Hi. I was given a STAC number from my old provider (Three mobile) . They
said I have to use it with another provider (I am with O2 now) in order
to be cancelled. Can I do this online, or it is better to go into a O2
shop, and ask them to help?
Thank you MI5, very kind of you!I was in town centre Sunday, at the O2
shop. I ask one of the assistants about my problem; the answer was: they
can't do anything because it is too late: I supposed to give them this
STAC number in the same day when I ...
