Air-ap2800-k9-me-8-3-133-0.tar Download -

Do not extract the .tar file. Install it directly:

Via CLI (SSH):

ap-type mobility-express tftp://<tftp-server-ip>/AIR-AP2800-K9-ME-8-3-133-0.tar

Via Console (if currently a lightweight AP):

Do not proceed unless you have the following: Air-ap2800-k9-me-8-3-133-0.tar Download

If you converted a lightweight AP to Mobility Express but it keeps trying to join a WLC:
→ Reset to factory default:
Press and hold Mode button (on the AP) for 20-30 seconds until LED turns red, then release. Do not extract the

Alternative search: Use the Download Search tool and paste the exact filename: air-ap2800-k9-me-8-3-133-0.tar. Via Console (if currently a lightweight AP):

Air-ap2800-k9-me-8-3-133-0.tar likely refers to a software image package for Cisco wireless controller/platforms (Air or AP controllers) with a filename indicating platform (AP2800), feature/license (k9), and IOS-XE/ME train version (8.3.133.0). A wide-ranging write-up covers probable contents, purpose, installation considerations, upgrade procedure, compatibility, backup and rollback, troubleshooting, security and licensing, and best practices.

ap# show version

Look for:
Cisco AP Software Version: 8.3.133.0

md5sum air-ap2800-k9-me-8-3-133-0.tar