You’ll need to update your phone number on your account before getting rid of your old SIM.
Log in to your Wise account. If you've opted for Biometric authentication you can do it with your new SIM. If you get text messages to authenticate, you need to make sure you still have your old SIM in your phone.
Go to Your details. On the website, you can find this by clicking on your name on the top right corner. On the app, you need to click on the circle on the top left corner.
Click on Edit
Put in your new phone number
We'll send you an email with a link to change your number — click on the link
Upload a Selfie with ID
Enter your new phone number
Put your new SIM in your phone. We’ll send a code to that number
Follow the steps to register your new number for 2-step verification