Quick feedback for all like me, looking for a device that runs on Ubuntu. "Out of Box" I booted my new E5 with an Ubuntu 4.14 Live USB stick and there were immediately recognized and supported all major appliances. Also the WiFi Realtek chipset RTL8723BE was found. Here were initially problems that after a short time the Wi-Fi was not available. For that I have found this situation: ubuntuforums.org/showthread.php?t=2243978 Even the picture and sound via HDMI are available. Only Bluetooth on the same chip as WiFi is not currently supported, although here a remedy is described. /forum.ubuntuusers.de/topic/probleme-mit-rtl8723be/2/#post-7239178
Otherwise, I can really recommend the device for that price. Others have already written a lot about the hardware, I do not want to repeat again here.