If you want to change your subscription plan, go to game options, choose Subscription, and tap on the “manage subscription” on the bottom of the banner. Then tap on the “cancel” option in Google Play and choose a new game plan. The new subscription will start at the end of the previous subscription plan.
To change or update the payment method used:
- Open the Google Play app.
- At the top right, tap the profile icon.
- Tap Payments & subscriptions and then Subscriptions.
- Select the subscription you want to update.
- Tap Manage and then Update.
- Follow the instructions to update your payment method.
If your payment method is declined or has insufficient funds, your subscription may be canceled. Add a backup payment method or set up your subscription again.