Silent incoming calls

[Crafting]

Some calls that I receive are silent a d I’m missing too many calls how can I take it off so I receive calls and they are not silent ring

[Cleoriff]

@Crafting 

It's sounds as if you may need a new sim .

Try removing it first, cleaning it gently with a lint free cloth and reinserting. If that doesn't work then try a new sim. Pop instore with ID or call O2 on any number in this guide Guide: Coronavirus Community Help and Support