Samsung Galaxy S III User Manual page 142

Allowed Devices
Restrict what devices can connect to your Mobile Hotspot
with the Allowed devices list. After you add devices to the
list, they can connect to your device using your device's Wi-Fi
hotspot name (SSID) and password.
Note: Using the phone as a mobile hotspot consumes battery
power and uses data service. While Mobile Hotspot is
active, the phone's applications will use your Wireless
Provider's data service. Roaming while using the phone
as a mobile hotspot will incur extra data charges.
1. From the More networks menu, touch Tethering and
Mobile hotspot Mobile Hotspot. The Mobile Hotspot
screen displays.
2. Touch Allowed devices
device's Device name and MAC address.
3. Touch OK to add the device to the Allowed devices list.
Tip: For information about connecting to your Mobile Hotspot,
see "Wi-Fi Hotspot" on page 124.
136
, then enter the other
Tethering
Use Tethering to share the phone's Internet connection with a
computer that connects to your device using a USB cable, or
by Bluetooth.
For more information about connecting computers to the
phone using Tethering, see "Tethering" on page 125.