O2 Active Deals, Sales & Codes in December, 2025
With reliability and value at its heart, it’s easy to see why O2 is an award-winning mobile network and the go-to choice for over 25 million customers. Strong network coverage, flexible tariffs and excellent customer service mean they’ve long been recognised for their great service and with decades of experience behind them, you know you’re in safe hands. As if that’s not enough, their customer perks are second to none with priority benefits such as early access tickets to gigs and events, access to Disney+, Amazon Prime Video, Audible and so much more.
O2 offers great deals on phones, tablets, mobile broadband, SIM only plans and more, so you’re sure to find exactly what you’re looking for. If you’re thinking about switching, you could get an even better deal when you use one of our latest O2 voucher codes.