I have an iPhone 6 Plus for about 2 years and always been on O2 with
travel plan. I have never had a problem with connecting to mobile data
services overseas until September last year which I received a message
saying I wasn't subscribed to mobile da...
Hi - thank you, I had previously contacted O2 to no avail but they have
now informed me that I need an iPhone bolt-on which was previously
attached to my account but was not activated when the new contract
kicked in. Should be all sorted now, thanks.