When you choose to pay by credit card we need to verify your cell phone number. While you are logged in to our client area simply please open a ticket
at : https://my.internetbrothers.co.kr/submitticket.php
And let us know your cell phone number e.g +44 7911 123456 We will send you a verification code and you are done. After your account is verified a payment button will appear in your invoice and you can pay by credit card. Do you have any difficulty please do not hesitate to contact us. Our response is fast.