giffgaff
giffgaff SIM Only
Giffgaff is the SIM-only mobile network run by and for its members. Operating on O2's network and owned by O2's parent company Telefónica, giffgaff offers 4G coverage to at least 90% of the UK population. Online-only, they do away with high street shops and call centres to offer low cost SIM-only plans for phones and tablets starting from £5 per month.
Auto recurring goodybags (if you want them)
giffgaff monthly goodybags are designed to be a flexible mix of data, minutes and texts. You can set your goodybag to renew automatically every month, renew it when you like or even swap and change it for a new one each month.
Easy Peasy SIM sizes
gg SIM cards come in a trio-SIM that incorporates all 3 sizes of SIM (nano, micro-SIM, and standard). Just pop out the SIM that fits your phone.
You're spelling it wrong
nope, giffgaff isn’t capitalised. We are right, everyone else is wrong.