Ensure the USB modem (with the SIM card) is connected.
Launch VZAccess Manager. From the Windows desktop, navigate: Start > All Programs (Programs) > VZAccess Manager. With Windows 10, click Start > Apps icon (located in the top-left corner) > All apps (located in the bottom-left corner) > VZAccess Manager.
If presented, enter the PIN then click OK. The default PIN is 1111.
From the top menu, click Options > Preferences. From the Minimum view, navigate: Menu > Options > Preferences.
Click TXT Messaging.
Ensure the preferred options are enabled. Selected when a check mark is present.
Incoming message options:
Open SMS window on arrival of new messages
Text messaging window will appear when a new message is received.
Play sound on arrival of new messages
A desired sound will be played when a new message is received.
Outgoing message options:
Try message delivery for:
Outgoing messages will attempt delivery for 1 hour, 6 hours, 1 day, 3 days or 5 days.
Specify a desired callback number.
Warn before deletion of messages
A warning will appear before messages are deleted.
Confirm deletion of messages
A confirmation message will appear when messages are deleted.
Confirm sent messages
A confirmation message will appear when messages are sent.