Can’t make calls or recibe calls or sms but my data works

[Abu]

I got a pay as u go sim from o2 

with the big bundle of 10£ 

I have gone on holiday in Spain and it worked for a few days but not doesn’t seem to work 

the strange thing is that I can use the data and internet on it 

I have restarted my phone taken out the SIM card and done all that jazz but can’t make calles for some reason can some one please help me or let me know if that has happend to them and how did u get this problem solved 

[MI5 · Accepted solution]

@Abu 

Try manually searching for a different network.

If you message O2 on Facebook (https://o2uk.co/O2CFB) , Twitter (https://o2uk.co/O2CTW) or Instagram (https://o2uk.co/O2CIG) , they should be able to help you with this.
Thanks.