Looking for a SIM plan for your mobile? It’s definitely worth having a look at what Three have on offer.
In this article, we’ve picked out the best SIM-only deals available from UK provider Three right now.
More and more people are making the switch to SIM-only deals, and it’s not hard to see why.
If you’re already in ownership of a handset, you can save loads of cash by taking the SIM-only route, which will set you up with minutes, texts and data for a monthly cost.
The SIM-only market is hugely competitive, with providers seeking to outdo each other with huge data offerings at low prices – and Three is no exception.
Three offers a sweeping range of 1-month, 12-month and 24-month SIM-only contracts[/caption]
- Three SIM deals – shop here
To save you the hassle of scrolling through Three’s website, we’ve picked out our favourite SIM-only deals from the brand below – you’ll find a range of data allowances and cost options listed.
For a list of the finest offers from other providers, head to our best SIM only deals page.
Money is tight at the moment for everyone so we’ve also collected the best cheap iPhone SE deals, to suit a smaller budget.
Here’s our picks for the best Three deals this month.
The best Three SIM-only deals this July
1. Unlimited data: £11.50 per month for first 7 months
If you want to surf with confidence, then this unlimited data plan will keep you scrolling for hours.
This is a 24 month plan on Three’s network that works out at £11.50 per month for the first 7 months, (saving you £80.50).
- Unlimited data | Unlimited calls and minutes | 24-month contract | £11.50 for 7 months (£23 after) – buy from Three
2. Unlimited data: £13.50 per month (after £30 cashback)
Unlimited data with a shorter contract length without pushing your price up – this may be the perfect SIM-only deal from third party provider Buymobiles.
This is a 12 month plan on Three’s network and works out at £16 per month before the £30 automatic cashback, bringing it down to £13.50 each month.
- Unlimited data | Unlimited calls and minutes | 12-month contract | £13.50 (after £30 cashback) – buy from Buymobiles
3. 30GB data: £7 for first 6 months
If you don’t need that much data, then this smaller 30GB plan is a great alternative.
The same 6-month half-price offer applies here too: for half a year you’ll pay just £7 a month before it goes up to the standard rate of £14.
- 30GB data | Unlimited calls and minutes | 24-month contract | £11 for 6 months (£22 after) – buy from Three
4. 12GB data: £7 per month (after £24 cashback)
This is the goldilocks of SIM-only deals, not too much or too little data for a reasonable price of £9 per month (or £7 after cashback).
For people who aren’t big data users but need more than small 1GB or 2GB options, this affordable 12 month plan might be just right.
- 12GB data | Unlimited calls and minutes | 12-month contract | £7 (after cashback) – buy from Buymobiles
5. Unlimited data: £11.50 for first 6 months
Three is offering the first six months of this 24-month plan for half the typical price.
That’s a £69 saving on a contract that sets you up with limitless data.
- Unlimited data | Unlimited calls and minutes | 24-month contract | £11.50 for 6 months (£23 after) – buy from Three
6. 30GB data: £11.92 per month (after £50 cashback)
Cashback has become a big trend in the world of mobile providers and we like this deal from Buymobiles.
For the majority of people 30GB is plenty of data and you only pay £14 per month – or £11.92 after the automatic £50 cashback.
- 30GB data | Unlimited calls and minutes | 24-month contract | £11 .92 (after cashback) – buy from Buymobiles
7. 1GB data: £9 per month
If your data needs are minimal then take this SIM-only deal into consideration.
Yes, 1GB isn’t much for most people, but if that’s enough for you we sure you’ll like that super-low monthly cost of £9.
- 2GB data | Unlimited calls and minutes | 12-month contract | £9 – buy from Three
What is the best Three SIM-only deal?
Our favourite SIM-only deal from Three right now is without a doubt the unlimited data with first six months half-price (£11) plan.
It’s perfect for data-hungry phone users who are into gaming or like streaming content on the go.
And did we mentioned the free £100 pre-paid Mastercard available to anybody who’s switching from another company?
However, don’t let that last freebie affect your decision-making too much – it’s worth doing some maths to be certain you’re moving on to a phone plan that saves you cash in the long run.
We also like the unlimited plan from Buymobiles as this gives a shorter contract for just £16 per month, although the cashback on this is much less than that directly from Three.
If you like to stick with your contracts for longer, a 12 month option might not be for you as there is no guarantee you can renew it for such a low price.
How long is a SIM-only contract with Three?
Directly from Three there are, well, three different contract durations for SIM plans.
Depending on your choice, you can either sign up to a 1-month, 12-month or 24-month package.
Keep in mind though: the shorter the contract, the more you can expect to pay.
So while a 24-month 30GB plan costs £14 a month, the equivalent month-long plan costs £24 a month.
That’s quite the increase, but is hardly a surprise: Three simply wants your business for as long as possible.
Other third party providers often do 12 or 24 month contracts – omitting the one month option.
Why choose a SIM-only deal?
SIM-only plans are a great choice if you’ve already got a phone that’s been paid for.
Without that expenditure to factor in, you can easily keep your phone outgoings relatively low each month with a SIM-only plan.
You won’t necessarily need to commit long-term: most providers offer pay-as-you go SIM plans which you can use on a rolling basis.
So if you’re waiting for the release of the next big flagship phone, a SIM-only plan is a great temporary option.
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