Here's an interesting, if somewhat unusual, approach to helping customers: European mobile service provider O2 is rolling out a "Tweetserve" program to provide assistance to users on Twitter. Once you ...

A warning has been sounded after O2 "closed accounts" having mistakenly deemed phone orders as fraudulent. The telecoms giant faced criticism from a disgruntled customer who shared their experience ...

VIRGIN Media O2 customers are being warned their accounts face being locked for weeks due to “security reasons”. In some cases it has taken months for users to resolve the issue. Some users have ...