UNLOCK INSTRUCTIONS:
Unlocking 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 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: Unlock
Selected model: SM-J337A
Software version: 36.8
Checking Login and Password... OK
Ballance: 9 crd.
You have 9 credit(s) left. This operation takes 8 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-J337A
Android version: 9
PDA version: J337AUCU6BSF4
CSC version: J337AATT6BSF4
Phone version: J337AUCU6BSF4
Product code: SM2J337AZKBATT
CSC country code: USA
CSC sales code: ATT
Phone SN: R28K9126DYV
IMEI: 356337091616785
HW version: REV0.7
RF cal date: 20180913
Chip name: EXYNOS7570
Modem board: SHANNON305
Security patch: 2019-06-01
Boot Warranty bit: 0
SIM State: ABSENT
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Searching server... OK
Checking server answer... modem not supported
Searching server... OK
Checking available files... not found compatible file
Try downgrade modem if possible
Done with Samsung Tool PRO v.36.8
Unlocking 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 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: Unlock
Selected model: SM-J337A
Software version: 36.8
Checking Login and Password... OK
Ballance: 9 crd.
You have 9 credit(s) left. This operation takes 8 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-J337A
Android version: 9
PDA version: J337AUCU6BSF4
CSC version: J337AATT6BSF4
Phone version: J337AUCU6BSF4
Product code: SM2J337AZKBATT
CSC country code: USA
CSC sales code: ATT
Phone SN: R28K9126DYV
IMEI: 356337091616785
HW version: REV0.7
RF cal date: 20180913
Chip name: EXYNOS7570
Modem board: SHANNON305
Security patch: 2019-06-01
Boot Warranty bit: 0
SIM State: ABSENT
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Searching server... OK
Checking server answer... modem not supported
Searching server... OK
Checking available files... not found compatible file
Try downgrade modem if possible
Done with Samsung Tool PRO v.36.8
