Fix the 4DTV Ratings Issue and Restore Firmware Back to A4!

[Scott Greczkowski]

Attached are the instructions on how to fix the 4DTV Ratings problem and also revert your receiver back to the A4 firmware!



Note that by using this file and instructions that by doing it improperly can cause you to brick your receiver so please do it with caution!

Enjoy!

[Scott Greczkowski]

So has anyone done this yet?

Please post your results.

[rrob311]

I am going to do this once I change my battery. I have an older GI model that I am going to use hopefully later today.

[Scott Greczkowski]

Great please report back how it worked.

[Anony55]

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I still don't have the BDM adapter. Figures that I'd be poor at the moment that MMR was released. Business has picked up some the last couple of days, so I think I'll be getting one soon.

Scott, where did you get this file & instructions? If you can't say that's fine, but can you confirm that the origin is trustworthy & safe?

I've got both files in the bank for when I get the BDM adapter.

Cheers

[Scott Greczkowski]

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The file and instructions were given to me by the Map Master Team with full permission to post them.