Asr1000-rommon.173-1r.spa.pkg !free! Link

asr1000-rommon.173-1r.spa.pkg ROM Monitor (ROMmon) firmware upgrade specifically designed for the Cisco ASR 1000 Series Aggregation Services Routers. Technical Summary

If you have copied the asr1000-rommon.173-1r.spa.pkg to the router's bootflash, you can manually force the upgrade using the standard package command: asr1000-rommon.173-1r.spa.pkg