Procedure for flash upgrading a modem: Download the correct firmware and Winzip from www.euro-tech.co.uk Using Winzip, extract the contents of the archive to a temporary folder on your hard disk, (the desktop is ideal for this) Run the V90Wiz file to backup the original firmware and program the update into the modem's memory CAN I UPGRADE A 33.6 MODEM TO v.90? NO - v.90 requires a 56k CHIP and 33.6 modems only have a 33.6CHIP!