Manuals+

Grandstream GCC602X UC + Networking Convergence Solutions

System Firmware Release Notes

Important Upgrading Note

Please refer to the relevant firmware version sections for specific upgrading instructions and notes.

Firmware File Download

Individual firmware files are available for download at the URL below:

https://www.grandstream.com/support/firmware

Firmware Version 1.0.7.46 (SYS)

Product Name

GCC6020 / GCC6021

Date

9/18/2025

Firmware File Information

  • GCC6020 system firmware file name: gcc602xfw.bin
    MD5 checksum: aadc42be64c51d061f4a3cdfc7593a96
  • GCC6020 complete firmware file name: gcc602xfullyfw.bin
    MD5 checksum: 6a72ef8df90570dfc7e6618ac862c717 (Including SYS 1.0.7.46 + PBX 1.0.27.90)

Bug Fixing

  • Internal bug fixes

Firmware Version 1.0.7.44 (SYS)

Product Name

GCC6020 / GCC6021

Date

8/29/2025

Firmware File Information

  • GCC6020 system firmware file name: gcc602xfw.bin
    MD5 checksum: 287e24f420c7b527adc4c0f4add15879
  • GCC6020 complete firmware file name: gcc602xfullyfw.bin
    MD5 checksum: 3eb4542dc9e4c871e0a6153e4256146c

Changes/Enhancement

  • Home

    • Overview → Basic Information: Added Security Versions.
    • Maintenance → Backup & Restore: Added support for changing backup file name.

  • Networking

    • Network Settings → LAN → Static IP Binding: Added support for VLAN setting
    • Network Settings → MGMT: Changed Default IP/Subnet to 10.252.252.252/24
    • VPN:
      • Added feature of ZeroTier VPN
      • Added Setup Wizard of ZeroTier

  • Firewall

    • Overview: Added switch for Enable/Disable Advanced Firewall
    • Content Control → DNS Filtering: Added VLAN configuration for web filtering and application filtering
    • Added DNS Filtering configuration and Redirect Blocked Webpage configuration
    • Added new feature of File Filtering
    • SSL Proxy → Basic Settings: Added Forced Proxy and Optional Proxy configurations, and added Built-in Domain Exemptions

  • Traffic Management & System Settings

    • Traffic Management: Changed the bandwidth limits for "Maximum Upstream Bandwidth" and "Maximum Downstream Bandwidth" to 1-10240 Mbps under QoS and Bandwidth Limit.
    • System Settings → File Sharing: Added support of microSD and SSD external device

  • Security Log & Network Nodes

    • Security Log: Added filter of Firewall Policy
    • Network Nodes:
      • AP Management: Added support for GWN767x models
      • Switch Management: Added support for GWN771x and GWN782x models
      • Wi-Fi Management → SSIDs: Changed the bandwidth limits for "Maximum Upstream Bandwidth" and "Maximum Downstream Bandwidth" to 1-10240 Mbps

Bug Fixing

  • Fixed a bug that causes device unable to route traffic between OpenVPN® server and OpenVPN® client.
  • Fixed a bug that IPS incorrect trigger for Intrusion.
  • Fixed an issue that Wireguard VPN cannot handle Domains for Endpoint address.

Firmware Version 1.0.7.32 (SYS)

Product Name

GCC6020 / GCC6021

Date

6/21/2025

Firmware File Information

  • GCC6020 system firmware file name: gcc602xfw.bin
    MD5 checksum: 8f3b81acbf8dfeea8b7411f87845ded5
  • GCC6020 pbx firmware file name: gcc602xucm.bin
    MD5 checksum: 150d0d3f2cde1b6acd1cd41f79cb9020
  • GCC6020 complete firmware file name: gcc602xfullyfw.bin
    MD5 checksum: 0d05c92de310747f779fda0f3de7dd34

Changes/Enhancement

  • This is the initial release of GCC6020 system firmware.

PDF preview unavailable. Download the PDF instead.

Release Note GCC602x SYS 1.0.7.46 Microsoft Word for Microsoft 365

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