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'.
Unlocking TMB using sever:
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 'Unlock TMB 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.)
Unlocking SPR using sever:
1. Insert not SPR card to the phone and power it on.
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 'Unlock...' button, select 'Unlock SPR via Server',
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.)
Reading codes using sever:
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-G955U
Selected port: COM53 SAMSUNG Mobile USB Serial Port
Software version: 38.11
Checking Login and Password... unknown error
Checking Login and Password... unknown error
Checking Login and Password... unknown error
Checking Login and Password... OK
Ballance: 12 crd.
You have 12 credit(s) left. This operation takes 5 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-G955U
Android version: 8.0.0
PDA version: G955USQS5CRH1
CSC version: G955UOYN5CRH1
Phone version: G955USQU5CRF1
Product code: SM-G955UZVAATT
CSC country code: USA
CSC sales code: ATT
Phone SN: R38J601Q7PH
IMEI: 357757082364575
HW version: REV1.0
RF cal date: 2017.06.02
Chip name: MSM8998
Modem board: MSM8998
Security patch: 2018-08-01
Boot Warranty bit: 0
SIM State: NETWORK_LOCKED
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Searching Ramdump interface... COM50 detected
Reading data from phone... OK
Calculating... OK
Searching server... OK
Waiting for server answer... OK
Freeze code: 31949680
NET lock: 70307048
SUB lock: 00000000
SP lock: 00000000
CP lock: 00000000
For check lock status: *#7465625#
Done with Samsung Tool PRO v.38.11
code not accepted after code was readed succesfully
