Home Button

[63015]

Since my wife's phone upgraded to 5.1, when she presses the Home button it does nothing.
The back button works, but not the Home. How can I fix

 

[Just_Some_Nobody]

Mine does same thing. Have not found a cure. Did factory reset, still same issue.

 

[Inundated]

No such problems here on my phone, recently upgraded to 5.1...