The universalk9 image requires proper licensing. After installation:

Router# license boot level advipservices
Router# reload

Then register with Cisco Smart Licensing:

Router# license smart register idtoken <your_token>
Router# show license smart status

Note: Some older 800-series routers use legacy RTU licensing. Verify with show license right-to-use.

show bootvar
# Expected: BOOT variable = flash:c800universalk9mzspa159-3.M10.bin
# Configuration register = 0x2102

TFTP lacks error checking. For cleaner transfers over WAN/MPLS links, use FTP.

Router# copy ftp: flash:
Address or name of remote host [192.168.1.50]?
Source filename []? c800universalk9mzspa1593m10.bin
Destination filename []? [Enter]
Username: your_ftp_user
Password: ******

C800universalk9mzspa1593m10bin Install -

The universalk9 image requires proper licensing. After installation:

Router# license boot level advipservices
Router# reload

Then register with Cisco Smart Licensing: c800universalk9mzspa1593m10bin install

Router# license smart register idtoken <your_token>
Router# show license smart status

Note: Some older 800-series routers use legacy RTU licensing. Verify with show license right-to-use. The universalk9 image requires proper licensing

show bootvar
# Expected: BOOT variable = flash:c800universalk9mzspa159-3.M10.bin
# Configuration register = 0x2102

TFTP lacks error checking. For cleaner transfers over WAN/MPLS links, use FTP. Then register with Cisco Smart Licensing: Router# license

Router# copy ftp: flash:
Address or name of remote host [192.168.1.50]?
Source filename []? c800universalk9mzspa1593m10.bin
Destination filename []? [Enter]
Username: your_ftp_user
Password: ******