C800universalk9mzspa1583m9bin Work [updated]

: Ensure you have at least 30MB of free space in flash: before attempting the upgrade.

: Detailed fixes and open caveats for the 15.8(3)M train can be found in the Cisco Release Notes Software Downloads c800universalk9mzspa1583m9bin work

: This is the versioning (Maintenance Release 9 of the 15.8(3)M train). It contains the latest security patches and bug fixes for that specific release cycle. .bin : The actual binary executable file format. Core Functionality and Features : Ensure you have at least 30MB of

: Signifies a digitally signed "Software Production Assembly" image, required for Secure Boot on newer hardware. c800universalk9mzspa1583m9bin work

IOS upgrade to c800universalk9mzspa.158-3.M9.bin