I can appreciate your interest in the DS Lite. I wanted to let you know that firmware updates are not available for the DS Lite. Therefore, you will not have to worry about updating the system in order to play the latest DS software. For more information about the DS Lite, please visit the website below:

DS at Nintendo

Sincerely,

Alain Dao
Nintendo of America Inc.
Nintendo's home page: Country Selector at Nintendo
Power Line (Automated Product Info): (425) 885-7529