– Check uploaded ROMMON file verify /md5 isr4200_4300_rommon_169_1r_SPA.pkg – Start upgrade (will take about 3-5 min) upgrade rom-monitor filename bootflash:iisr4200_4300_rommon_169_1r_SPA.pkg all (not „flash:“ otherwiese you see -> Invalid file:\\ flash:isr4200_4300_rommon_169_1r_SPA.pkg) – Reload – Check Version after upgrade and reload sh rom-monitor R0… Read moreROM Upgrade 43xx Router