How to sideload Kodi on Sony XBR 55x850c

I recently became the owner of a new Sony XBR-55X850C. I have to say, the picture quality in 4K is absolutely awesome If you can find content. Before purchasing the TV, I did some research and found that there were quite a few problems with app availability, and several customers felt that the firmware would barely qualify as a beta. I brought my concerns to Best Buy, and the employees insured me that there has been an update this past week that fixed most of the issues. So I grabbed one and brought it home. First impressions were awesome, the…