The procedure for deleting a Google account may vary depending on the Android version.
The following example describes the procedure using the IS655.2 with Android 9.

Unlock the device.
In the main menu, select the <Settings> menu item.
Select the <Accounts> menu item.
Select the Google account you want to delete.
Tap <Remove account> and confirm the operation.


For more information on deleting a Google account, visit the Google Android website.