Official Android 4.2 jellybean update for the Sumovision Cyclone voyager ( 1 ) 10.1 inch model.
The update takes approximately 3 to 5 minutes to complete 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.
Code:http://www.mediafire.com/download/u0ux88dp8450bu3/Android_4.2%2Bfor%2Bvoyager%2B10.1inch_V_1.0.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.