How to Set Up or Change Your Cardit Card for Auto Payment
You can register or update your credit card for auto payment on our self-serve website or mobile app. This option is available for both Monthly and Prepaid plans.
Setting up auto-extension is strongly recommended to prevent service interruption or account termination when your plan expires.
You can register a **credit card **for auto payment.
If you would like to register a bank account for auto payment, please refer to the guide below:
How to register your bank account as auto payment
Step-By-Step Guide to Register your Credit Card
[PhoneBox App]
If you haven't downloaded the PhoneBox app yet, install it here:

[Self-serve online]
If you don’t have an account, please create one first. You can easily sign up using your email address.
- On the Home page, tap [Auto Payment]

- Register your card
- If no card is registered: tap “Add payment method.”

- If a card is already registered: tap “Change card.”

- Enter your card information and select “Add Card.”

Do you still need help?
Are you looking for different information about PhoneBox? You can visit the support section and read the frequently asked questions (FAQs). If you haven’t found the information you need, please contact our customer care via services@gophonebox.com or toll-free: 1-855-886-0505.
Updated on: 06/03/2026
Thank you!