United DVD 5054M / DVD 5055M
- Open the disc tray
- Press SETUP
- Press 1, 3, 6, 9
- Select region with UP/DOWN (0=codefree)
- Press SETUP
- Close the disc tray
United DVH 3160
- Open the disc tray
- Press 9, 8, 1, 7 (or 3838 or 73838)
- Select region (9 = codefree)
United DVH 3161 / DVH 4081 / DVH 4161
- Open the disc tray
- Press 8, 1, 3, 2, 8
- Select region with ENTER (9 = codefree)
United DVH 4083 / DVH 4087
- Open the disc tray
- Press SETUP
- Press PLAY
- Go to "custom setup"
- Press 3, 3, 3, 3
- A menu should pop up (Secret)
- Press ENTER
- Select region (0 = codefree)
- Press ENTER
- Press SETUP
- Close the disc tray
United DVP 4047
- Open tray
- Press SETUP
- Press NEXT, PREV, NEXT, PREV
- Select region (VER 255 = multi-region)
- Press SETUP
United DVR-5076
- Open tray
- Enter 0086000
- Press SELECT
United DVX 4066M
- Press UP, UP, DOWN, DOWN, RIGHT, LEFT
- Enter region (0 = multi-region)
- Press ENTER
United HDV 4080 / HDV 4090
- Turn on the player (without a disc inserted)
- Switch to TV/AV mode
- Press SETUP
- Press 2, 6, 0, 2
- Press STOP
- Go to "Settings"
- Press ENTER
- "Region" appears
- Select region in this menu (0 = codefree)
United DVD 4053, DVD 5063, DVH 3165, DVH 6065, DVP 5040, DVP 6038, DVR 5075, DVT 4090, DVX 4068, DVX 4070
- no known hacks
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Manufacturer list & contact information