there's no updates for DS lite.
I never denied that there were different hardware versions of the DS lite.There is different firmware versions for it.
http://en.wikipedia.org/wiki/Nintendo_DS_homebrew
Look at the (Checking the firmware version) section.
There is different firmware versions for it.
http://en.wikipedia.org/wiki/Nintendo_DS_homebrew
Look at the (Checking the firmware version) section.