Best iPhone deals: The cheapest 6, 6S and SE this month

Apple's current flagship iPhones – the iPhone 6S and 6S Plus – are set to be replaced by the iPhone 7 this September.

The new handset will sit on top of the iPhone food chain, being the strongest, most technologically advanced smartphone the company makes, as well as the most expensive.

But its arrival will also herald some great deals on Apple's older models, including the soon-to-be dethroned 6S, as well as the iPhone 6 and maybe even the firm's latest 4ins option, the iPhone SE.

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But if you can't wait it out and you need a new iPhone now, here are some of the best deals on offer.

Best iPhone 6S deals

Apple's latest phone can be bought outright from the Carphone Warehouse for £529 – £10 cheaper than going directly to the tech giant.

Buying a handset SIM-free and then choosing a separate network plan for it is often credited with being the cheapest way to own a smartphone. In the long run, it costs less than a standard contract and offers more flexibility, as you can sell the phone and end your network plan whenever you like. Most phone contracts will tie you down for 24 months.

However, not everyone likes the idea of placing down big money upfront, so MoneySupermarket has searched for some tempting offers on contract deals. The 6S can be had in 16GB guise with unlimited calls, texts and a healthy 3GB data for £28 a month on Vodafone. It's £50 up front, but a voucher code means you'll get £10 off.

However, 16GB won't be big enough for everyone, so Vodafone does a similar deal on a 64GB 6S for £32 a month.

Best iPhone 6 deals

If you want to spend a little less, then Apple's 2014 model will give you the latest iPhone design with a 4.7ins screen without spending top dollar. It may be two years old, but it's definitely worth considering, says Alphr.

Money Supermarket's favourite deal is again on Vodafone - £24 a month for a refurbished iPhone 6 16GB, with unlimited calls and texts bundled with 1GB of data. A FitBit fitness-tracking watch is thrown in as part of the deal too.

If you need a bit more data, O2 has a 3GB-per-month allowance for £26.50, with a £50 upfront payment.

For an iPhone with more storage space, the site recommends another O2 deal. For £28 monthly and an upfront cost of £60, you can get an iPhone 6 with 64GB, unlimited calls, texts and 1GB data.

Best iPhone SE deals

The latest addition to the iPhone range is actually the smallest and cheapest. The iPhone SE makes use of the old iPhone 5 and 5S body style, so it's the device to go for if you don't like the bigger screens on the other handsets. It's powerful and gets a lot of up-to-date goodies, such as the 12-megapixel iSight camera from the iPhone 6S.

TechRadar has put together a list of iPhone SE deals, including a voucher code that will net you the 64GB version for the price of the 16GB phone on Vodafone. There's no upfront cost and £28 a month will pay for unlimited calls, texts and 3GB data.