Samsung Galaxy light User Manual page 199

To manage connected devices:
This feature allows you to provide MAC filtering on your
device. This is similar to a "VIP list" where only device on the
list are allowed access.
1. From a Home screen, tap
Mobile HotSpot.
2. Tap Mobile HotSpot
3. Tap (Add new device) to add devices to the
allowed for connection list.
4. Enter the Device name and Mac address.
5. Tap OK to save the new device.
Apps
Allowed devices.
Connections 192