I can't make/receive phone calls or text, what can I do?

A

AC Question

I can't make/receive phone calls or text

Hi,
My name is Cornel and a I have a problem with my galaxy s6 edge.
The problem is I can't make/receive calls and texts and it start with a EE SIM card sun it did that I put a O2 SIM and it work fine , till today I must say that the data on both of the SIM is working I actually have faster internet from SIMs then from wifi.