Is giffgaff any good?
Jan 21, 2019
Giffgaff mobile review. Giffgaff advertises itself as the ’mobile network run by you’. ... It’s what’s called a mobile virtual network operator, or MVNO. It runs on the O2 network, which means that, as a giffgaff customer, you’ll benefit from the coverage and 3G/4G speeds that O2 provides nationwide.
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