O2 is one of the UK’s longest established mobile networks. They offer 4G & 5G coverage with O2 Priority and O2 Extras.
O2 is one of the oldest mobile networks in the UK. They originally launched as Cellnet in 1985 and have been using the O2 brand since 2001. During their 31 years of operation, O2 has grown to become the UK’s 2nd largest network. They currently have 26 million subscribers and offer 99% population coverage across the UK.
Unique tariff offerings on O2 include the ability to build your own custom plan, with the cost of your airtime and device split into two separate agreements. O2 customers can also get access to the O2 Priority app which gives exclusive access to entertainment tickets up to 48 hours before general release.
In this section, you can learn more about O2’s tariff offerings.