or TalkBack. (This feature is called TalkBack on older devices, and Voice Assistant on newer.) The option on your screen will appear as one of the below. Tap the option that best matches your device.