These are the absolute best SIM only deals in the Boxing Day sales

The Boxing Day sales mark a fantastic opportunity to grab a super cheap SIM only deal for mega low monthly low prices. Whether you're after something super cheap, or maybe one with unlimited data, we've got you covered today.

Whether you've been gifted a brand new smartphone under the Christmas tree or you've just been meaning to upgrade your SIM plan for a while, a number of providers have heavily discounted their SIMs in the Boxing Day sales.

This includes everything from EE, Three and Vodafone through to lesser-known providers like Smarty, Voxi or iD Mobile. Currently, the best value plans seem to be the ones with a lot of data to offer, but those on a budget have plenty of choices too.

Below we've picked out the top three plans available. Three is our absolute top pick, offering unlimited 5G data for an impressive £16 a month. Smarty follows a close second with a 30GB for £10 plan and there's a Vodafone cashback SIM which could be the best value for those who are more dedicated.

Boxing Day SIM only deals: the top three offers

What other Boxing Day SIM only deals are there?

While the three above are easily the best options on the market right now, there are plenty of other great options in the Boxing Day sales. Some providers have focused on keeping your bills low and for some, EE will be the most desirable option. Below we've listed the other market-leading offers.

• EE  | 24 month contract | 100GB of data | £20 a month
• iD Mobile | 1-month rolling | 12GB of data | £8 a month
• Lebara | 1-month rolling | 2GB of data | £2.50 for 3 months, then £5 a month
• Voxi | 1-month rolling contract | 12GB of data | £10 a month  | unlimited social media