The UK’s best mobile deals with Unlimited+
Get the UK's best value SIM only deal when adding up to three extra SIMs for just £10 a month each.
Enjoy unlimited data on the UK’s best network, flexible monthly contracts with 5G and free EU roaming included.

The legal bit
The UK’s best deal on Unlimited SIMs and best unlimited data deal in the UK: Based on price, speed and reliability. Price: UK's cheapest unlimited multi-SIM package in the UK on a 30 day rolling contract (excluding introductory or time limited offers). Prices correct as of 12.02.2025.
£168 a year savings: Switching to a UW mobile plan after your initial contract with your current supplier has ended could save you £168 a year. This calculation is based on the average 12-month out-of-contract cost calculated in January 2025 of Vodafone, EE, Voxi, Giffgaff and O2 (£444), compared to the average cost of UW’s Unlimited+ tariff at £276 (£23 a month). Correct as of 31 January 2025.
Unlimited+ SIM: Unlimited data, calls and texts every month. Rolling 30 day contract and roaming: subject to a personal usage cap of 500GB. Inclusive EU Roaming, subject to a 14GB roaming cap. See our Residential Fair Usage Policy. Terms apply.
£20 energy discount applies to customers switching energy plus 1 other eligible Bundle Services. See our Residential Products and Services terms for details and eligibility. Higher discounts are applied to customers taking energy plus two other services. Variable energy tariff only. Paying by Direct Debit.
Switching to a UW mobile plan after your initial contract with your current supplier has ended could save you £168 a year. This calculation is based on the average 12-month out-of-contract cost calculated in January 2025 of Vodafone, EE, Voxi, Giffgaff and O2 (£444), compared to the average cost of UW’s Unlimited+ tariff at £276 (£23 a month). Correct as of 31 January 2025.