Firmware Update: DrayTek Vigor 2820/n/Vn

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DrayTek has for his Vigor 2820-, Vigor 2820n and Vigor 2820vn routers released new firmware with as the version number. These routers are suitable for passing ADSL2, ADSL2+, cable and VoIP connections. The list of changes includes improvements to the router’s stability when the VPN IPSec service is disabled, and looks like this:


  • Wireless SSID default name has been changed to “DrayTek”.
  • Improved: Router stability is not good after VPN IPSec service is disabled.

Known Issue

  • ZFone 0.92 build 218 will pop up two identical windows that say “unsupported type of error was received” when SAS is generated. However, the voice protection afterward and SAS are all good. Above scenario only happens if vigor calls zfone for the very first time!! Vigor to Vigor call doesn’t have this issue!!

Version number
Release status Final
Website DrayTek
License type Freeware
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