We are currently unable to support "upgrading" VIP Passes through Google Play. To change your membership pay schedule:
  1. Cancel your current VIP Pass in your account settings in the Google Play Store app.
  2. You will be prompted to return and select the schedule option of your choosing.
  3. Please note that your new VIP Passes' schedule will begin immediately upon purchase. If you have any remaining time in your current VIP Pass, it will be replaced by the new schedule and the scheduled rewards will not overlap.