Samsung SGH-T999ZAATMB - Manual (Page 24)

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NOTE: By default, during the initial setup process, the connection is not
secure. It is recommended that you maintain a secure connection by
using a password for communication.
NOTE: Using your 4G service and Smartphone Mobile HotSpot drains your
phone’s battery at a much faster rate than when using any other
feature combination. The best way to keep using the phone as a
HotSpot is to have it connected to a power supply.
To change the Mobile HotSpot password:
1. From the Home screen, tap
( Apps) g ( Mobile
HotSpot).
2. Tap Mobile HotSpot g Configure.
3. Tap the Security field and select WPA2 PSK.
4. With security enabled, delete the previous password and
enter a new one into the Password field.
NOTE: The more complex the password, the harder it will be for intruders
to break your security. It is recommended that you not use names,
birthdays, or other personal information.
5. Tap Save to store the new settings.