Unable to unlock a7 refund credit plz

GENERATED CODE NOT ACCEPTING SAMSUNG A7 FOLLOWED AND TRIED ALL METHODS

1.Phone don't accept code - problem can be that phone are not fresh or after downgrade.
Just refresh phone to last firmware and do master reset and phone will accept code. Phone will accept codes.
P.S. NETWORK PUK code = freez code.
also check may be phone TMB with not original firmware.


VIDEO
https://www.youtube.com/watch?v=mxMigwgdHGM



HERE IS LOGS

Checking Login and Password... OK
Ballance: 35 crd.
You have 35 credit(s) left. This operation takes 10 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-A750F
Android version: 8.0.0
PDA version: A750FXXU1ARK8
CSC version: A750FODM1ARK9
Phone version: A750FNXXU1ARK4
Product code: SM-A750FZDDINS
CSC country code: India
CSC sales code: INS
Phone SN: RZ8KA2CX1YJ
IMEI: 351578103740767
HW version: MP0.3
RF cal date: 20181022
Chip name: EXYNOS7885
Modem board: SHANNON327
Security patch: 2018-11-01
Boot Warranty bit: 0
SIM State: ABSENT,ABSENT
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Searching server... OK
Checking server answer... OK
Executing... OK
Reading data from phone... OK
Calculating... OK
Searching server... OK
Waiting for server answer... OK
Freeze code: 19209258
NET lock: 05970686
SUB lock: 00000000
SP lock: 00000000
CP lock: 00000000
SIM lock: 00000000
For check lock status: *#7465625#