Account upgrade doesn't accept my debit card

please send me helpline contect number

your website not accepted my all debit card 

Unfortunately we do not offer Phone support yet, can you tell us what it says after you try paying is there an error message?

If you have a PAYPAL account ,you can try linking your credit/debit card there then select Paypal as the Payment Method.

Here is the guide on how to link your credit/debit card on paypal https://www.paypal.com/us/selfhelp/article/how-do-i-link-a-debit-or-credit-card-to-my-paypal-account-faq826

Let us know how it goes.