The process varies by brand. Below are the most common methods.

Need the update file for a specific model? Reply with the exact model number (found on the sticker), and I can help locate the official source.

: 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

Updating the firmware of your HSPA USB modem is a relatively straightforward process. Here are the general steps:

Vendors like Sierra Wireless or Option use a more open approach.

Updates often resolve bugs that cause slow data speeds or frequent dropped connections.

The exact model number is usually printed on a sticker underneath the USB modem’s cap or casing. Source the Update: Firmware should