Data

[Hol91]

Can I transfer some data from 1 of my accounts to the other

[pgn]

Not possible with O2, @Hol91 

Guide: Help make your data allowance last  

Extra data options:   https://www.o2.co.uk/shop/all-tariffs/bolt-ons

If you are on O2 Refresh, bought directly from O2, then this may help:  https://www.o2.co.uk/refresh/flexible-tariffs