Firmware download link: http://www.needrom.com/download/cube-t9/

Version: Android 4.4.4

Update Official Cube T9 version: V1.07_20150304 – 0502L303_20150304 – KTU84P

Official Cube T9 version: V1.02_20141121 – 0502L303_20141121 – KTU84P

Gapps include: No Rooted
Language support: MultiLang

Tutorial

Unpack FlashTools, and Click on Flash_tool.exe
Select a the MT6572_Android_scatter.txt in ROM
Wait file to be added into Flash Tool>choose Option>USB Model,click USB Model
Choose Option->DA DownLoad All->Speed->High Speed, click High Speed
Turn off your tablet>Press F9 (hit Download button) OR if upgrade ROM Firmware>Upgrade>and connect your phone into the computer via USB data cable.
The process will start and a red progress bar will appear after color purple, yellow.
And green circles display
Finish !
You can now safely disconnect your phone and turn it on.