EZ Flash V 3in1 expansion pack won't work with my EDGE cart.

Please someone help me before I stamp on my slot 1 cart...
I'm using a EZ flash V 3in1 with an edge cart, I'm using OS 1.45 and I've followed the instructions on the tutorials thread, but still it's not working.
I've used it with my sons dstt cart, and can run GBA games using it and then use it as a GBA cart on my DS (with Edge cart).
What have I got to use to get it working??? I've tried expLOADER, Rudolphs tool and some others Ive read about on other site, none of these work. ???
Thanks.

use it with r4ds cart that cost 10$ more works good and if you need update gba loader i have it

We do not recommend R4 carts as they are no longer made or supported, and cards sold under the R4 name are clones with variable compatibility rates.

I don't have much experience with the Edge card, but the user manual for this says;"If you wish to access a slot 2 device from homebrew software, then it is necessary to disable
DLDI auto-patching. To disable DLDI auto-patching, hold SELECT while executing homebrew
software."I'm not sure if this will help you, but it's worth a try.