
iPhone Duo 256GB Black


Spread the cost of a new handset across 12, 24, or 36 months, from £15/month.
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The UK mobile market is one of the most competitive in the world, which is great news for customers. But with hundreds of deals available across multiple networks, it's easy to overpay or end up tied into a contract that doesn't match your needs. Here's what you could be losing out on by not comparing:
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Follow these four steps to find and apply for the right pay monthly deal in minutes.
Browse iPhones, Samsung Galaxy, Google Pixel, and more. Use the filters to sort by brand, storage size, colour, and price range. Switch shows total contract cost alongside monthly price so you can compare fairly.
Select your data allowance (from 1GB to unlimited), contract length (12, 24, or 36 months), and upfront cost preference. If you want to pay nothing today, filter for zero upfront cost deals. If you can pay a lump sum now, your monthly bill will be lower.
Before signing up, confirm your chosen network has strong 4G or 5G signal at home, at work, and on your commute. Switch displays coverage data for all major UK networks so you can check before you commit.
Once you find the right deal, click through to the network or retailer to apply. Most applications take under 5 minutes. A credit check is standard for pay monthly contracts. Your new phone is typically delivered within 1 to 3 working days.
Price is important, but these factors decide whether a deal is genuinely right for you.
A low monthly price can look attractive, but always check the total amount payable over the full contract. A £30/month deal over 36 months costs £1,080 total; a £40/month deal over 24 months costs £960 total. Switch shows the full contract cost for every deal so you can compare accurately.
According to Ofcom, the average UK smartphone user uses around 11GB per month. If you stream video, scroll social media, or work on the go, unlimited data is worth considering. If you mainly use Wi-Fi, 5 to 15GB may be plenty. Going over your allowance is expensive, so it is usually better to buy slightly more data than you need.
Many pay monthly phone deals require an upfront payment toward the handset, typically £30 to £200. Paying more upfront reduces your monthly cost. If you prefer zero upfront, deals are available, but expect slightly higher monthly payments over the contract term.
Shorter contracts (12 months) offer flexibility to upgrade sooner. Longer contracts (24 to 36 months) usually mean lower monthly bills but keep you tied in longer. Consider how often you like to upgrade before committing to 36 months.
All four main UK networks (EE, O2, Vodafone, and Three) offer 5G in major UK cities and towns. EE has the widest 4G coverage nationally. Three offers the most competitive unlimited data pricing. O2 includes EU roaming on all plans. Check which matters most for your lifestyle before choosing.
Many UK network contracts include an annual price increase clause, typically CPI inflation plus 3 to 4%. This means your monthly bill will rise each April. Always read the small print. Switch flags which deals include annual increases so there are no surprises.

Not sure which network to go with? Here is how the main UK networks stack up on the factors that matter most. Prices are indicative based on May 2026 market data.
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A pay monthly phone deal is a mobile phone contract where you pay a fixed amount each month that covers both your handset cost and your airtime (calls, texts, and data). At the end of the contract, you own the phone outright. Contracts typically last 12, 24, or 36 months.

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