I am due to switch today from 02 to vodafone, when do i need to put the new sim in?

[sambevans8]

Please help.

[Cynric]

@sambevans8 Self-help guides and contact details are here https://www.vodafone.co.uk/help-and-information 

[AnnS]

See here https://www.vodafone.co.uk/support/articles/what-happens-on-the-day-my-number-moves-to-vodafone----1...