When you activate Roku Account, you link a payment method to your account. The payment method is used to rent or buy subscriptions of the popular TV channels, buy or rent movies, TV shows and to buy the other offers from the Roku channel store.
Things to remember:
You can make the payments for all channels using your Roku account. In some cases, you may require a direct billing relationship with your channel provider.
Read More:-https://www.minds.com/rokucustomer11/blog/how-to-update-the-payment-method-for-roku-account-981138609067139072
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