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please help to unlock this model

here is the log...

Checking Login and Password... OK
Balance: 10 crd.
You have 10 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-A515F
Android version: 11
PDA version: A515FXXU4EUD7
CSC version: A515FOJM4EUD8
Phone version: A515FXXU4EUD7
Product code: SM-A515FMSWKSA
CSC country code: KSA
CSC sales code: KSA
Carrier ID: KSA
Phone SN: R58R51FW6PV
IMEI: 351919553232675
HW version: MP 0.3H
RF cal date: 20210510
Chip name: EXYNOS9611
Modem board: SHANNON337
Security patch: 2021-05-01
Boot Warranty bit: 0
SIM State: REGIONAL_LOCKED,ABSENT
Rebooting phone... OK
Waiting ADB device... OK
Waiting for device to become ready... OK
Searching Samsung modem... detected COM20
Initialization zTool Loader... OK
Running zTool, please wait... OK
Loading... OK
Initialization zTool... OK
Running zTool, please wait... OK
Executing... OK
Searching Ramdump interface... COM11 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
Done with Samsung Tool PRO v.43.4

please reply soon as possible
in Samsung Tool by (120 points)

1 Answer

0 votes
Hello. Flash this firmware and repeat operation. Post result.

https://samfw.com/firmware/SM-A515F/ZTO/A515FXXS4CTK1
by (60.8k points)
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