The operation is same as old IX471. The only difference is that, new IX471S have larger flash, no need to insert extra SD card to do Online Update.
On IX471S, tap “Settings” -> “Installer” -> “Upgrade” as below,
Server: select an update server, usually is Server1[47.91.88.33] (It is SIP sever in Europe), unless there is a special notice.
Download code: for different customization door station has different code, for V-TEC English standard version, the code is (待开发确认）
For customize monitor, please check with technical support for your update code
Tap “Check” to check if there is an available update, if information of Firmware Package show up, then tap “Install” to update.
It will take around 20 seconds to finish installation, then IX471S will reboot itself automatically.