What do I do when I can’t connect a device to the modem?
If you are experiencing problems connecting to the modem, try the following suggestions:
• Disconnect your device from the modem.
• Turn off your modem, wait 10 seconds, and turn on your modem.
• Restart your device.
• Wait for the modem to connect to the network before you connect the Ethernet cable to your device.
• Turn off or temporarily disable any security programs or firewalls on your device.
• If possible, try using another device to connect to your modem. If you can, then the problem is with the
device that cannot connect, not the modem.
What do I do when I can’t access the Internet?
If you are connected to the modem but cannot connect to the Internet, try the following suggestions:
• Make sure that network coverage is available in your area.
• Make sure that your micro SIM card is active and enabled with data services.
• Confirm that your account is activated and that no other Internet connections are active.
• Switch your modem off and on and restart your computer.
• Verify that an access profile name (APN) profile exists for the service provider. For more information,
see View APN Profiles or Add a Custom APN Profile on page 35.
What do I do when the No Signal icon displays?
If the No Signal icon displays on the modem’s web page, make sure that you are in your network provider’s
coverage area.
Why does the Signal Strength LED show only a few bars?
Reception on your modem is poor.Try moving it to a location with a clear view of the sky (for example, near
a window).
If the reception does not improve, consider purchasing an external antenna (see Optional External Antenna
on page 14).
Why is the download or upload speed slow?
Data transfer speed depends on signal strength and interfering radio sources such as electrical generators
or WiFi devices.
Check your signal strength and network type (for example, LTE 4G is generally faster than 3G).
Frequently Asked Questions
79
LTE Modem Model LB2120
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