SamyGO

I attached the file that works 100% of the time for my H6400. Who knows if someone else can find it useful.

You are right, it actually worked. It was me expecting the locale set to appear in a different menu.
I managed to change model and locale. Thanks a lot. If there is any interest I can post my wave file that for this specific model appears to be working 100% of time.

Thanks again!

Hi, many thanks for your answer. I tried as you suggested, and also at various speeds by changing the wav file with audacity (making the pauses between commands shorter or longer) but info + factory always shows a "not supported" message. (which it makes me think that the command is kind o...

TO ENTER SERVICE MENU': 1. turn on tv (normal mode) 2. push the "info button", push the "Factory button" or 1. turn off tv 2. INFO, MENU, MUTE, POWER, then FACTORY+3SPEED You can emulate this with infrared smartphone or IR Extender + wav files you can download in this forum (if ...