You can remove a device from a network if you have admin rights.
1. Select the MENU ICON located in the top left hand corner.
2. Select MANAGE NETWORK to open the network settings
3. Select the (-) icon next to devices.
4. Choose the device you would like to remove.
The device should reset after a minute and the indicator should turn blue. If this doesn't happen, manually reset the device by pressing the reset button until the indicator changes colour.