Samsung SGH-T989ZKBTMB - Manual (Page 235)

To change the Portable HotSpot password:
The two most common methods for securing your connection
to the HotSpot are to a security method (WPA2 PSK) and to
Hide your phone’s SSID name.
1. From the Home screen, tap (Apps) ➔
(Mobile HotSpot).
– or –
From the main Settings page, tap More settings ➔
Tethering and Mobile HotSpot.
2. Tap the Mobile HotSpot field and then select 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.
Important! 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.
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