O2 is one of the UK’s longest established mobile networks. They offer 4G & 5G coverage with the ability to build your own custom plan.

O2O2 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.

O2 Coverage & Network: 5G, 4G & 3G Coverage Maps And Speed

O2 offers 5G coverage in 60 UK locations, as well as 99% population coverage on 4G, 3G and 2G.

O2 Unlimited Data: 5G SIM Cards With Unlimited Downloads & Hotspot

O2 offers unlimited data SIM cards from £30/month with inclusive hotspot, international roaming and 6 months of free Disney+.

O2 Extras: Free Disney+ Or Amazon Prime Video For Up To 6 Months

You'll get 6 months of free Disney+ on your O2 SIM card or handset, or up to 6 months of other O2 Extras like Amazon Prime Video.

O2 Travel International Roaming Review: Countries, Speeds & Fair Usage

On O2, you can use your mobile phone abroad at no extra cost in up to 75 destinations, depending on your price plan.

O2 Pay As You Go Bundles: Big Bundles From £5/Month Top Up

O2 offers Big Bundles on Pay As You Go with unlimited minutes & texts from £5/month. An allowance of 4G data is available from £10/month.

O2 Classic Pay As You Go Review: 3p/min, 2p/txt, 1p/MB with 4G Priority

O2's Classic Pay As You Go tariff charged 3p/minute, 2p/text and 1p/MB. Customers get 4G coverage and access to O2 Priority.

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