The release of software images like c800universalk9mzspa1573m9bin shows the ongoing efforts in the networking field to improve performance, security, and functionality. We encourage you to share your experiences, questions, or advice regarding this or similar software updates.
Deploying this firmware requires careful attention to system requirements and installation methods: Cross Platform Release Notes for Cisco IOS Release 15.7(3)M c800universalk9mzspa1573m9bin exclusive
Right now there is IOS 15.3(3)M6 running and the CD LED is only flashing ... so I reckon i need to upgrade the IOS Firmware first. community.cisco.com c880-universalk9...bin vs. c880data- ... - Cisco Community c800universalk9mzspa1573m9bin exclusive