Navigate to:
CG3000_v3.2.1_release.bin
Most ISPs manage CG3000 firmware automatically: kaon cg3000 firmware update
Most Kaon CG3000 units are locked by ISPs to receive via TR-069 or SNMP. In these cases, you cannot manually update even if you try—the web interface will show a greyed-out upgrade button. Navigate to: CG3000_v3
For the cable gateway, firmware updates are primarily managed through your Internet Service Provider (ISP). Because it is a cable modem/gateway, the firmware is typically pushed automatically "over-the-air" to ensure compatibility with the provider's network. Automatic Updates kaon cg3000 firmware update