Hi. I can't receive or make calls with my three Sim.

[Maryam90]

Hi. I can't call or receive calls with my number. Why? 

[Geluk]

I've had same issue on 2 "3" network phones; both 4g, but now only work for texts.

3 CHAT advise it's down to local mast shutting off 3g band.

Put your postcode in here and see if same applies in your area;

https://www.three.co.uk/support/network-and-coverage/network-support