The latest firmware version for the X4 ADSL Ethernet/USB Modem is Version 3.2.x which was posted on December 20, 2004.
This upgrade is ONLY for modems that have firmware version 2.4.x or later (please do not confuse this with the Showtime Firmware Version). DO NOT attempt to load this upgrade on a modem with a prior Firmware Version (Zoom Ver 2.2.x, 2.1.x, 1.1.x, or 03x).
CLICK HERE for step-by-step instructions to identify your current firmware version.
If the new firmware is appropriate for your X4, CLICK HERE to go to the download page.