O2

Hi,I can't make or receive calls. I tried getting somebody on chat but that didn't work they directed me towards phoning for help but I can't make calls. When somebody phones me they don't get through and I get a text saying they tried to call. Somet...

Having recently ported to o2 I'm in Ireland and roaming won't work.Things i've tried on my android phone.1. Rebooting phone2. Manually selecting a different network - briefly had some joy and got a text when on three 2g but won't work today. Three ne...