To update your credit card for the OrCam Learn Subscription please sign in to your OrCam Learn account on our Web App at: https://w.learn.orcam.io/
Then click on "Billing" in the panel on the right. Then click on "Add payment method".
If you are signing in on your phone, please ensure you choose the option to “sign in with verification code” to ensure that you are not redirected to the OrCam Learn Mobile app.