Why not just call Oppo and ask for a solution? They are very customer friendly and don't care where you you bought the unit. Sometimes, these quick-fix solutions can do more harm than good.
Any Programs to Download to make Oppo 83SE and 105D Region Free
I have an Oppo 83SE and Oppo 105D. Inquiry on any programs to download that I could use to make these two models Region Free. I only have two dvds (non blu ray) that are English. It would not pay to get kits that would involve taking these apart.