If you have got a new phone from a family member or you’ve bought another phone from somewhere else, you will need to do a SIM swap if your new phone requires a different sized SIM card from your current one, if you need a new SIM please contact us to request one.
If you’re moving to/from an eSIM or between eSIMs, check out our eSIM Help for all of the information you need.
If your current SIM still works here’s how to SIM swap
From your current SIM card, text SWAP to 23424. You’ll be sent some easy instructions to follow, which you can also check out by viewing our FAQs below.
If your current SIM doesn’t work or it’s been lost you’ll need to call us on 0345 301 4455 to complete the SIM swap.