Why does my galaxy s7 edge phone keep on saying invalid son card how do I power cycle it

[Android Central Question]

When i open the slot for my son card and close it my phone starts working but only for like 2 min then it pops up again bout invalid son card and stops working only letting me make emergency calls how do I power set like it pops up to do

 

[belodion]

Have you spoken to your carrier about it?