O2 Mobile Top-up

You are sending top-up to

+44
500+ mobile networks supported
Instant delivery in < 3 seconds
Safe & secure checkout

Welcome Offer Get 10% Off on your First Mobile Top-up. Applied automatically at checkout!

How much recharge would you like to send to o2?

RECEIVER GETS 15 GBP

Instant delivery via SMS

RECEIVER GETS 10 GBP

Instant delivery via SMS

RECEIVER GETS 20 GBP

Instant delivery via SMS

FAST. EASY. REWARDING.

Get 10% OFF

on your first top-up with Talk Home App.

DOWNLOAD OUR APP FOR APPLE & ANDROID.

SCAN THE QR CODE

Sorry, we don't have any plans available for o2 at this moment.

How much recharge would you like to send to o2?

RECEIVER GETS 15 GBP

Instant delivery via SMS

RECEIVER GETS 10 GBP

Instant delivery via SMS

RECEIVER GETS 20 GBP

Instant delivery via SMS

FAST. EASY. REWARDING.

Get 10% OFF

on your first top-up with Talk Home App.

DOWNLOAD OUR APP FOR APPLE & ANDROID.

SCAN THE QR CODE

About O2 UK

O2 UK is a prominent mobile network operator well-known for its consistent coverage and customer-friendly services. O2 serves individuals and families with adaptable Pay As You Go packages and O2 top up bundles that are tailor-made to fit varied needs—whether data-hungry surfing, unlimited texting, or calls abroad.

With its strong 4G/5G network covering the UK, O2 provides uninterrupted connectivity, and its O2 pay as you go top up facility gives users the power to remain masters of their spend without long-term commitments.

Suitable for home use and international communication, O2 offers affordability along with premium services such as unique benefits like O2 Priority. Whether topping up for daily use or emergency O2 recharge, the network's simple plans and clear pricing make it a reliable option.

Top Up Any O2 UK Number

Effortlessly manage your O2 top up online with the Talk Home App, designed for speed and convenience.

Topping up your O2 top up number is simple:

  • Log into the Talk Home App
  • Choose a credit amount or select from tailored O2 top up bundles.
  • Confirm your transaction and you are done.

Whether you’re recharging your own balance or supporting a friend’s O2 pay as you go top up, the process is instant and secure. Regular O2 recharge ensures uninterrupted access to high-speed data, crisp calls, and global messaging, even in emergencies.

The Talk Home App also lets you explore budget-friendly bundles for international destinations or heavy data users, all while avoiding hidden fees.

With instant notifications and 24/7 accessibility, maintaining your O2 balance has never been easier. Enjoy the freedom of flexible top-ups and stay connected wherever life takes you—download the Talk Home App today and experience hassle-free O2 top up online in just a few taps.

Proudly Represented by Our Customers

Don't just take our word for it. Here are some of our customers sharing their
international calling experience with Talk Home App.

“ Loving the new update! The fresh look and improved features make the Talk Home App feel even more enjoyable. Beyond the excellent call quality, my favourite part is the ease of recharge any number in Pakistan online. Amazing job!”

Sara Khan

“ With the Talk Home App, I can instantly send mobile top-ups and call bundles to my family back in Afghanistan in a few seconds. The best part is that they receive the top-up right away, and there are no hidden charges or fees with the service. Highly recommended! ”

Hasnain Afridi

“ I have to say it's rather different to other international calling apps and really well designed and easy to use which is why I've given it a top rating. I have been using it to top-up my mobile plan and send prepaid calling bundles back home. Thanks to the team. Keep up the great work!”

Taye Taylor

Need help with Sending a Top-up to O2?

Get quick answers to commonly asked questions about O2 top-up

You can conveniently get O2 top-up online with Talk Home App. Here’s how:

  • Visit https://talkhomeapp.com/mobile-top-up.
  • Enter the number you want to recharge.
  • Select Top-up account.
  • Confirm your payment methods.
  • That’s it, you are all set to use your O2 top up.

Here’s how you can instantly redeem your o2 mobile voucher:

  • Call 4444 from your o2 mobile, and follow the voice prompts. Once asked enter the voucher code to redeem it.
  • Alternatively you cal dial 08456 062 277 from a landline or mobile number and enter the voucher code.

The top-up credit on o2 mobile will expire after 12 months.

To check your O2 United Kingdom balance, dial *#10#. This prompt will automatically display your current mobile balance.

Convert your credit into data by purchasing an O2 top-up bundle. For example, use the O2 app to choose a data-focused bundle. Bundles offer more data for your money compared to standard PAYG rates.

If you’ve topped up online, via the O2 top-up number, or with a voucher, your O2 recharge is automatic. Just restart your phone if you don’t see the credit immediately.

Dial *#10# from your O2 phone or check the O2 app. Your updated O2 PAYG top-up balance and any active bundles will show instantly.

Yes! Enable "Auto Top-Up" in your O2 account to recharge automatically when your balance runs low. Perfect for avoiding unexpected credit shortages.

A standard O2 Pay As You Go top-up adds credit to spend as you go. O2 top-up bundles convert that credit into fixed data/minutes/texts at discounted rates (e.g., £10 for 5GB data + 500 minutes).

Double-check your payment method or voucher code. Restart your phone, and if it’s still not working, call O2 Customer Services at 4444 for help.

Download Talk Home App

Download the fastest growing international calling app & connect with loved ones anywhere in the world, starting from just 1p/min