Some areas do not support 4G connections, the Tri-Fi may need to have "3G Preferred" selected to allow a data connection.
(once connected to Tri-Fi wifi device (ex. laptop, tablet, iPad)
Open a browser and go to http://192.168.0.1 [this page will not load if TOAST.net Accelerator is running]
Near the top of screen enter password to Admin Login field then click OK.
Once logged in, click on the "Connected" item under the "Your Sierra Wireless 4G LTE Tri-Fi Hotspot Status" heading.
Select "3G Preferred" and check 'Connect Automatically" and click "Save".