Last Updated: Sep 25, 2015
Although there are a variety of error messages that you may encounter with your 598U by Sierra Wireless device, most of them can be resolved by following the steps below:
There is not sufficient signal strength to connect.
If low signal strength is displayed in the Sprint SmartView window, move to a location with better coverage. For a map of coverage in your area, using an alternate Internet connection browse the Sprint Power Vision Coverage search tool, enter your zip code, and click Go.
Sprint SmartView has encountered a problem.
The Sprint SmartView software and/or the Dial-Up Networking connection associated with it may have been corrupted. The easiest way to rule this out as a potential problem is to uninstall the software using the Windows Add/Remove Programs feature and reinsert the modem, to reinstall the software and drivers.
There is a provisioning problem with your Sprint account.
To troubleshoot provisioning problems, contact us for assistance.
Error 631-The port was disconnected by the user. This can be caused by: The power or cable to the modem being removed during the connection process; User or application interrupting the connection process.
Solution: Check the taskbar for applications such as Skype and other syncing software and exit them, verify that the dialer in Internet Options is set to "Never dial a connection" for all the connections listed.
If these steps do not resolve the issue, then please contact us for assistance.