444 shows on my dial screen when its in background. Why?

[iMore Question]

Iphone 5S got through verizon insurance carrier. It acts odd

 

[nikkisharif]

I'd make a genius appointment or return it to Asurion.

 

[Sherry_B]

Welcome to iMore,

I agree with Nikki. Either make an appointment at the Apple Genius Bar or call Verizon to see how you would proceed with getting a replacement.