Cisco Cisco Aironet 350 Wireless LAN Client Adapter

To find the firmware version that your client adapter is currently using on a computer running Windows 
98, 98 SE, NT, 2000, Me, or XP, open ACU and click the Status icon. The firmware version is displayed 
in the Firmware Version field on the Status screen.

Follow the steps below to upgrade your client adapter’s firmware to version 5.02.20 on a Windows 98, 
98 SE, NT, 2000, Me, or XP computer.

Use the computer’s web browser to access the following URL:

Select Option #2: Aironet Wireless Software Display Tables.

You can download software from the Software Selector tool instead of the display tables. To 
do so, select Option #1: Aironet Wireless Software Selector, follow the instructions on the 
screen, and go to 

Select Cisco Aironet Wireless LAN Client Adapters.

Under Individual Files, find the client adapter firmware.

Click the link that corresponds to your client adapter’s model number (such as 340 or 350 series).

Select the latest firmware file for your specific client adapter type (such as CB or MPI).

The firmware for PC, LM, and PCI cards is labeled PCMCIA-LMC-PCI, the firmware for mini 
PCI cards is labeled mini PCI or MPI, and the firmware for PC-Cardbus cards is labeled CB.

Read and accept the terms and conditions of the Software License Agreement.

Select the firmware file again to download it.

Save the file to a floppy disk or to your computer’s hard drive.

Find the file using Windows Explorer, double-click it, and extract the image file to a folder.

To extract the file, click Browse on the WinZip Self-Extractor screen, select the folder where 
you want the file to placed, click OK and Unzip. After the file has been extracted, click OK 
to close the screen.

Make sure the client adapter is installed in your computer and is operational.

Open ACU and click the Load Firmware icon. The Load New Firmware screen appears (see