My Samsung Galaxy Core Duos phone back button automatically working, what do I do?

[AC Question]

My samsung galaxy core duos phone back button automatically working

Need solution please

 

[B. Diddy]

Re: My samsung galaxy core duos phone back button automatically working

Welcome to Android Central! Does this persist after a reboot? How about in Safe Mode? Power the Device Up in Safe Mode - Samsung Galaxy Core Prime | Verizon Wireless