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Hi,

 I have been trying to unlock a A21s (A217M) from claro PR patch level is July 2021 baseband is A217MUBS6CUF4 i have been unable to get the NCK code i can only get MCK after that i get: server error could not process securtity data, please try again. I have tried many times but been unsuscesful. I tried to hard reset the phone and after that i got another MCK code so i have paid two times for the MCK code but no NCK. Any help is greatly appreciated.
Operation: Read Codes via Server [UPLOAD Mar 2021]
Selected model: SM-A217M
Software version: 43.8

Checking Login and Password... OK
Balance: 8 crd.
You have 8 credit(s) left. This operation takes 5 credits. Attention! In case if phone asking MCK code, using this method will consume credits twice - first for MCK code and then for NCK. Continue? No
Operation: Read Codes via Server [UPLOAD Mar 2021]
Selected model: SM-A217M
Software version: 43.8

Checking Login and Password... OK
Balance: 8 crd.
You have 8 credit(s) left. This operation takes 5 credits. Attention! In case if phone asking MCK code, using this method will consume credits twice - first for MCK code and then for NCK. Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-A217M
Android version: 11
PDA version: A217MUBS6CUH1
CSC version: A217MOWA6CUF4
Phone version: A217MUBS6CUF4
Product code: SM-A217MZKAPCT
CSC country code: Puerto Rico
CSC sales code: PCT
Carrier ID: PCT
Phone SN: RF8R1155DRP
IMEI: 356156111591954
HW version: MP 0.500
RF cal date: 20210119
Chip name: EXYNOS850
Modem board: SHANNON318
Security patch: 2021-07-01
Boot Warranty bit: 0
SIM State: ABSENT
Initialization zTool Loader... OK
Running zTool, please wait... OK
Loading... OK
Initialization zTool... OK
Running zTool, please wait... OK
Executing... OK
Searching Ramdump interface... COM115 detected
Rebooting phone... OK
Waiting ADB device... OK
Waiting for device to become ready... OK
Reading ramdump data from phone... OK
Calculating... OK
Searching server... OK
Waiting for server answer... error (1)
Server error: Could not process security data, please try again
Operation: Read Codes via Server [UPLOAD Mar 2021]
Selected model: SM-A217M
Software version: 43.8

Checking Login and Password... OK
Balance: 13 crd.
You have 13 credit(s) left. This operation takes 5 credits. Attention! In case if phone asking MCK code, using this method will consume credits twice - first for MCK code and then for NCK. Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-A217M
Android version: 11
PDA version: A217MUBS6CUH1
CSC version: A217MOWA6CUF4
Phone version: A217MUBS6CUF4
Product code: SM-A217MZKAPCT
CSC country code: Puerto Rico
CSC sales code: PCT
Carrier ID: PCT
Phone SN: RF8R1155DRP
IMEI: 356156111591954
HW version: MP 0.500
RF cal date: 20210119
Chip name: EXYNOS850
Modem board: SHANNON318
Security patch: 2021-07-01
Boot Warranty bit: 0
SIM State: ABSENT
Initialization zTool Loader... OK
Running zTool, please wait... OK
Loading... OK
Initialization zTool... OK
Running zTool, please wait... OK
Executing... OK
Searching Ramdump interface... COM115 detected
Rebooting phone... OK
Waiting ADB device... OK
Waiting for device to become ready... OK
Reading ramdump data from phone... OK
Calculating... OK
Searching server... OK
Waiting for server answer... OK
Freeze code (MCK): 73170258
To read NET Lock Code(NCK), please insert SIM Card and enter MCK code, then read the codes again.
Operation: Read Codes via Server [DIAG May 2020]
Selected model: SM-A217M
Software version: 43.8

Checking Login and Password... OK
Balance: 18 crd.
You have 18 credit(s) left. This operation takes 5 credits. Continue? No
Operation: Read Codes via Server [UPLOAD Mar 2021]
Selected model: SM-A217M
Software version: 43.8

Checking Login and Password... OK
Balance: 18 crd.
You have 18 credit(s) left. This operation takes 5 credits. Attention! In case if phone asking MCK code, using this method will consume credits twice - first for MCK code and then for NCK. Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-A217M
Android version: 11
PDA version: A217MUBS6CUH1
CSC version: A217MOWA6CUF4
Phone version: A217MUBS6CUF4
Product code: SM-A217MZKAPCT
CSC country code: Puerto Rico
CSC sales code: PCT
Carrier ID: PCT
Phone SN: RF8R1155DRP
IMEI: 356156111591954
HW version: MP 0.500
RF cal date: 20210119
Chip name: EXYNOS850
Modem board: SHANNON318
Security patch: 2021-07-01
Boot Warranty bit: 0
SIM State: ABSENT
Initialization zTool Loader... OK
Running zTool, please wait... OK
Loading... OK
Initialization zTool... OK
Running zTool, please wait... OK
Executing... OK
Searching Ramdump interface... COM115 detected
Rebooting phone... OK
Waiting ADB device... OK
Waiting for device to become ready... OK
Reading ramdump data from phone... OK
Calculating... OK
Searching server... OK
Waiting for server answer... OK
Freeze code (MCK): 73170258
To read NET Lock Code(NCK), please insert SIM Card and enter MCK code, then read the codes again.
in Samsung Tool by (120 points)

1 Answer

+1 vote
Hello. Wait for tomorrow, we will release new version with improved algo for this model.
by (68.3k points)
So i can assume the version is supported by z3x it just needs some improvements? Thanks for your answer.
Hello. Update to 43.9 and repeat operation. Post result.
Unlock done!! Thanks for your help.

Operation: Read Codes via Server [UPLOAD Mar 2021]
Selected model: SM-A217M
Software version: 43.10

Checking Login and Password... OK
Balance: 8 crd.
You have 8 credit(s) left. This operation takes 5 credits. Attention! In case if phone asking MCK code, using this method will consume credits twice - first for MCK code and then for NCK. Continue?  Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-A217M
Android version: 11
PDA version: A217MUBS6CUH1
CSC version: A217MOWA6CUF4
Phone version: A217MUBS6CUF4
Product code: SM-A217MZKAPCT
CSC country code: Puerto Rico
CSC sales code: PCT
Carrier ID: PCT
Phone SN: RF8R1155DRP
IMEI: 356156111591954
HW version: MP 0.500
RF cal date: 20210119
Chip name: EXYNOS850
Modem board: SHANNON318
Security patch: 2021-07-01
Boot Warranty bit: 0
SIM State: ABSENT
Initialization zTool Loader... OK
Running zTool, please wait... OK
Loading... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading lock state... OK
Checking SIM status... OK
Executing... OK
Searching Ramdump interface... COM89 detected
Rebooting phone... OK
Waiting ADB device... OK
Waiting for device to become ready... OK
Reading ramdump data from phone... OK
Calculating... OK
Now only the MCK(Freeze) code will be calculated. Continue?  Yes
Searching server... OK
Waiting for server answer... OK
Network code (NCK):
Done with Samsung Tool PRO v.43.10
...