O2 Multi-size SIM Card (Nano/Micro/Standard)
O2 PAYG Multi-size SIM Card (Nano/Micro/Standard)
Earn cash back when you top up with O2 Rewards and get access to Priority with all the perks, but without the contract. Just choose the bundle you want, order your free sim, then top up the right amount each month and we’ll exchange your credit for your minutes, texts and data allowance.
Roll over up to 100% of your monthly allowance into the next month, with data rollover.
- 7GB @ £10 / 30 days
- 15GB @ £15 / 30 days
- 30GB @ £20 / 30 days
- 100GB @ £30 / 30 days
All with unlimited calls and texts.
- Micro/Nano/Standard size SIM card
- Calls from 5p per minute
- Texts from 5p each
- Data from 5p per MB
- Works in all O2 and network unlocked/sim free phones.
O2 has 47 million UK connections across broadband, mobile, TV and home phone. With its own fixed network currently passing 15.5 million premises alongside a mobile network that covers 99% of the nation’s population with 4G, and almost 200 towns and cities with 5G services.
What is a pre-pay / pay-as-you-go SIM card ?
A SIM card is the little chip that slots into your phone to enable your network of choice to provide the airtime and/or data allowance to be used by you on your phone.
Each network operator provides their own SIM cards for access to their network.
A pre-pay / pay-as-you-go (PAYG) SIM deal is simply a network SIM card that you pay for the airtime (and data) up-front. i.e. you’re not tied into any contract or commitment. You just pay for what you use.
So, simply grab one of our network SIM cards, along with one of our exceptional phone deals and start calling, texting, surfing, Instagramming, TikTok’ing etc!
Which network is best for coverage in your area?
There are 4 main networks in the UK that actually own the infrastructure – these are EE, O2, Vodafone and Three.
You can get an idea of the network’s signal strength in any area with Ofcom's Telecoms Coverage Checker.
All other smaller mobile providers (Also called Mobile Virtual Network Operators / MVNO’s) 'piggyback' off the main networks using their infrastructure.
MVNO’s such as GiffGaff and Lebara that we offer often provide the best deals for specific groups of customers – so check out their tariffs and see what’s best for you!