R4i sdhc v2.0 happybox Red version v1.4 (r4isdhc.com) possible brick

[serpinu]

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Hi, as the title my r4 worked but then Iwanted to try to make it work on 3ds and did not go then I asked on various forums and they told me to put a kernel and the firmware of the obsolete 3ds version (type version 4) and l 'I started and remained on loading, thinking it was blocked, I turned off the ds lite. Today I tried again and appeared in place of the icon of a star wars game appears top spin 3 2k. What can I do? I read that you have to do the flash with another flashcard but I only have a ds-xtreme. Thank you so much and sorry for my bad english
I prove the ntrboot flasher but It tells me that the flashcard isn't supported...