how to select lumia 900 files??

I have 3 lumia 900 showing white after flashing. I don't know if I selected a wrong file to:

lash Files selected :

AMSS : RM823_12w30_1_prod_generic_amss.esco

ADSP : RM823_12w30_1_prod_generic_adsp.esco

WP : RM823_12301_prod_251_03_boot.esco

UDA : RM823_12w30_1_prod_generic_user_area_erase.esco

MDM1 : RM823_12w30_1_prod_generic_mdm_amss.esco

MDM2 : RM823_12w30_1_prod_generic_mdm_dsp1.esco

MDM3 : RM823_12w30_1_prod_generic_mdm_dsp2.esco



Please help with a link to download an installer file so dat the software can Automatic selected d file.

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