HTTP Firmware upgrade path for BETA release is: firmware.grandstream.com/BETA
1. If you would like to download firmware package to upgrade your GVC320x, please read GVC320x release notes carefully and make sure to download the appropriate firmware package. The firmware links for different firmware packages are provided in release notes. Please download the correct one depending on the current firmware version on your GVC320x.
2. Using wrong upgrading method or wrong firmware package could damage your GVC3200/GVC3202 device. Please read GVC320x release notes before upgrading.
3. The upgrading process could take several minutes. Please be patient when the GVC320x starts downloading firmware files and upgrading.
4. Once upgraded to firmware 220.127.116.11 and above, downgrading to 18.104.22.168 or earlier versions is not allowed.