Samsung SM-G975U ATT&T Unlock issues

Question

Samsung SM-G975U ATT&T Unlock issues

I am trying to unlock a AT&T locked phone but I am getting this error message when I try to do so

https://z3x-team.com/check-your-phone/ shows the Baseband being supported for:

Unlock SPR using credits

5crd

G975U1UES6GUG1, G975USQS1ASDA, G975USQS2ASF7, G975USQS2BSIA, G975USQS2BSIV, G975USQS2CSL1, G975USQS3CTA3, G975USQS3CTB6, G975USQS3DTD7, G975USQS4DTF6, G975USQS4DTG1, G975USQS4ETJ1, G975USQS4ETK2, G975USQS4FUA1, G975USQS5GUF1, G975USQS6GUI1, G975USQS8IVL1, G975USQU1ASAT, G975USQU1ASBA, G975USQU1ASC8, G975USQU1ASD5, G975USQU2BSGJ, G975USQU2BSIO, G975USQU2CSKP, G975USQU3DTE8, G975USQU4FTLN, G975USQU5GUCG, G975USQU5GUE2, G975USQU6HULD, G975USQU6IVC7, G975USQU6IVE5, G975USQU6IVH2, G975USQU7AVH1, G975USQU7IVH3, TEST

The baseband for the phone that I am trying to unlock is G975USQS8IVL1

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' 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.)

To unlock 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 'Unlock SPR via Server NEW' 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-G975U
Software version: 45.0

Checking Login and Password... OK
Balance: 40 crd.
You have 40 credit(s) left. This operation takes 5 credits. Continue? Yes
Waiting for device to become ready... OK
Reading phone info...
Model: SM-G975U
Android version: 12
PDA version: G975USQS8IVL1
CSC version: G975UOYN8IVL1
Phone version: G975USQS8IVL1
Product code: SM-G975UZBAATT
CSC country code: USA
CSC sales code: ATT
Carrier ID: ATT
Phone SN: R38M4000SXV
IMEI:
HW version: REV1.0
RF cal date: 2019.03.30
Chip name: SM8150
Modem board: SM8150
Security patch: 2022-12-01
Boot Warranty bit: 0
SIM State: NETWORK_LOCKED
Initialization zTool... error (1)

Done with Samsung Tool PRO v.45.0 [SM-G975U,Read Codes via Server]

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' 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.)

To unlock 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 'Unlock SPR via Server NEW' 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: Unlock
Selected model: SM-G975U
Software version: 45.0

Checking Login and Password... OK
Balance: 40 crd.
You have 40 credit(s) left. This operation takes 5 credits. Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-G975U
Android version: 12
PDA version: G975USQS8IVL1
CSC version: G975UOYN8IVL1
Phone version: G975USQS8IVL1
Product code: SM-G975UZBAATT
CSC country code: USA
CSC sales code: ATT
Carrier ID: ATT
Phone SN: R38M4000SXV
IMEI:
HW version: REV1.0
RF cal date: 2019.03.30
Chip name: SM8150
Modem board: SM8150
Security patch: 2022-12-01
Boot Warranty bit: 0
SIM State: NETWORK_LOCKED
This phone has CSC(ATT) and CarrierId(ATT) and unlock is not supported by this method

Done with Samsung Tool PRO v.45.0 [SM-G975U,Unlock]

asked Feb 25, 2023 in Samsung Tool by JreTechService (120 points)

1 Answer

Dimidrolus · Answer 1 · 2023-02-25T07:36:03+0000

Hello. Supported firmwares:

Read Unlock Codes using credits
5crd
G975U1UES2ASGF, G975U1UEU2ASGB, G975USQS1ASD9, G975USQS2ASGB, G975USQS2ASGK, G975USQS2ASI6, G975USQS2BSIA, G975USQU1ASAT, G975USQU1ASBA, G975USQU1ASD7, G975USQU2ASF6, G975USQU2ASG8, G975USQU2BSIP, G975USQU3ATA2, G975USQU7AVH1

Samsung SM-G975U ATT&T Unlock issues

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1 Answer

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