Air-ap2800-k9-me-8-5-182-0.tar [portable] Jun 2026

Release 8.5.182.0 is a maintenance and security release in the 8.5 train. Based on Cisco’s release notes for similar ME versions, key improvements include:

: Indicates the inclusion of strong "payload" encryption (standard for global distribution).

The file is a stable, controller-less firmware solution for Cisco Aironet 2800 units. It’s ideal for environments where you need enterprise performance but want to keep the infrastructure footprint small. Air-ap2800-k9-me-8-5-182-0.tar

: Cisco has documented a Field Notice (FN74035) stating that certain 802.11ac Wave 2 APs, including the 2800 series running specific AireOS releases, may fail to properly detect radar on 5GHz DFS channels. This could cause the AP to operate in violation of regulatory requirements. While version 8.5.182.0 may be affected, Cisco has released radar detection fixes in later maintenance releases of the 8.5 train. It is highly recommended to check the release notes for any radar-related caveats before deploying in environments with DFS channels.

The 8.5 release train is often considered a "Long Deployment" (LD) release. This makes it a go-to for stability. Release 8

Log into the AP using your admin credentials. Execute the type-conversion command from the privileged exec prompt:

train, which includes more modern security features like . It’s ideal for environments where you need enterprise

Upgrading your Cisco AP to Mobility Express 8.5.182.0 is a critical process. The following steps outline a safe and effective upgrade: