This year Black Friday falls on November 24 - the day after Thanksgiving in America - with sales carrying through to Cyber Monday on November 27. The big sales event is now just a few weeks away.
It can be a great time to pick up the latest smartphones with extra data deals, pay monthly plans and the best mobile phone accessories. Here's our guide on everything you need to know about bagging yourself the latest smartphones for a fraction of their normal price.
How to spot a cheap mobile phone deal
It can be a challenge to find the best mobile phone deals - although the Telegraph has its own handy buying guide for the latest offers.
The challenge can be working out just how much a phone deal will cost in total, considering the up-front fee and monthly cost. It can be helpful to add these two prices together when comparing rates.
It is also worth shopping around and comparing contracts - or asking your provider to try and match a better deal you have found online.
Will I be able to get a cheap iPhone 8?
The iPhone 8 should be in stock be the time Black Friday and Cyber Monday come around so there is a chance some of the major mobile phone networks will be offering deals and discounts on their rates for the new iPhone.
The iPhone X will be out on November 3, although expect demand to be incredibly high for this premium device. Plus, since it's such a new product (and Apple's most tantalising offering from 2017) it's unlikely we'll see any discounts on it.
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Samsung Galaxy S8
The Samsung Galaxy S8 features a screen that covers almost the entire front of the phone, facial recognition and one of the best smartphone cameras out in 2017. It wasn't out in time for Black Friday last year, so expect cut-price deals this time around.
RRP: £689 from Samsung
iPhone 7 and 7 Plus
With the launch of the new iPhone handsets you can expect the current range to get a price cut for network deals. The iPhone 7 has Touch ID and a lightning fast processor and will be upgraded with iOS 11.
Last year there were deals and discounts bundling the Google Pixel with Google's Daydream View virtual reality headset, so if you want to try mobile virtual reality this may be the phone to buy.
RRP: £599 from Currys
There are plenty of good bargain deals to be had on smartphones all year round, but Black Friday is a great time to find a budget smartphone. Phones from Motorola, WileyFox and Sony's Xperia series were all discounted last year, so it would be great to find more deals on these handsets.
Loads of networks and retailers will be offering budget mobile phone deals on Black Friday, and you can already pre-register your interest on a handful of networks ahead of Black Friday.
Third party deals
A number of online markets and re-sellers offer some huge deals all-year around and will cut prices further on Black Friday. Markets like e2save.com and Mobiles.co.uk have their own Black Friday registration pages and are known for undercutting the competition.
The best mobile phone deals from last year
There were some major discounts to be had on mobile phones in 2016. Argos held a 13-day sale for Black Friday, with price cuts to mobiles.
Carphone Warehouse ran a 10 day "Black Tag" event, five days before the sales event for the weekend. Deals at Carphone Warehouse included £200 off the iPhone 6s, £200 off the Samsung Galaxy S7 and £100 off the Sony Xperia XA.
Meanwhile GiffGaff also slashed prices on handsets including the Samsung Galaxy S7 Edge.
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