Can't make calls from abroad

[Toon]

We have 2 sim deals ,my phone works from abroad but my wife can't ring 

[jonsie · Accepted solution]

These are some tips to try :

•   Reboot phone.
•   Manually search for a different network
•   If using an iPhone, change data apn to  mobile.o2.co.uk
•   Call customer service to check for any roaming bars
•   Or if you message O2 using the social media links below, they should be able to help you with this