Default [Q] Problem Vonino Onyx Z

Hello all ,

I`m new on this forum , and i have a problem with my tablet Vonino Onyx Z , because the rom is bugged , the signal is crashing almost all the time , battery is drain faster sometimes and other little bugs. So if u guys want to help me with a original file rom ,and a little install tutorial for it , or a custom rom its very welcomed and will help others peoples.

Thx Guys.