Or using a built-in updater:

archive download-sw /overwrite /reload tftp://[SERVER_IP]/ap3g1-k9w7-tar.152-2.JB.tar Manual Extraction (Recovery):

Designed for 3500 series APs; can also be used on 1260 series with full support or 3500 series in "site survey" mode depending on the specific sub-variant. Cisco Community Download and Installation To download this file, you typically need an active Cisco Service Contract to access the official Cisco Software Download portal. Router Switch Blog Standard Installation Procedure (via TFTP): Prepare Server: TFTP server (like Tftpd32) and place the file in its root directory. Establish Connection:

To perform a "download upd" (download update) for this firmware, administrators typically use the command via the Command Line Interface (CLI) or the web management interface.