neet to dahua 8216 (16chvideo + 16ch loop 8hdd - 4chipset)

[hamidreza777 0]

i need to dahua 8216RE serial flash bin dump file to recover dead dvr,is there any one could help me?

note:

may 8216RE is OEM mode,but totaly dvr is 16ch video 16ch loop,4 chipset

and below i showd main board photo.

 

[hamidreza777 0]

any help?