Posted on their English forums by an Administrator:
Source
Google Translation
edit:
To clear the 1.4.1/ 1.4.2 issue up, there are 4 releases of firmware 1.4.1. You have 1.4.1A (Australia), 1.4.1E (Europe), 1.4.1J (Japan), and 1.4.1U (US). 1.4.2C is only for China, doesn't not block any...