Manage Mobile / Wi-Fi Hotspot Settings - BlackBerry® Z10
From the home screen, select Settings.
If not available, swipe down from the top of the display (where the time is located).
Select Network Connections.
Select Mobile Hotspot.
Select Configure (located at the bottom).
Configure the following then select Save (located in the upper-right):
To restore default Manage Mobile / Wi-Fi Hotspot Settings, select Restore Defaults (located at the bottom).
This is the Network SSID.
To view the password, select Show password (eye icon located on the right).
From the 'Inactivity Timer' section, adjust the timer level.
Select and hold the indicator then drag to the desired position.
If there is no traffic to or from the mobile network, your Mobile Hotspot session ends after this time. If your device is plugged into a power source, this timer will have no effect. Some networks may override your inactivity timer settings.
Select the 'Allow connected devices to exchange data with each other' On/Off switch to enable (On) or disable (Off).
Check out these FAQs for additional support on Mobile Hotspot.