This setting can help for blind man to work on smartphone.

This Setting help for blind man to run a any smartphones. Name of this setting is talkback. In this settings provide a spoken feedback, its describe what you touch.

To enable this setting following this steps:-

i. First, you go on setting options and            open it.

ii.Then open the accessibility option.

iii. Now, open talk back optIon.

iv. And enable it.