Ayer, Hyundai-digital release another android 4.2 rom for their Hyundai T7 modelo. We have mirrored the firmware for you guys, you can get the firmware here
http://www.mediafire.com/download/g4b291uadvqt1v3/HYUNDAI_T7_Androic4.2.2(20130607)(2).rar
After flash this rom, you will find the system is all in chinese again, por favor no te preocupes, here is an easy instruction for teach you how to change it to english again:
y puedes ver, there are some chinese app built in the system, you can root your hyundai t7 as the following instruction:
and then remove those chinese apps
After play it a bit,i found this Android 4.2 rom is much smoother than the original Android 4.0. but i also find it miss the HDMI OUTPUT setting in the display setting 🙁
Try this rom at your own risk, and report back for any problem you found.
gracias
compra friki
Thank you for your support.