Help please sm-g920p cert

i've writed it the cert sm-g920v through octopus with root and phone still with out signal, i checked with dfs and meid and esn and imei match, i tried with z3x but i get error (0) while writing cert .
*#0011#
No Service
NETWORK : UNLOCK
IMEI Certi: FAIL, -4
Unknown
UE MODE: CSFB
ASM MIPI DEVICE FAIL
DEVICE MID=0x11a, PID=0x0d5

Help Please :crying:

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