Official Android 4.2 jellybean update for the Sumovision Cyclone ( 1 ) 8 inch model.
The update takes approximately 3 to 5 minutes to complete ( Just tested on my own ) and all instructions, drivers etc are contained within the .rar file.
Before updating the firmware on your tablet you must ensure it has more than 50% charge, preferably 100% just to be safe, All instructions, and drivers etc are contained within the update folder in the link below.
The file is a 367 MB compressed .zip file.Code:http://www.mediafire.com/download/vfbivthai2dyzk4/Android_4.2.2%2Bfor%2Bvoyager%2B8inch_v1.1.zip
Be aware that this is essentially a reflash of your tablet and as such you will loose any data or apps you may have on there so make a backup first.