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Latest Offer: 100GB Data For Just £20!

O2 vs giffgaff: The UK’s second largest mobile network against flexible goodybags!

O2 vs giffgaff: The UK’s second largest mobile network against flexible goodybags!
Latest Offer: Unlimited Data with no speed restrictions! There's a brand new goodybag in town...

Three vs O2 2020: Coverage, speeds & customer benefits of two of the UK’s largest networks in 2020

Three vs O2 2020: Coverage, speeds & customer benefits of two of the UK’s largest networks in 2020
Latest Offer: 12GB for just £8/month Three is currently offering customers 12GB of data with...

EE vs O2 2020: The fastest 4G speeds in the UK with EE or O2 Priority access?

EE vs O2 2020: The fastest 4G speeds in the UK with EE or O2 Priority access?
Latest Offer: 100GB data just for £20 a month! EE's latest offer is a 100GB...

O2 Vs Vodafone: O2 Priority Rewards or 81 inclusive roaming destinations?

O2 Vs Vodafone: O2 Priority Rewards or 77 inclusive roaming destinations?
Latest Offer: Half Price Unlimited Data Plans Vodafone is slashing its prices in half for...

O2 Review 2020: Get discounts, offers and free prize draws with O2’s priority awards scheme!

o2 Mobile review
Latest Offer: Get 100GB for £20! O2 are offering a 100GB data plan with unlimited...

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About O2

O2 is the second oldest mobile network operator in the UK, launching way back in 1985 under the name of Cellnet. The network rebranded as O2 in 2001 and has been operating under the same name since then. With over 34 million customers, O2 is the second-largest UK mobile network operator, being only behind EE.

FAQ

Does O2 support 5G?
Yes, O2 offers 5G coverage. However, at the time of writing O2’s 5G has the least amount of towns and cities covered.

Does O2 have Wi-Fi Calling?
Yes, O2 has Wi-Fi Calling. To benefit from this feature you have to be on a SIM Only contract and your device must be compatible.

Is O2 Priority free?

Yes, O2 Priority is a free loyalty programme exclusively for O2 customers. However, while you’re on the app you’ll be using data.

Offer ends 29th October
- No Contract - No Credit Checks - Endless Social Media - Endless EU Roaming - Up to £20 Amazon Voucher
Double Data
12GB
6GB
Offer ends 29th Oct
- No Contract - No Credit Checks - Endless Social Media - Endless EU Roaming - Up to £20 Amazon
12GB
6GB
Double Data