No. Neither upgraded legacy wallets nor wallets created on our new platform can be downgraded.
If you have a feature request or suggestion on how to improve our wallet, we welcome you to share your feedback with us. You can do this by submitting a feedback request. Make sure you specify "Feedback" in the subject line and select "Feedback / Feature Request" from the Wallet Platform dropdown menu. Please provide a detailed account of what you'd like to see changed and why.
Thanks in advance for helping us improve our wallet!