Hacking DSTTi bricked during kernel update

[Dark Phoenix]

Hi. I tried to update the kernel of my DSTTi, which was a legit card standing to the test I did before doing that.
Once it started updating, it got stuck at 0.78% and after half an hour I restarted my DSi, so It's now bricked.
Is there any way to unbrick it? I got a modded dsi and 3ds to use if needed (but I need the dstt for the DS phat I have).
Thanks.