Can't call or send texts, Radio stuck on off

"Did you turn on your radio while you were on call before this problem happened?

I tried turning on the radio while on call and it gave me this message, “Please do not turn on fm radio during a phone call"".

I guess it causes some problems that's why instead of the usual message of “Cannot start radio” or “Can't start the service” it displayed this message “do not turn on “."

"Pull Sims out and clean them off with a Qtip

Then blow any dust out of where the sims go

Try that first

I once had the same problem turned out to be lint in the Sim Card Tray"

I just experienced it now…..but then I just restarted my phone..and the network came back

Sim not work network problem

I did ,it was my google radio, whilst in the middle of phone call I switched off Google radio at the plug after that couldn't connect because of radio off ,so switched on my Google rang the number when connected turned off my phone first then Google radio - solved