Suddenly no signal

[Dls]

I suddenly have no signal with my sim. I have tried taking it out and putting it back in. No signal whatsoever 

[Cleoriff · Accepted solution]

@Dls 

Check these guides Guide: How can I sort out my network issues?  and Guide: Is the network down for me or everyone? 

There is a chance you may need a new sim. You can get one in store if you take ID or contact O2. Various numbers in this guide Guide: Coronavirus Community Help and Support