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Keep your phone. Save money. Switch to SIM Only with Olimit and start saving today.

Compare the best SIM Only deals now and see how much you could reduce your monthly bill.

Use our filters to find the perfect plan — adjust data, contract length, and price to match your needs and budget.
Need help deciding? Explore our guide to getting a UK SIM card and see how SIM Only compares to a phone contract.

Olimit Tips & Tricks

How do I switch SIM only deal and keep my number?

1. Choose your new SIM Only deal
Compare the best SIM Only plans from top UK mobile networks. Once you find a deal that fits your needs, click through to the provider’s website to place your order.

2. Get your PAC code to keep your number
Want to keep your existing mobile number when switching networks? Text PAC to 65075 to get your code instantly — it’s quick, free, and works on all major UK networks.

3. Transfer your number to your new SIM Only plan
After signing up for your new SIM Only deal, give your PAC code to your new network. This will begin the number transfer process and automatically cancel your old contract. In most cases, you can enter your PAC code during checkout when switching SIM Only deals online.

Why is my SIM Only contract price increasing?

SIM Only plans often go up in price once a year — usually around March or April. These mid-contract price hikes used to follow the Consumer Price Index (CPI), but Ofcom now requires mobile networks to clearly state any increases in pounds and pence in your contract.

Not happy with the change?
Check when your current contract ends and set a reminder to switch. If you’re unsure about your status, text ‘INFO’ to 85075 — this free service will tell you whether you’re still in contract and if you can switch providers without paying an early exit fee.

Ready to switch?
Compare the best SIM Only deals at Olimit and take back control of your mobile bill.

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Price rises every April in contract by £1.50

12 Month Contract

1pMobile SIM Only Deals: Cheapest PAYG Plans with Flexible Options

Looking for an ultra-affordable, flexible pay-as-you-go (PAYG) mobile network? 1pMobile is a budget-friendly option aimed at cost-conscious smartphone users, claiming to offer the UK’s cheapest and most flexible PAYG tariff. Whether you need basic calls and texts or some data on the go, 1pMobile’s simple pricing and EE-powered coverage make it worth a look.

Why Choose a 1pMobile SIM Only Deal?

1pMobile stands out because of:

Eye-catching low prices: You pay just 1p per minute for calls to UK mobiles and landlines, 1p per text, and 1p per MB of data.
No contracts or commitments: Top up when you want with no minimum top-up, and keep your credit indefinitely as long as you add credit every 120 days.
Flexible data boosts: Choose 500MB for £4, 1GB for £6, 2GB for £10, or 4GB for £15, either as one-off top-ups or on a rolling 30-day plan.
Tethering allowed: Use your phone as a hotspot without restrictions.
Excellent network coverage: Uses EE’s network, which covers 99% of the UK population with 4G and growing 5G access.
Triple SIM card compatibility: Fits any unlocked phone with standard, micro, or nano SIM slots.

How Does 1pMobile Work?

Unlike traditional monthly SIM plans, 1pMobile works on a pay-as-you-go basis:

You top up credit when needed.
You’re charged per usage: 1p/min for calls, 1p/text, 1p/MB data.
Voicemail retrieval also costs 1p.
Your credit lasts indefinitely if topped up every 120 days—no minimum amount required.

Data and Pricing

1pMobile is great for light users. But if you use a lot of data, the costs add up:

1GB of data on PAYG = £10 (1p per MB × 1024MB)
For heavy data users, a SIM-only monthly plan with bundled data might be better value.

What’s the Big Selling Point?

1pMobile’s key selling point is transparency and flexibility:

No surprise fees or annual price hikes.
No long-term contracts, so you can cancel or switch anytime.
Credit doesn’t expire as long as you stay active.
Option to buy data boosts monthly or as you go.

Roaming Charges

If you travel in Europe, 1pMobile charges:

Calls: 4p per minute
Texts: 1p each
Data: 4p per MB

These are higher than at-home rates, so keep usage in check while abroad.

Network Coverage & Speeds

1pMobile is an MVNO using EE’s network, covering 99% of the UK population.
Coverage is reliable for 4G and expanding 5G areas.
Speeds are generally good but may not match EE’s direct customers.

SIM Compatibility

1pMobile uses a triple SIM card (standard, micro, nano) compatible with any unlocked phone that supports 2G, 3G, or 4G.

Frequently Asked Questions About 1pMobile

Is 1pMobile cheaper than other PAYG networks?

Yes, with 1p per unit pricing, it’s one of the cheapest PAYG options in the UK.

Can I keep my phone number when switching?

Yes, get a PAC code from your current provider to transfer your number to 1pMobile.

Do I need to unlock my phone?

Yes, your phone must be unlocked and compatible with EE’s network.

Does 1pMobile offer 5G?

Yes, if you have a 5G-compatible phone and are in a 5G coverage area.

How do I top up or manage my account?

You can top up online or via the 1pMobile app anytime.

Can I use my 1pMobile SIM for tethering?

Yes, tethering/hotspot use is allowed with no restrictions.

Are there any contract options?

No, 1pMobile is strictly PAYG, but you can set up monthly rolling data boosts if you like.

What happens if I don’t top up for 120 days?

Your credit and account may be deactivated after 120 days without a top-up.

Are there family or multi-SIM discounts?

Not currently, but multiple SIMs can be managed individually.

What Users Say About 1pMobile

“I love the simplicity and low cost. Perfect for my light use and the credit never expires as long as I top up every few months.” — Sarah, Birmingham

“Great for casual use, but I switched to a monthly SIM plan because the data cost got too high.” — Tom, Leeds

“Reliable coverage thanks to EE, and I use tethering to keep my laptop online when out and about.” — Emily, Glasgow

Final Thoughts

1pMobile is ideal if you want a super cheap, no-contract PAYG plan with transparent pricing and solid UK coverage. It’s especially good if you’re a light user who prefers paying only for what you consume and values flexibility.

If you use a lot of data or want bundled minutes and texts, consider a SIM-only monthly plan for better value.

Other Networks

We partner with trusted networks—both the household names and rising stars—so you can compare better deals, smarter options, and hidden gems all in one place.

If 1p Mobile isn’t the right fit for you, there are plenty of other UK networks offering a wide variety of plans. Whether you're looking for something budget-friendly, need loads of data, or have specific handset preferences, there’s a perfect deal out here for you.

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Data

Price

1pMobile SIM Only Deals: Cheapest PAYG Plans with Flexible Options

Why Choose a 1pMobile SIM Only Deal?

How Does 1pMobile Work?

Data and Pricing

What’s the Big Selling Point?

Roaming Charges

Network Coverage & Speeds

SIM Compatibility

Frequently Asked Questions About 1pMobile

Is 1pMobile cheaper than other PAYG networks?

Can I keep my phone number when switching?

Do I need to unlock my phone?

Does 1pMobile offer 5G?

How do I top up or manage my account?

Can I use my 1pMobile SIM for tethering?

Are there any contract options?

What happens if I don’t top up for 120 days?

Are there family or multi-SIM discounts?

What Users Say About 1pMobile

Final Thoughts

Other Networks

Sim Only Deals

Network Providers

Networks

Olimit Tips & Tricks

Networks Using:

Select By All Networks

Data

Price

1pMobile SIM Only Deals: Cheapest PAYG Plans with Flexible Options

Why Choose a 1pMobile SIM Only Deal?

How Does 1pMobile Work?

Data and Pricing

What’s the Big Selling Point?

Roaming Charges

Network Coverage & Speeds

SIM Compatibility

Frequently Asked Questions About 1pMobile

Is 1pMobile cheaper than other PAYG networks?

Can I keep my phone number when switching?

Do I need to unlock my phone?

Does 1pMobile offer 5G?

How do I top up or manage my account?

Can I use my 1pMobile SIM for tethering?

Are there any contract options?

What happens if I don’t top up for 120 days?

Are there family or multi-SIM discounts?

What Users Say About 1pMobile

Final Thoughts

Other Networks

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