https://techtablets.com/2015/05/cube-iwork8-3g-dual-boot-review-online/
2G / 3G support, unfortunately only in Android! ( Plaese Note , see the report as above)
Windows 8.1 + Android 4.4
8 inch 1280*800 IPS capacitive touch screen
Intel Z3735F CR-V2 Quad Core 1.80GHz
2GB DDR3L RAM and 32GB eMMC ROM
Dual cameras 2.0MP+2.0MP
Support BT/OTG/HDMI/3G internet functions
Support Wifi 802.11 b/g/n
2G: GSM 900/1800MHz
3G: WCDMA 900/2100MHz