Open your UPI app
Go to Profile, Account, or Settings
Select your bank account or UPI ID section
Check if the app allows changing the existing UPI ID
If allowed, choose Edit, Change, or Create New UPI ID
Enter the new UPI ID or select from available options
Verify the change using OTP or UPI PIN
Save the updated UPI ID
If your app does not allow editing, create a new UPI ID
Set the new UPI ID as primary if needed
Contact your UPI app support if the option is unavailable