How to solve DVB part lost problem for vigica c90s after software upgrade？

Recently some clients feedback, after software upgrade, the dvb part lost, only with android part.

or there showed " I2C AND ERROR" ON C90S android tv box

Dear friend, these problem come out because you upgrade the wrong software.

Just as our previous news, vigica c90s have version 1 and version 2, this 2 version software different, if you upgrade wrong software, then above problem will happen.

please read the software again as below link.

http://www.smartvboxs.com/news/Special-statements-for-vigica-c90s-software.html

anything welcome to consult.

Thanks for your time.