With the pace of smartphone evolution moving so fast, there's always something waiting in the wings. No sooner have you spied the latest handset, that there's anticipation for the next big thing.

Here we look at those phones that haven't yet launched, the upcoming phones for 2018 and 2019. We'll be updating this list on a regular basis, with those device rumours we think are credible and exciting.

As for already-launched handsets, we've rounded up the best smartphones for 2018 elsewhere - those we consider to be the best across all platforms. If your budget is a little smaller, there is also our budget smartphones for under £200 feature - and there's a mid-range roundup up to £400 as well

The upcoming generation of phones

Before we dive into the detail, here are some of the anticipated upcoming handsets for 2018 and 2019:

  • Nokia 9
  • LG folding phone
  • Samsung Galaxy F or X
  • Samsung Galaxy S10
  • Samsung Galaxy Note 10
  • OnePlus 7
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Nokia 9

There's been a lot of talk about a device called Nokia 9 - at one time the Nokia 8 Sirocco was talked about as the Nokia 9 in rumours. HMD Global set 4 October as a date for a new device launch, but it was the Nokia 7.1 Plus that appeared instead so we're still waiting for the 9.

The Nokia 9 is said to have five cameras on the back and a notched display on the front, along it the latest Qualcomm hardware at its core, but it remains an elusive beast. Will this phone ever launch? We guess we'll be waiting some time to find out.

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LG folding phone

LG isn't selling a lot of phones, but the company is always will to look at new technologies, not only because it has a great display business to showcase. That might be the reason that a folding LG smartphone is rumoured for launch at CES 2019. Not much has been said about these plans, but with LG showing a lot of flexible OLED displays in the past, we're not surprised. Will they call it the LG Flex though?

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Samsung Galaxy F

Or is it the Galaxy X? Talk about Samsung's folding phone has circulated for a couple of years, but with an official unveil of a prototype, there's now a lot more buzz about the launch of this device. We don't know what it will be called, but there's rumours that the phone with the Infinity Flex display might be launched at MWC 2019. There's also rumours that it will cost about $2000/£1400. Wow.

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Samsung Galaxy S10 and S10+

Samsung's changes in 2018 haven't been huge, but there's something big coming in 2019 - the Samsung Galaxy S10 and S10+. Rumoured to be launching at Mobile World Congress in February/March 2018.

There's been a lot of talk about in-display fingerprint scanners, while the latest set of leaks suggest that Samsung might be moving to five cameras - that's three on the back and two on the front. Elsewhere there's talk of embedded cameras under the display for a completely seamless front.

There's also talk that the Samsung Galaxy S10 will be one of a new generation of 5G capable handsets - or there will be a 5G variant at least. We're sure there will be a lot of leaks to come on the Samsung Galaxy S10 - but things are already gathering pace.

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Samsung Galaxy Note 10

The Note 9 has only just launched, but there's already some talk about the Galaxy Note 10. There's already talk that the 3.5mm headphone socket will be no more and that the screen will increase in size again, so it's not so close to the Galaxy S10+. There's also been the suggestion that Samsung will continue to avoid the notch - perhaps with in-display cameras.

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OnePlus 7

That's right, there's already talk about the new OnePlus handset. Not much has been said, aside from the fact that OnePlus said it would be launching a 5G handset in 2019, and that some sources are saying that it's not the OnePlus 7. We'll hazard a guess that it will be the OnePlus 7T then.