You can back up your Bookipi data by following these steps:
Open the Bookipi app on your device.
Click on the "Settings" icon in the bottom right corner of the screen.
Scroll down and click on "Backup & Restore."
Click on "Backup" to start the backup process. This will create a backup file of all your Bookipi data.
You can choose to store the backup file on your device or in a cloud storage service like Google Drive or Dropbox.
To restore your data from a backup, go back to "Backup & Restore" and click on "Restore."
Select the backup file you want to restore from and follow the prompts.
You should regularly backup your Bookipi data in order to protect your information in the event of a device failure or other situation that may result in data loss.