The O2 £15 Preloaded SIM Card offers 25GB of data along with unlimited calls and texts, valid until October 2025. This SIM card is suitable for use in the United Kingdom and is brand new and sealed in an O2 retail pack. It includes features such as anonymous activation and a lifetime manufacturer warranty. With connectivity options including 5G, 4G, and 2G, this SIM card is a reliable choice for staying connected on the O2 network.
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