Nokia N73 可否在日本用

Nokia N73 係可以係日本用架, 因為佢有 WCDMA 呢個 frequency.
其實只要部機有呢個frequency 就可以係日本用到架啦

而家好多3G 機都有呢個frequency.

Yes, all 3G phone works in Japan (even if you are using 2G phone card), just ensure you have set up roaming services and checked the charges (incoming and outgoing call fee).