The second patch for Pokémon Omega Ruby and Pokémon Alpha Sapphire is now available worldwide. The patch fixes a bug that might cause the games to freeze when entering the Hall of Fame. Players need to connect their Nintendo 3DS to the Internet in order to download the latest v1.2 patch. Players can also scan the QR codes below to activate the patch download off the Internet. When the game is successfully patched, the version number on the title screen menu will indicate that its Ver. 1.2.


Source: http://www.nintendo.co.jp/3ds/ecrj/update/index.html