: Look for the Software Update or Firmware Upgrade section. Check/Upload :
: Familiarize yourself with the upgrade process. Some devices require a direct connection to a computer, while others might support upgrades via a network connection or directly from the device itself. aot-4221sr firmware upgrade
Type 192.168.1.1 or 192.168.225.1 into the address bar. : Look for the Software Update or Firmware Upgrade section