Unable to detect sim

[Raymond Bello]

Pls help me.why? My samsung s4 i9505 always unable to detect sim while i'm playing online games or offline games. pls help

 

[SexyLi]

Your SIM card may not connect well. You can reinsert it. When you use other functions, will this happen?

 

[B. Diddy]

Moved to the S4 forum.