Update firmware on newer Cisco device

Cisco’s products have come a long way since the early days however there are some steps that you should know regarding how to update the firmware on a newer device.
  1. Connect Cisco device via USB to your windows box and install USB drivers
  2. Check the control panel to see what Serial port the USB device has been attached to
  3. Connect to the Cisco device via Putty through the USB-Serial connection
  4. Download latest (MD) Cisco firmware for your device
  5. Copy download to a USB flash drive and then plug into your Cisco device
  6. Files on the Cisco device should be now located on usbflash0 or usbflash1
  7. Copy the new Cisco firmware to the local flash
  8. Update the Config to boot from the new firmware
  9. Save, Reload, and confirm after reload that the new firmware is now loaded
  10. After confirmation, delete old firmware image from the cisco device
When connecting the Cisco box via USB you must install a USB driver
Download from Cisco:
Cable installation Guide & Serial Port Settings:
Specifically installing the USB drivers:
Download and install Putty to connect to your Cisco device:
PuTTY is a free implementation of Telnet and SSH for Windows and Unix platforms, along with an xterm terminal emulator.
IOS Upgrade / recovery via USB
Cisco IOS Upgrade via TFTP
Complete Cisco Instructions located here: