@Anonymous
Welcome to the Autodesk User's Community..
Your image doesnt really show you have a free version. But perhaps @pendean response here https://forums.autodesk.com/t5/autocad-mobile-forum/upgrade-to-premium-on-autocad-mobile-not-working/m-p/7519966#M2801 help you out
Mark Lancaster
& Autodesk Services MarketPlace Provider
Autodesk Inventor Certified Professional & not an Autodesk Employee
Likes is much appreciated if the information I have shared is helpful to you and/or others
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