Open Google Drive page in desktop web browser: https://drive.google.com/
Select the data.crypt file:
Click on 3 vertical dots | Manage revisions...
Download older revision of the data.crypt file to your PC/Mac:
Open aWallet Cloud in your Android phone or tablet and press the synchronize button on the home screen. aWallet Cloud will download the restored revision.
There is also a video showing all steps done in Google Drive:
FAQ Cloud >