Google TakeOut Data Backup and Delete Gmail Account Permanently!
On your old Android phone, go to “Settings” and then to “Privacy.” Select “Privacy” from the Settings menu. Remove the checkmark next to “Back Up My Data.” On the message that warns you that you’re about to delete your Google backup, click OK.
Open the Settings screen for your Android device, tap Backup & Reset, and then choose “Unlock for Android Device.” To delete the backup information from an Android device, unlock it. Open the application launcher and select the Settings icon. Scroll down to the Personal area and disable Back Up My Data and Automatic Restart by selecting their checkboxes.
On your dock, drag the “Backup and Sync” app into the Trash. Delete the “Application Support Google Drive” folder as well as its contents. If you don’t want to sync all of your Google Drive folders, open the Google Drive folder on your computer and note all of the folders that are set to sync.
To delete an account, go to Settings Accounts. This will give you a list of all the accounts that have been synced to your device across different social media platforms. Select the Google account you want to remove by tapping Remove Account. Confirm your decision by selecting Remove Account.
The simplest method is to reset your phone’s settings. Go to the Settings menu and select Sync. Make sure that Backup is unchecked. Sign in to Google Photos using your Google account at the Google Photos website. Select all of the images you want on your current device, then hit the bin icon in the top right corner.
