Hi VIVEK
please use mfg tool, mfgtool2-android-mx6dl-sabresd-emmc.vbs.
http://www.nxp.com/webapp/Download?colCode=IMX-L5.0.0-MFG-TOOL&appType=license&location=null&Parent_...
As for emmc one can try other emmc, preferably eMMC ver.4.4
which is officially supported by i.MX6DL.
Best regards
igor
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