Septembre 2021 —

O2 data plan: get data in 1min!

Are you looking for a good data deal for your phone? Do you spend time browsing the internet more than you thought and your current plan isn’t enough? Switch to an O2 data plan! 

Underestimating mobile data needs happens to all of us, especially when we use our phones both for work and entertainment. Luckily, with the O2 data plans, you can be sure that you never run out of data. And even if you do, we have the solution for you: Monisnap (ex Allo), you can get a top-up in a matter of seconds. 

In this article, you will get all the information you need so you can find the best O2 data plan to suit your needs. We hope you’ll find it useful!

O2 presentation

O2 data plan: get credit
O2 data plan

O2 Mobile (previously Cellnet) is the second largest telecommunications services provider in the UK, after EE. 

Officially formed in 1985 with headquarters in Slough, England, O2 was originally created as a joint venture between BT Group and Securidor. However, O2 mobile was bought in 2006 and is now owned by the Telefonica group, a Spanish multinational telecommunications company. O2 Mobile is officially incorporated as Telefonica UK Ltd., however, the owner decided to keep the brand as O2. The company also has two subsidiaries: Giffgaff and 50% of Tesco Mobile . 

O2 Mobile has over 10.000 employees and owns over 450 retail stores across Great Britain and Northern Ireland.

O2 data plan: the best offers

Although O2 doesn’t come with 1000 data plans, the company does offer good coverage and great value for money. In the table below you will find the best of the O2 data plans, suited for every need. 

O2 data plan

Choose the best for you

PriceTexts and callsData

O2 tariffs

O2 practices great tariffs, starting from £5 and they can go up to £30. Depending on your needs, choose from one of the Big Bundles O2 has available. 

In the table below you will definitely find an offer that will fit your budget.

O2 tariffs

Find the best O2 data plan

PriceTexts and calls DataInternational calls
£10Unlimited7GB of 2G/3G/4G data None
£20Unlimited15GB of 2G/3G/4G data Discounted calls at 1p/minute
£30Unlimited100GB of 2G/3G/4G data 500 minutes to 29 countries

How can I buy an O2 data plan online?

If you want to buy an O2 data plan online, you have two options. 

The easiest way to buy an O2 sim data plan is to log into your O2 mobile app and select the plan that best suits your needs. 

You can also pass through your browser to buy an O2 data plan online. Nonetheless, you will need to input your O2 mobile and credit card details every time you want to make a purchase. 

How do I check my O2 credit balance?

The easiest way to check out your O2 credit balance is by logging into your O2 account from the mobile phone app, My O2. 

If for some reason you can’t access your account, you can always check your balance by dialing 4444 from your O2 phone number. The service also works if you key *#10# and then press the call button. 

O2 mobile: top up your phone in 1mn with Monisnap (ex Allo)

Do you want to top up a friend’s O2 phone number in just one minute? Use Monisnap (ex Allo), the fastest way to recharge a mobile in just a couple of clicks!  

You can purchase mobile top-ups for call credit or mobile data at the exact same fares that you find on O2. 

Here’s how it works: 

  • choose the mobile and the amount you wish to top-up 
  • pay securely on our platform using your Visa or Mastercard 
  • enjoy your instantly credited top-up 

As a bonus, for each top-up, mobile or data, you earn one loyalty star. Four stars equal one top-up with zero fees.

Use Monisnap (ex Allo): fast, easy and secure!

🚨 How can I get my O2 SIM?

To get your O2 SIM, follow this process:

  •       Choose your free SIM on the “Pay as you go” section of O2 website

  •       Wait 1-2 working days for the delivery

You’ll just have to top up your phone and it’ll be done.


🌍 In which countries is O2 available?

O2 is present in Great Britain, Northern Ireland, Spain and Germany.

📞 How can I contact the O2 UK customer service by phone?

Reach the O2 Customer Service by phone. All numbers are available between 8am and 9pm from Monday to Friday or 8 am to 6pm on Saturdays and Sundays. Here are the numbers you can use to call them: 

  • For your Pay Monthly service, call 222 from your O2 Mobile

  • Four your Pay as you Go service, 4445 from your O2 Mobile

  • If you are using a landline, cal 0344 8090222 

  • Call +44 7860 980 202 from abroad 

🚀 Can I top up my phone abroad?

Prepaid plans can be recharged from anywhere, just follow the procedure mentioned above. With Monisnap (ex Allo), you can also top up your phone from anywhere. 

🧭 Can I find the same O2 mobile top-up plans on Allo by Monisnap as on their website?

Exactly! With Monisnap (ex Allo), all the O2 prepaid plans are available! You can visit our website to discover the offers: clear and easy to understand. Data, texts, calls: all that you need is available and affordable with Monisnap!


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