HELP!! ender extender 400x400

[scottieB666 0]

Hi guys i have a ender 3 v2 

 

i have fitted a ender extender kit to a make it 400x400x250 

 

i need firmware for this as it wont flash any i try to build in marlin ect 

 

cant change on cura as printer software stops me a t 230mm 

 

mush help appreciated 

[Dustin 150]

Sorry your having issues with your 3D printer Scottie, but you probably should reach out to the Creality users community for help with that one. Your not likely going to find much of an answer here for it.