giffgaff
![Giffgaff SIM card](/Images/godic/202501/15/Free-giffgaff-sim0958.png")
Giffgaff (stylized "giffgaff") is a mobile telephone network running as a Mobile Virtual Network Operator (MVNO) using the United Kingdom O2 network. Owned by O2's owners Telefónica, Giffgaff was launched on 25 November 2009.
giffgaff
英语百科
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