You seem to indicate that Japan's carriers has less strict certification process...

nimrody on July 20, 2009 | parent | context | favorite | on: Why Japan’s Cellphones Haven’t Gone Global

You seem to indicate that Japan's carriers has less strict certification process than AT&T's.

My personal experience with NTT DoCoMo (one of the largest carriers in Japan) has been exactly the opposite. Certificaiton has been a very difficult and long process.