Open the WIFIPLUG app and login to your WIFIPLUG account.
To rename a device, head to the 'Devices' page (navigation drawer > Devices) and select the device you would like to rename.
To rename a Group, head to the 'Groups' page (navigation drawer > Groups) and select the Group you would like to rename.
Select the edit button (top right corner).
Customise to your liking then press 'Submit'.