I just did the update (from v12 to v14), big problem, it's like the update didn't work and worst, i got this message :
I have a DSi with firmware 1.4U, a EZFLASHVi (who was v12 [705] and with the crashes and slowdowns).
I have a Sandisk 2GB microSD, cluster is 32kb.
I can see the Tak image...