Edge not working with Lite

[CTBC]

Hi all.
I have Edge with latest firmware installed, it works fine with NDS but does not boot with new NDSLite!!!!
Please Help.

[TheDevilWithinJordz]

Thats weird, works fine with my NDSLite.
What colour NDSLite have you got?
If its one of the newer batches of DS's could be due to firmware incompatibility.
But im no expert lol