<aside> ℹ️ To upgrade/downgrade or edit the payment details of your Jamzone subscription you must identify where your purchased it from.
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If you subscribed via our website, you can manage your subscription details from your Subscription page.
To upgrade/downgrade, simply visit our Get Started page to pick another plan.
How to switch to a different subscription plan
Cancel, pause, or change a subscription on Google Play - Computer - Google Play Help
Manage Your Subscriptions with Amazon Subscriptions - Amazon Customer Service