A replacement SIM lets you move your number to a new SIM if your old SIM is lost, stolen or damaged, or if you need a different size SIM for your new device.
A replacement SIM can take up to 24 hours to activate in busy periods, however it's usually much quicker.
Find out how to request a replacement SIM
You don't need a replacement SIM if you want to keep your number when you join us from another network, or switch from Vodafone Pay as you go to Pay monthly. Find out how to move your number