Did you do the following?
You should Google Mr. Tasselhof Script to find the latest version. Unzip and place in Desktop folder
You should also Google Sausage Script, download the 04.091.0 version, unzip and place in Desktop folder. I used the SusaageModBBV.04.091.0 executable when I ran it (only use option 5).
Procedure I followed:
Backup any and all files that you want to retain. By using LiveSuite and the format option you will lose all aps and data.
When using LiveSuite, unzip the software into your computer, run the LiveSuite .exe file, point LiveSuite to the EKEN A90 image file and use "format option."
Make sure that your tablet is powered off completely.
Plug USB cable into your computer.
Hold the Volume+ button (middle button on top of tablet).
Plug the micro USB cable into the tablet's USB port closest to the Power Button (I was NOT able to use the USB Port labeled HOST that is closest to the headphone jack).
Press the power button on the tablet 6 to 10 times in rapid succession.
You should see that LiveSuite is communicating with the G9. Let finish, DO NOT INTERRUPT THIS PROCESS.
Boot the Tablet. You should see a different booting sequence than before. You may want to check Settings under About to see if the firmware has changed.
Run Tasselhof's Script per his instructions. Reboot using option 10
Run the Sausage Script using ONLY option 5. Exit the script using option Q. Reboot the tablet.
Download from Google Play - "Antutu CPU Master" and set the CPU speed to 960 MHz/60 MHz on performance and set "on boot" option checked.
You may want to change the size of the icons. Refer to Supy73's reply in this section
The only issue that I had with the above was a missing .dll file when my computer was trying to load the USB drivers. The .dll file was easy to find when I Google'd it.
Most of the above was taken from Mr Tasselhof's replies in the Newbie Section and Supy73's reply in this section.
Good Luck... It is worth the effort, my G9 has never run as good as it now does with the EKEN A90 firmware.