Hello,
I have formatted the flash and rebooted the router C891F . The PASSWORD RECOVERY FUNCTIONALITY IS DISABLED, so that I cannot press the reset button.
I have copied the valid on the usb and conneted it to the router but it was not working. i receive the same outout:
System Bootstrap, Version 15.4(1r)T1, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 2014 by cisco Systems, Inc.
Total memory size = 512 MB
Field Upgradeable ROMMON Integrity test
_______________________________________
ROM: Digitally Signed Production Software
C891F-K9 platform with 524288 Kbytes of main memory
Main memory is configured to 32 bit mode
Upgrade ROMMON initialized
PASSWORD RECOVERY FUNCTIONALITY IS DISABLED
boot: cannot determine first executable file name ondevice "flash:"
would you help me please?