To download and properly install the Cisco IOS image C1900-universalk9-mz.spa.157-3.m9.bin
: Downloading "K9" (strong encryption) images typically requires an active Cisco SMARTnet Service Support Contract associated with your account. Memory Check C1900-universalk9-mz.spa.157-3.m9.bin Download
This specific release is part of the Extended Maintenance train, which is designed for stability on legacy ISR (Integrated Services Router) platforms. To download and properly install the Cisco IOS
: Always save backup copies of your existing system image and configuration before proceeding with an upgrade. Cisco Community How to Download Reload the router to load the new IOS image file by typing:
If you are upgrading or recovering a router, keep these points in mind: