You can do this on the ODEON website by logging into your account.
The following instructions below will help you upgrade/downgrade via the renewal function. Renewing your account on whichever package will mean that your account upgrades/downgrades on your next payment date.
-Sign into your account on the ODEON website
-Click the picture of yourself next to the words 'Sign Out'
-Click the 'Membership' section at the side of the screen
-Scroll down to the 'Important Dates' section and there should be a button to 'Renew Now'.
-Clicking this should allow you to choose which package you want to upgrade to from the next billing date.
Thanks again for contacting us, please let us know if we can be of further assistance.
Please note you must have passed your minimum membership term to do this.