Samsung G950f Network unlock fails [Answered]

[ellisony]

UNLOCK INSTRUCTIONS:
Unlocking with original MSL code:
Warning! Knox warranty must be active (0x00)!
If you have it voided (0x01(void)), then you can't unlock this phone with MSL.
1. Phone must be powered on.
2. Type *#0808# and select 'DM+ACM+ADB'.
3. Run dialer and type *#0*# (service mode will appear).
4. Connect the phone to USB cable, choose correct COM port in port settings.
5. Press 'Unlock' button.
6. Paste MSL code in new opened window and press 'OK'.

To read security 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, select 'Read codes ...' algo,
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 [UPLOAD 2021]
Selected model: SM-G950F
Software version: 44.15

Checking Login and Password... OK
Balance: 24 crd.
You have 24 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-G950F
Android version: 9
PDA version: G950FXXUCDVG4
CSC version: G950FEVRCDUC2
Phone version: G950FXXUCDUD1
Product code: SM-G950FZKAEVR
CSC country code: UK
CSC sales code: EVR
Carrier ID: EVR
Phone SN: RF8KB231FDR
IMEI: 352802103292630
HW version: MP 0.700
RF cal date: 20181117
Chip name: EXYNOS8895
Modem board: SHANNON355
Security patch: 2021-04-01
Boot Warranty bit: 0
SIM State: NETWORK_LOCKED
Rebooting phone... OK
Waiting ADB device... OK
Waiting for device to become ready... OK
Initialization zTool Loader... OK
Running zTool, please wait... OK
Loading... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading lock state... OK
Searching Samsung modem... detected COM10
Your phone is requesting a MCK(Freeze) code. What code do you want to calculate? MCK(Freeze)
Executing... OK
Searching Ramdump interface... COM28 detected
Rebooting phone... OK
Waiting ADB device... OK
Waiting for device to become ready... OK
Reading ramdump data from phone... OK
Calculating... error (2)
Could not find data. Please try again.
Done with Samsung Tool PRO v.44.15 [SM-G950F,Read Codes via Server [UPLOAD 2021]]

[Z3X]

Hello. Flash G950FXXUCDUD1 modem and repeat operation.

[johnny50]

Originally Posted by Z3X

Hello. Flash G950FXXUCDUD1 modem and repeat operation.

Did that same story .. could not find data

[Z3X]

Originally Posted by johnny50

Did that same story .. could not find data

Missed with modev version. Need DUD2 modem and DUD1 AP. Then read codes.