1. places AP & TFTP Server in same network
  2. Changes TFTP Server IP to 10.0.0.2 and turn off all firewall features.
  3. put prepared LAP IOS image in TFTP folder and changes name to “ap3g1-k9w8-tar.default” => refers messages by rommon
  4. Reset AP while pressing mode around 30 seconds
  5. finish, it will automatically install the image