Money-saving website TopCashback is offering a mega discount on Three’s SIM only plans with new customers bagging 120GB of data
Shoppers can get a 12-month contract with Three Mobile for ‘free’ using a flash deal from TopCashback. The one-day-only offer gives new Three customers £120 cashback on a 12-month SIM plan for 120GB, meaning they can bag the year-long contract from the mobile provider essentially for free.
Customers must act quickly if they want to take advantage of the deal as it ends at 11:59pm on Monday, 10, March 2025. The 120GB 12-month SIM only contract works out at £10 a month, but with the £120 cashback secured, customers can claim that money back into their account after signing up here.
The plan includes free 5G, unlimited calls and texts to standard UK numbers, access to the Three+ rewards app, and use of data allowance for Personal Hotspot, so you can connect other devices when there’s no Wi-Fi.
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Three Mobile has received mixed reviews on Trust Pilot, with some people calling their customer service ‘brilliant’. One person said: “Their professionalism, patience, and deep knowledge made my experience seamless and stress-free. They went above and beyond to find me the best deal, ensuring I left not just satisfied but genuinely impressed.”
However, some feedback states that Three Mobile might not provide the best network connection for your area, so it is well worth checking. Someone wrote, ” I signed up last year. It’s okay at my house, but there’s a poor signal around the UK on my travels, so I changed networks.”
Here is how to get the Three deal:
- To claim the cashback offer, login or sign-up to TopCashback
- Search for Three SIM Contracts, or click through this link and click ‘Get Cashback Now’
- Shop and checkout as usual
- Cashback will then track and appear in your TopCashback account within 7 working days of your purchase
- The cashback will become payable (and available to withdraw and spend) after Three SIM Contracts has paid TopCashback the commission for your purchase
If you’re in the market for a new phone, Amazon offers next-day delivery, and you can get Apple’s iPhone 16e from £599 for the 128GB model. Samsung’s latest release the Galaxy S25 Ultra is available here.
