Durabrand PVS1680 region-free hack
Also works on: PVS1960, PVS1966, PVS1970, PVS223, STS75E
1. Turn on the player
2. Open the disc tray
3. Enter 8 1 3 2 8
4. Select rc using the ENTER button (9 = region free)
5. Press PLAY
6. Close the disc tray
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