Zenfone 2 Deluxe custom rom - question about model variants
ZE551ML, Z00A, Z00AD and Z00AD* (A/B/C) refers to the same device, as evident on ASUS' support page:



The custom ROM community would refer to this device as Z00A. Look for ROMs targeting this codename.

On a side note, the "Laser" variants have Qualcomm SoCs (SD410/SD615), vastly different from the regular/Deluxe variants.