Acoustic Solutions DVD521 region-free hack
Also works on: DVD551
Method 1 of 2
1. Using the remote control, key in the following: Setup, Next, Stop, Pause/Step, Prev, Next.
2. You should now be in a secret menu where you can change the region from 1 to 6, or All for region free.
Method 2 of 2
Press the Setup button on the remote
Press Next, Pause/Step, Prev and Next
You should now be in a service menu where you can set the region to 1-8, or Bypass for Region free. Note that Bypass will not play RCE discs.
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