To view or change network security settings (e.g., Wi-Fi password, number of connected devices) for your Jetpack, see this info.
Access the Verizon Wireless MiFi Personal Hotspot page.
Launch a web browser then navigate to 192.168.1.1.
Refer to Connecting to a Wi-Fi network for additional assistance. Select the appropriate option: Macintosh OS X Windows 7 Windows Vista Windows XP
Enter the password then click Login.
The default password is located on a sticker on the back of the device.
Select Wi-Fi Settings.
From the Wi-FI Settings tabs, click Basic.
Click the MAX Station Number drop down menu.
Select the desired number of connected devices (1-10 connections).
From the Security tab, select the appropriate security settings then click Apply.
To view/change security settings (e.g., password) for your Verizon Jetpack - 890L, see this info.