j7 max back button not working frequently

[avantikashukla]

What should I do ,if j7 max back  button  not working 

[kevinpatel2996]

Use One Handed Operation App.

https://play.google.com/store/apps/details?id=com.samsung.android.sidegesturepad

You Can Set Back Button. If This Is Helpful To You Please Accept The Solution👍

[avantikashukla]

thank you

[MrGEEK]

In that case take your phone to service centre. They will replace it. @avantikashukla

[kevinpatel2996]

Hey Mam, Can you Please Accept This As A Solution

[attitudegryg]

My back button is problem