Default problem with s4 mini i9190 mtk6572

hi guys
i have a problem with my s4 mini
i9190 mtk6572
I flash it with another rom and now i have a blank screen
This is the phone info
Hardware : MT6572

Model : GT-I9190

Build number : ALPS.JB3.MP.V1

Build date UTC : 20140514-101556

Android v : 4.2.2
Baseband v: MOLY.WR8.W1315.MD.WG.MP.V1.P1,
2013/10/11 16:16

Kernel v : 3.4.5 (sw07@server5) (gcc
version 4.6.x-google 20120106
(prerelease) (GCC) ) #1 SMP Wed May
14 17:51:27 CST 2014
Uboot build v : ----- should be root
shell

LCD Driver IC : 1-
nt35512_fwvga_dsi_vdo_auo

If any body have this phone with this lcd drive
please upload the whole rom except system.img file

P.S. My rom size is 512MB and it is NAND