SM-A715f Unlock Failed [Answered]

[gsm_unlock2]

Hi.
I try to unlock A715f and get error receiving unlock code.

  UNLOCK INSTRUCTIONS:
    To read security codes using sever:
    Knox warranty does not matter.
  1. Power on the phone.
  2. Tap 7 times on 'Build number' in 'Settings'-'About phone'-'Software information'
     to enable 'Developer options',
     go to 'Settings'-'Developer options' and enable 'USB debugging'.
  3. Connect the phone to PC with USB cable, install drivers if needed.
  4. Select device in ADB settings.
  5. Press 'Read Codes via server' button, write your login and password in window if it will appear.
    (Login and password will be saved as default after first input and can be changed in settings.) 

Operation: Read Codes via Server
Selected model: SM-A715F
Software version: 41.8

Checking Login and Password... OK
Ballance: 22 crd.
You have 22 credit(s) left. This operation takes 10 credits.Continue?  Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-A715F
Android version: 10
PDA version: A715FXXU3ATJ2
CSC version: A715FOXM3ATI8
Phone version: A715FXXU3ATI5
Product code: SM-A715FZKUBTU
CSC country code: UK & IRE
CSC sales code: BTU
Carrier ID: BTU
Phone SN: 
IMEI: 353173738xxxxxx
HW version: MP 0.300
RF cal date: 2020.07.21
Chip name: SM7150
Modem board: SM7150
Security patch: 2020-10-01
Boot Warranty bit: 0
SIM State: ABSENT,ABSENT
Rebooting phone... OK
Waiting ADB device... OK
Rebooting phone... OK
Waiting ADB device... OK
Waiting for device to become ready... OK
Initialization zTool... OK
Running zTool, please wait... OK
Trying to enable diag port... OK
Waiting ADB device... OK
Waiting for device to become ready... OK
Searching Samsung diag port... detected COM59
Initialization zTool... OK
Running zTool, please wait... OK
Executing... OK
Searching Ramdump interface... COM4 detected
Reading data from phone... OK
Calculating...
Searching server... OK
Waiting for server answer... error (1)
Server error: Invalid data recevied

Done with Samsung Tool PRO v.41.8

[Z3X]

Hello. Repeat operation once again.

[gsm_unlock2]

Hi.

I try again, same problem.

  UNLOCK INSTRUCTIONS:
    To read security codes using sever:
    Knox warranty does not matter.
  1. Power on the phone.
  2. Tap 7 times on 'Build number' in 'Settings'-'About phone'-'Software information'
     to enable 'Developer options',
     go to 'Settings'-'Developer options' and enable 'USB debugging'.
  3. Connect the phone to PC with USB cable, install drivers if needed.
  4. Select device in ADB settings.
  5. Press 'Read Codes via server' button, write your login and password in window if it will appear.
    (Login and password will be saved as default after first input and can be changed in settings.) 

Operation: Read Codes via Server
Selected model: SM-A715F
Software version: 41.8

Checking Login and Password... OK
Ballance: 22 crd.
You have 22 credit(s) left. This operation takes 10 credits.Continue?  Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-A715F
Android version: 10
PDA version: A715FXXU3ATJ2
CSC version: A715FOXM3ATI8
Phone version: A715FXXU3ATI5
Product code: SM-A715FZKUBTU
CSC country code: UK & IRE
CSC sales code: BTU
Carrier ID: BTU
Phone SN: 
IMEI: 353173738xxxxxx
HW version: MP 0.300
RF cal date: 2020.07.21
Chip name: SM7150
Modem board: SM7150
Security patch: 2020-10-01
Boot Warranty bit: 0
SIM State: REGIONAL_LOCKED,ABSENT
Searching Samsung diag port... detected COM59
Initialization zTool... OK
Running zTool, please wait... OK
Executing... OK
Searching Ramdump interface... COM4 detected
Reading data from phone... OK
Calculating...
Searching server... OK
Waiting for server answer... error (1)
Server error: Invalid data recevied

Done with Samsung Tool PRO v.41.8

[Z3X]

Hm. Ok, reflash phone with this firmware and try once again, post result here.
https://samfrew.com/ru/download/Gala...A715FOVF3ATH2/