The link was dead. But Elias noticed a comment below it. “File saved to the Wayback Machine. Use the October 2012 snapshot.”
: If the firmware is current but you still can't connect, try running the Internet Connections troubleshooter in your Windows Update & Security settings. How to Check Modem Firmware - CenturyLink
Close vulnerabilities that could lead to data breaches or unauthorized access. Improve Performance:
He checked the logs. "HSPA USB Modem Firmware Update Required."
: Close all running programs and ensure your computer will not shut down or lose power during the process.
Manufacturers release patches to fix common "device not found" errors or random disconnections.