You can change the phone number linked to your AstroPay account directly from the app. Follow these steps.
⚠️ Important: This change can only be made from your trusted device. If you are not on your trusted device, switch to it first.
How to change your phone number
Open the AstroPay app on your trusted device.
Go to My Account > Personal Details.
Enter your new phone number.
Confirm the change with the OTP code sent to your new number.
Once confirmed, your account is linked to the new phone number.