SM G935A calculating code error 2


:confused:

Need assist

Code:

  UNLOCK INSTRUCTIONS:
    Unlocking with original MSL code:
  1. Phone must be powered on.
  2. Run dialer and type *#0*# (service mode will apear).
  3. Connect the phone to UART cable, choose correct COM port in port settings.
  4. Press 'Unlock' button.
  5. Paste MSL code in new opened window and press 'OK'.
 
    Reading codes using sever:
  1. Power on the phone.
  2. Tap 7 times on 'Build number' in 'Settings'-'About phone' 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 apear.
    (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-G935A
Software version: 28.6

Checking Login and Password... OK
Balance: 50 crd.
Waiting ADB device...
Please, allow USB debugging on phone... OK
Reading phone info...
Model: SAMSUNG-SM-G935A
Android version: 7.0
Product code: SM-G935AZSA
Phone version: G935AUCU4BQD4
PDA version: G935AUCU4BQD4
CSC version:
CSC country code:
CSC sales code:
HW version: REV0.7
Phone SN: R38H40GD1EX
Chip name: MSM8996
Modem board: MSM8996
Security patch: 2017-04-01
RF cal date: 2016.04.15
IMEI:
Rebooting phone... OK
Waiting ADB device... OK
Rebooting phone... OK
Waiting ADB device... OK
Initialization zTool... OK
Running zTool, please wait...
Start... OK
Initialization... OK
Generate and check client proof... OK
Verify proof by client... OK
Reading data from phone... OK
Searching Ramdump interface... COM6 detected
Reading data from phone... OK
Calculating... error (2)

Done with Samsung Tool PRO v.28.6