You can update your payment method on the Customer Zone

Step 1: Go to the Customer Zone

Step 2: Enter your cell phone number

Step 3: Enter OTP

Step 4: Click on Account / Payments and Billing

Step 5: Select Edit Payment Info

Step 6: Choose New Payment Method

Step 7: Fill in the required information, and then proceed

7.1 Credit Card
7.2 Debit Order