Best SIM Only for Unlimited Internet Data Allowance

Do you love using the internet on your phone? We all know how expensive phone contracts can be, and if you like the phone you currently use, you might not want to pay loads to get a new one with unlimited data. Thankfully, there are a great range of SIM only deals with unlimited data meaning you can keep your current phone and save money – we’ve found some of the best.

View Editor’s best pick SIM Only deals.

Three Mobile

The pioneer network when it comes to unlimited – or all-you-can-eat, as they like to call it – data, it makes sense to consider them when it comes to getting a SIM only deal that lets you use as much data as you like. As well as being the best around when it comes to being generous with data, Three has also been voted the most reliable network in the UK, and ranks the highest for customer satisfaction. Their motto is ‘if something sucks, make it right’ so you can be guaranteed that you’ll get the best customer service if you’ve got a problem.

Just £17 per month will get you a SIM only deal from Three with Unlimited data usage – and you’ll also get unlimited texts and 200 minutes to go with it. Less than £20 a month and you can browse to your hearts content with 4G speeds at no added cost (providing you have a 4G compatible handset). It really is a no-brainer!

Want more minutes? It’s just £22 per month to get 600 minutes and all-you-can-eat texts and data – for that price, what are you waiting for!

Click here to view more Three Mobile SIM Only.


Vodafone is one of the UK’s leading mobile networks and they really know what the customers want. They made the first mobile phone call from London back in 1985, and have been winning awards for keeping their customers happy ever since. Although Vodafone don’t offer completely ‘unlimited’ data, we think their plan for £30 per month with unlimited minutes and texts and 20GB of data comes pretty close – you’d have to be on the phone constantly to go over that amount!

Click here to view more Vodafone SIM Only.


GiffGaff is often overlooked when it comes to choosing a network for a new mobile phone price plan, however we don’t think that they should be – after all they offer no fuss, no contract price plans and are completely focussed on their members and meeting customers’ needs. They’re also part of the massive UK network O2, so if you had any worries about signal reliability you can rest assured, they’ve got network coverage almost everywhere.

GiffGaff has got one of the best SIM only deals on the market for unlimited data – in fact, it’s got unlimited texts as well, and a whopping 2000 minutes so you can spend ages on the phone as well. Along with that, if you’ve got any mates on GiffGaff you’ll be pleased to know that you can call each other completely free of charge! Even if you don’t know anyone on GiffGaff now, don’t be surprised if they want to switch once they hear about this deal!

So, 2000 minutes, unlimited texts, AND unlimited data, all for just £20 per month! No, we’re not joking, it’s real! And the best bit – there’s no contract, so you can change or cancel whenever you like. If that’s not a bargain, we don’t know what it is.

Click here to view more GiffGaff SIM Only.


If you’re currently a TalkTalk broadband customer, you’re in luck with this amazing exclusive deal. If you’re not a customer but you’ve been thinking of switching your broadband why not give them a try – they offer great packages on broadband, home phone and TV and have excellent UK customer services.

For existing customers, they’re offering a completely unlimited everything SIM only deal for the amazing price of just £12 a month – yes, you read that right! It’s a 30 day rolling contract, and it’s also the cheapest deal for getting online without any limits. So, if you’re already with TalkTalk, what are you waiting for – you won’t get much better than this!

Click here to view more TalkTalk SIM Only.

The People’s Network

Although TPO don’t offer completely unlimited data, they do come pretty close with their 31GB deal – you’d have to work really hard to go over that much! If you’ve never heard of TPO before it’s probably because they don’t spend much on advertising so that they can keep prices low and donate to charities in the meantime. So, if you’ve been beating yourself up for not being very charitable recently, what better way to do your good deed by signing up for a SIM only contract with TPO and donating 10% of your monthly payment to charity at no extra cost.

For just £19.99 you’ll get unlimited minutes and texts and a hefty 31GB of data – definitely the next best thing to unlimited!

Click here to view more TPO SIM Only.

No Comments

Leave a reply