This feature allows removing the multiple a devices at the same time.
Go to the left sidebar and select Devices >Device Details > Click on the Trash icon > Click on download format > As per the instruction fill the datasheet > Choose an updated file to upload > Click on Delete.
Instructions
Device Delete Information
Device Delete Information tab provides the entire history of the import attempts with the counts of each status and the date of the attempt made. By clicking the download document, you can get a copy of the particular attempt information with the given details. Additionally, it will give status and error message.