Get 150GB data for £11.99† a month, for the first 6 months. Then £23.99† per month. Ends 2 October. Close Dialog †Monthly price of your Airtime Plan will increase each April from April 2025 by the Retail Price Index rate of inflation announced in February each year plus 3.9%. If RPI is negative, we'll only apply the 3.9%. See o2.co.uk/prices. £11.99 for the first 6 months and £23.99 thereafter on the 150GB tariff. Data allowances must be used within the months and cannot be carried over. Price applies until you change tariff, leave or upgrade. Ends 02 October 2024. 24 month minimum term sim only tariff purchased direct from O2. Unused mins, text and data allowances must be used within the month and cannot be carried over. Standard calls, texts and data in the UK and when roaming in our Europe Zone. Excludes premium-rate and service numbers. Special and out of bundle numbers chargeable. 5G available in selected areas. 5G device, sim and tariff required to access 5G.