The Good News: I find the oppo new jailbreak way, (can play bdmv bdiso ,and change regions ,remove cinavia etc )it need many time and engineers to make firmware .so this pre-order is low price . when it finish, will be $199, it will be finish before 1-11-2017.
NOTE: This back door only for play 4K BDMV (The.Smurfs.2 ,Patriots.Day, Inferno , La La Land ),cannot play bdiso, ALL firmware version Of 20X. once pay .cannot refound. this only way ,not file. after pay, i will send the way to you