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giffgaff Child SIM

giffgaff is really O2

giffgaff is a large MVNO with revenues in the hundreds of millions per year. It is a subsidiary of O2 UK – legally incorporated as Telefónica UK Limited. What network does giffgaff use? giffgaff runs on its parent company, O2’s network. It is a lower… Read More »giffgaff Child SIM

SIM PIN Locked

SIM is Locked

Every mobile phone has the ability to “lock” a SIM card so that it can’t be used in any phone without first unlocking it. This is a different restriction to the phone screen unlock ( the one that you enter, or unlock with a fingerprint,… Read More »SIM PIN Locked

Tesco Child SIM Card

Tesco Does Mobiles

A SIM card from Tesco will be an O2 SIM card. Tesco is an MVNO of O2’s and allows them to re-sell O2’s facilities. As you would expect, it’s a cheaper option that going to O2 direct and, as a while Tesco’s service and Feedback… Read More »Tesco Child SIM Card

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