Red_Gh0st

Originally Posted by richardsito

System Menu 1.4.3 was released on 29 June 2011 for Japan only.

DO NOT UPDATE THIS WILL PROBABLY BLOCK YOUR FLASHCARD. SEE BELOW FOR MORE INFO.

Changelog

Features Behind-the-Scenes improvements to system performance
Probably blocks flash-cards

Confirmed flashcards working:
CycloDSi


Known Blocked Cards:
SuperCard DSTwo.
Acekard 2i
iPlayer