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The Daily Insight

Does BT use o2 network?

Author

Rachel Hernandez

Updated on March 20, 2026

BT Mobile uses the same core network as EE, giving it excellent coverage across the UK with 99, 98 and 99 per cent 4G, 3G and 2G coverage respectively.

Coverage by population.

Network 4G coverage by population
O2 99%
Three 99.8%

Similarly one may ask, is BT the same as O2?

The company was rebranded as BT Cellnet in 2000, and it became a part of BT Wireless, a group of companies owned by BT. BT Cellnet relaunched as "O2" on 18 June 2002, along with other former BT subsidiaries: Esat Digifone in Ireland, Viag Interkom in Germany and Telfort Mobiel in the Netherlands.

Similarly, what carrier does BT use? EE network

One may also ask, which networks use O2?

There are currently four MVNOs (Mobile Virtual Network Operators) using O2's network, namely Giffgaff, Sky Mobile, Tesco Mobile and Lycamobile.

Is EE and BT the same network?

Even better deals for Small Business customers. EE is part of BT Group – one of the UK's biggest communications and IT companies.

Related Question Answers

Is O2 owned by EE?

EE and O2 are two of the UK's main four mobile operators, alongside Three and Vodafone. EE was formed in 2012 by the merger of Orange and T-Mobile, while O2 can trace its roots back to Cellnet and BT Cellnet before it became O2 in 2002.

Which is better O2 or EE?

For the network itself, EE is best by a decent way - it's got the fastest 4G and the widest coverage. But when it comes to cost, value, and choice, a lot of us may be better off with O2, thanks to its slightly lower prices, Refresh contracts, and rewards.

Is EE better than BT?

EE and BT Mobile are both pretty good for mobile plans - BT is straightforward and reasonably priced, while EE has absolutely tons of choice and the fastest 4G speeds around. EE mobile costs a little more though, so a free 5GB of data is very welcome.

Is 02 a good network?

O2 coverage is excellent when it comes to 3G and 2G with widespread coverage indoors and out. O2's 4G coverage is also now strong, standing at over 99% indoors. Basically though, if you live in a remotely urban area then you'll more likely than not be able to get O2 4G, and many rural areas will have access too.

Is O2 owned by Virgin?

Virgin Media and O2's new merged brand has been unveiled after the pair's £31 billion tie-up was given the green light by regulators last month. Both household names are retained and unified as one, forming Virgin Media O2.

Is O2 taking over virgin?

For now, both O2 and Virgin Media will continue to exist separately, as well as together. No, your contract won't change. No, your bills and Direct Debits will stay exactly how they are and will continue to come from O2.

Which UK mobile network is best?

O2 won uSwitch's 'Best Network Coverage' award in 2019 and 2020 but the study by RootMetrics found it wasn't as good as Vodafone and EE for coverage in the UK.

Is Tesco Mobile and O2 the same network?

Tesco Mobile mobile phone coverage

Tesco Mobile's service is based on O2's network. That means that if you choose Tesco Mobile, you'll get a network with combined 4G and 4G coverage of 99% of the UK population. Get an idea of Tesco Mobile coverage in your area with the Tesco Mobile postcode checker.

Why is O2 signal so bad?

Your signal might be worse if your battery is low, or if you're due a software update. You won't be able to get signal if your account has been suspended. The closer to a mast you are, the stronger your signal will be. Things like trees and hills will also play a part.

Does giffgaff use O2?

Yes, giffgaff runs on o2 network so all unlocked or o2 phones work with giffgaff.

What network does EE use?

You could almost as well say that EE uses BT's infrastructure as the other way around, since BT owns EE. That means there should be a level of synergy between the two networks that most MVNOs can't offer.

What is the fastest mobile network in the UK?

EE

Which is the best 4G network in UK?

What is the best 4G network in the UK?
  • Best 4G network: Overall. EE: 93.1% Three: 89.2%
  • Best 4G network: Reliability. EE: 94.5% Three: 92.8%
  • Best 4G network: Speed. EE: 90.7% Vodafone: 83.1%
  • Best 4G network: Data. EE: 94.2% Three: 90.5%
  • Best 4G network: Call. EE: 90.9% Three: 86.9%
  • Best 4G network: Text. EE: 97.1%

Which SIM card is best in UK?

What is the best SIM only deal?
  • Three: best for big data and unlimited plans.
  • EE: best for fast speeds and overall performance.
  • Vodafone: strong balance of affordability and features.
  • O2: heavy on the added benefits.
  • Smarty Mobile: best value 1-month rolling options.
  • Voxi: best for social media users.

Are BT Mobile any good?

While cheaper plans and deals are available, BT is a solid mobile performer that gives its customers the best 4G network and some decent perks to boot. Sports fans will be more than happy with the BT Sport app, as will existing broadband customers who get a discount on their monthly mobile bill.

Is BT Mobile now EE?

EE IS NOW PART OF BT.

Does BT own Plusnet?

On 30 January 2007, Plusnet was acquired by BT Group, but it continues to operate as a separate business. By December 2013, it had over 750,000 customers across the UK.

Why is my BT mobile signal so bad?

If you are experiencing poor mobile signal and you can't find the reason, it may be due to the distance you are from the nearest cell tower. The best way to remedy this situation, is to decrease your distance, thus lessening your BT mobile signal problems, and increasing your mobile signal strength.

What was BT Mobile called?

2002. One 2 One is rebranded as T-Mobile. The same year, BT spun off its BT Wireless division from the main group and holding group mmO2 was formed. It subsequently dropped the mm and adopted the pithier moniker O2.

Is my BT Sim 5G?

All of our Family SIM plans bought since 13 November 2020 come with SIMs that are 5G ready.

Do I need a BT line for EE broadband?

Broadband Plans Without A Landline

You can get fibre broadband plans from EE without a landline, with prices starting from £24 per month (or £24 per month if you're an EE Pay Monthly mobile customer).

Do EE customers get BT WIFI?

BT broadband and BT mobile customers get free access to the BT Wi-Fi network, as do some pay monthly Vodafone mobile customers and some EE customers on older contracts. The BT Wi-Fi app will allow you to save your login details and connect automatically when you're in range of a hotspot.

What company owns EE?

BT Consumer BT Group

Can I switch from EE to BT?

You'll also be given a go-live date for when your broadband service will transfer from EE to BT. As long as you do this, BT will arrange for your phone number to be moved over to their service. There's no need for you to contact EE to cancel your old home broadband service.