O2 is well-recognized in the UK for providing a variety of data plans that cater to different needs. They offer options that range from PAYG tariffs to monthly contracts, with many plans featuring unlimited calls and texts. Customers can choose from simple SIM-only deals or opt for more inclusive packages with added benefits. Flexibility is a key attribute of O2’s offerings, allowing users to find a plan that fits their usage patterns and budget.
The company constantly updates its plans to stay competitive. For example, O2’s SIM-only plans start at affordable prices, some offering substantial data allowances. They also provide unique perks like priority access to events, tech support, and free access to Wi-Fi hotspots. For those seeking no-compromise connectivity, O2 has unlimited data plans that also come with bonuses like complimentary subscriptions to streaming services, making it a comprehensive mobile solution.
O2 Data Plan Options
O2, one of the UK’s major mobile networks, offers a variety of data plans designed for different lifestyles — from flexible, no-contract options to full-featured monthly bundles.
Below, we’ll break down the main types of O2 plans, what they include, and how to choose the right one.
🧾 1. O2 Pay Monthly Plans
Best for: Users who want a new phone or consistent allowances with added perks.
🔹 Overview
O2’s Pay Monthly plans are traditional 12-, 24-, or 36-month contracts. You can choose either:
- A Device Plan + Airtime Plan (for a new phone)
- A SIM Only Plan (if you already have a phone)
💰 Typical Data Allowances (as of 2025)
- 5GB – Around £17/month
- 30GB – Around £21/month
- Unlimited Data – Around £30/month
⭐ Key Features
- Unlimited calls and texts on all plans
- 5G access included (where available)
- O2 Priority rewards (exclusive offers, concert tickets, etc.)
- EU roaming included up to 25GB/month
- Flexible upgrades with O2 Refresh
✅ Ideal for: Regular users who want reliability, perks, and a new phone option.
(Source: O2 Pay Monthly Plans)
🔁 2. O2 Rolling Plans
Best for: Users who want contract-free flexibility but don’t want to top up manually.
🔹 Overview
Rolling Plans are 30-day SIM-only deals that automatically renew each month — no long-term commitment.
You get a fixed allowance of minutes, texts, and data, and you pay automatically each month by card or direct debit.
💰 Example Rolling Plan Options
- 5GB – £10/month
- 15GB – £15/month
- Unlimited Data – £30/month
⭐ Key Features
- No contract — cancel anytime
- EU roaming up to 25GB/month
- Optional international minutes add-on (to 42 countries)
- 5G-ready SIMs
✅ Ideal for: People who want a simple, low-commitment plan without the hassle of topping up.
(Source: O2 Rolling Plans)
💳 3. O2 Pay As You Go (PAYG)
Best for: Light users or those who prefer full control over spending.
🔹 Overview
With Pay As You Go, you top up your balance and only pay for what you use — or you can buy Big Bundles for better value.
💰 Example Big Bundles
- £10 Big Bundle: 7GB data + unlimited calls/texts
- £15 Big Bundle: 25GB data + unlimited calls/texts
- £30 Big Bundle: Unlimited data
Bundles last 30 days and renew automatically if you have enough credit.
⭐ Key Features
- No contract or credit check
- Data rollover (unused data rolls to next month)
- 5G access included
- Flexible top-ups via the My O2 app or vouchers
✅ Ideal for: Students, occasional users, or anyone who wants full control and no monthly bills.
(Source: O2 Pay As You Go Plans)
🌍 4. O2 Business and Data-Only SIMs
Best for: Tablets, mobile broadband, or business users.
🔹 Data-Only SIMs
- Designed for tablets, laptops, or dongles.
- Available with 1GB to Unlimited Data.
- Prices start around £10/month.
🔹 O2 Business Plans
- Tailored for small and large businesses.
- Include shared data pools, device management, and international options.
(Source: O2 Business Plans)
🧠 Choosing the Right O2 Data Plan
| User Type | Recommended Plan | Why |
|---|---|---|
| Heavy data user | Pay Monthly Unlimited | Reliable, 5G, and perks |
| Budget-conscious | Rolling Plan (15GB) | Low cost, cancel anytime |
| Occasional user | PAYG Big Bundle | Full control, no commitment |
| Tablet/laptop user | Data-Only SIM | Internet-only usage |
| Business user | O2 Business Plan | Shared data & management tools |
🏁 Final Thoughts
O2 offers one of the most flexible ranges of data plans in the UK — from light PAYG users to heavy 5G streamers.
- Go for a Rolling Plan if you want simple, no-commitment monthly data.
- Choose Pay Monthly for premium perks and device upgrades.
- Pick PAYG for total control and no contracts.
Whatever your needs, O2’s mix of coverage, 5G access, and flexibility makes it a solid choice for UK consumers.
Key Takeaways
- O2’s mobile plans offer varied data options for different user needs
- SIM-only deals and monthly contracts with added benefits are available
- Unlimited data plans include additional perks such as streaming subscriptions
O2 Data Plan Options
O2 provides a variety of data plans that cater to different needs, from monthly contracts with the freedom to adjust data allowances to pay as you go options topped up at the user’s convenience. These plans offer a mix of data, texts, and additional perks like streaming services and network coverage.
Pay Monthly Plans
O2’s Pay Monthly plans give customers a set data allowance each month. They come with unlimited calls and texts, allowing for easy communication without the worry of overage charges. Customers have the flexibility to change their airtime tariff up or down once a month after the first 30 days. Contract lengths can range from short-term commitments to longer plans, with the possibility of including streaming services like Disney+ or Amazon Prime Video as part of the package. 5G coverage is available on compatible devices and plans, providing faster internet speeds.
Pay As You Go Tariffs
The Pay As You Go tariffs suit those who prefer not to be tied to a monthly payment. Users can top up their data whenever needed. O2 offers free SIMs for this service, with the option to add data. This flexibility is ideal for users who want to manage their budget more closely. O2 Wifi Hotspots across the country provide easy access to the internet, reducing dependency on the mobile data allowance.
SIM Only Deals
O2 SIM Only deals are great for customers who already have a mobile device. These deals often include unlimited calls and texts and give access to 4G and 5G O2 networks. Subscribers might also gain special perks through O2’s Priority Reward Scheme, which offers various exclusive deals and experiences. SIM Only customers can manage their plans through the My O2 app, making it simple to monitor data usage, billing, and benefit from any included EU and international roaming allowances.
