Navigation Bar problem

[VS3R]

Actually, from quite a while i m trying to change the gesture control to physical buttons for navigation. But everytime i click on the navigation bar option in settings nothing happens it just shows me black screen and closes afterwards. Can you suggest me a way to fix it? 

[rdev2005]

Can you send me ss

[VS3R]

2 ss is taken after clicking on the navigation bar option

[rdev2005]

I think it's an software problem as it is happening in settings so you complain it to samsung members immediately regarding this .They will help you

[VS3R]

Thanks for your advice. I will surely do it.

[rdev2005]

In help corner

[cs_member8]

Dear Samsung Member,

Greetings from Samsung Customer Support!

We acknowledge your query and apologize for the same. Please perform the below mentioned steps to resolve the issue:

* Check after rebooting your device. 

For further assistance, register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report/Ask questions).

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support