Yukai DVD-V520 region-free hack

Turn On the player with no disc in the drive and press Set-up

Using the volume buttons on the remote press Plus, Minus, Plus and Minus

At the top of the TV screen Ver 2 will be displayed, indicating that the player is currently set as Region 2

Using the Left and Right keys change the region code from 1 to 6 or 255 for region free

Press Set-up to Finish