Swapping your SIM card
Swapping your number onto a new SIM card
SIM swap is when you swap your current number onto a new SIM.
You might need a SIM swap for the following reasons:
- You’ve got a new phone and your current SIM doesn’t fit in the new phone
- You’ve moved on to 5G
- You’ve lost your phone
- Your current SIM is faulty or damaged
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 to complete the SIM swap.
Do you need to change your SIM if you’ve upgraded to a new phone?
If your new phone takes a different sized SIM or you have upgraded to 5G, you’ll need to keep the new SIM in your new device and do your SIM swap.
If your new phone takes the same SIM card size as your current SIM card, you don’t need to do a SIM swap. Just take your current SIM card and put it in your new phone.
You may need to SIM swap if you’ve changed your phone or SIM card
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’ve upgraded to a 5G phone, you’ll need to be on a 5G tariff with a 5G SIM card. Please contact us to request your 5G SIM card if you don’t already have one.
You’ll need a new SIM if your old SIM was lost or damaged and you don’t have your old SIM card
If your phone or SIM has been lost or stolen, please call us straight away on 0345 301 4455 and we will put a block on your SIM card and phone. We’ll also arrange for a new SIM to be sent out to you free of charge, and we’ll send this first class for delivery on the next working day. If you don’t have access to another phone, you can contact us online or via Facebook or Twitter.
If you’re a business customer, please contact us.