Go to the site-level Projects area of your site and select the List tab. Click the options button (three dots) in the top right and select Trash Can from the dropdown menu. For each deleted project in the trash can, you will have an option on the right to Restore.
Read moreHow can I recover a deleted firebase project?
There is a period of roughly 30 days, during which deleted projects can be recovered.
Read moreHow can I recover my firebase database?
You get mail regarding your project shutdown, in which they provide a restore link. so simply open that link and select the project you want to restore and click restore .
Read moreHow do I recover deleted files on firestore?
Recovery From Corrupt or Lost Data To restore your database, simply download 1 a backup file to your local machine from the backups tab . You can then click the “Import JSON” button 2 under the data tab to restore your Database to a previously backed-up state.
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