12-12-2014 07:33 PM
13-12-2014 10:52 AM
Did you try powering off and on again to see if that makes any difference?
Also reseat the SIM just in case it got dislodged?
If the problem persists then you probably need to log a support query to ask 48 support for advice:
Hope this helps.
13-12-2014 01:50 PM