How did you subscribe to MHz Choice?
Directly through the mhzchoice.com website? To update your credit card:
1) Log in to your mhzchoice.com account through a web browser
2) In the upper right corner select the "ACCOUNT" then select "SETTINGS"
3) Select BILLING
4) Select REMOVE CARD or ADD CARD
5) Enter the new credit card information and click "ADD CARD" or "UPDATE CARD" to save your changes.
Directly through the MHz Choice Android App?
Directly through the MHz Choice iOS or Apple TV App?
Directly through the MHz Choice Roku App?
Through your Amazon Prime account?
Through your Xfinity X1 (Comcast) account?
Please contact Comcast customer support for assistance with your Xfinity X1 account.
Through The Roku Channel Premium Subscriptions portal?