Glad to share Cube iWork8 Ultimate Dual OS(2+32GB) newest firmwares, which include the android & windows system files, flash tool and flash instruction. Please read the flash instruction carefully before operating. Here are the firmware links to download: iWork8 Unlimited Dual OS Part1, Part2, Part3, Part4. (Password: geekbuying.com)
Note: this firmware is fit for the SN Code starts from I1—— ends with O or V.