No, after exiting settings pressing B settings are saved. Can you press X / Y on Settings again to re-download bootstrap again? Also do you have any slot-1 card in the slot?
Remeber to turn off ARM9 Lock and turn on WRAM boost
re-download of bootstrap ok.
VRAM boos on
ARM9 off
Now it works
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re-download of bootstrap ok.
VRAM boos on
ARM9 off
Now it works
I have no sound, normal?