Default [Q] The right rom

Hi guys
i tried to make my hd mini android,but something went wrong and now i have that black screen with blu texts.so now i wanna go back to wm,but i dont know which rom i should download.I already downloaded two roms,but neither of them were the right one.i got that '294' error.so please help me find the right rom for my phone.

Here is my phone info:
imei:357215032650874
s/n:ht11fpz00376
p/n:99hkn001_00

thanks.