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Old 01-21-2017, 06:49   #1 (permalink)
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Join Date: May 2009
Location: san fernando city la union
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sm-j120zn unlocked


No need root
Read codes only

UNLOCK INSTRUCTIONS:
To unlock NEW security type:
Phone must be rooted!
If the software can't root the phone automatically,
then you must root your device manually.
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 'Unlock' button and select 'New Unlock' for direct unlock.

To unlock OLD security type:
1. Power on the phone.
2. Connect the phone to PC with USB cable.
3. Check Samsung modem in device manager, install drivers if needed.
4. Press 'Unlock' button and select 'Unlock' for direct unlock.

To read security codes (all security types):
1. Power on the phone.
2. Connect the phone to PC with USB cable.
3. Check Samsung modem in device manager, install drivers if needed.
4. Press 'Read codes' button to read security codes.

To reset Google account activation lock:
1. ADB must be activated in any way (you can flash sBoot from combination firmware,
make sure, that you are not upgrade sBoot).
2. Connect phone to PC with USB cable, install drivers if needed.
3. Select device in ADB settings.
4. Press 'Reset FRP' and follow the instructions in program.
5. When process done, press 'Back' on phone and perform factory reset from phone settings.

To reset Google account activation or Samsung reactivation lock:
1. Power on phone in download mode (turn off phone, press vol.down + home + power).
2. Connect phone to PC with USB cable, install drivers if needed.
3. Press 'Reset FRP/React/EE' to deactivate Google/Samsung/EE account activation lock.
4. After phone reboot, go to settings and perform factory reset.

Operation: Read Codes
Selected model: SM-J120ZN
Software version: 27.7

Searching Samsung modem... detected COM50
Reading phone info... Ok
Model: SM-J120ZN
AP version: J120ZNDVU1APF9
CSC version: J120ZNTNX1APG2
CP version: J120ZNDVU1APG1
Product code: SM-J120ZZDNTNX
Phone SN: R58HA03XD4J
Unique number: CFN00700DDC7883
Reading IMEI... Ok
IMEI: 357762070629476 (SIGN: OK)
Checking hash file... Ok
Reading data from phone... Ok
Modem board: SHANNON308
HWID: AB B7 1E 68 E2 08 BB EB 4A EA 8F 72 DC D5 2F 48
Reading NV data... Ok
Checking NV data... Ok
Calculating... Ok
Please wait, calculating codes... OK (time - 00:00:04)
Freeze code: 84920938
NET lock: 15397248
SUB lock: 00000000
SP lock: 00000000
CP lock: 00000000
SIM lock: 00000000
For check lock status: *#7465625#

Done with Samsung Tool PRO v.27.7
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Old 06-16-2017, 07:44   #2 (permalink)
Junior Member
 
Join Date: Mar 2007
Posts: 9
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Samsung J120ZN unlock

Operation: Read Codes
Selected model: SM-J120ZN
Software version: 28.2

Searching Samsung modem... detected COM154
Reading phone info... Ok
Model: SM-J120ZN
AP version: J120ZNDVU1AQB2
CSC version: J120ZNTLP1AQB1
CP version: J120ZNDVU1AQB1
Product code: SM-J120ZZKNTLP
Phone SN: R58J51W56BR
Unique number: CFN00344FF0B734
Reading IMEI... Ok
IMEI: 35xxxxxxxxxxxxx (SIGN: OK)
Checking hash file... Ok
Reading data from phone... error (0)
Try downgrade modem if possible
Done with Samsung Tool PRO v.28.2


It can't unlock this samsung j120ZN, please help. Thank you
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Old 06-16-2017, 12:10   #3 (permalink)
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Location: future
Posts: 22,431
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Donate money to this user
Quote:
Originally Posted by wendybui View Post
Operation: Read Codes
Selected model: SM-J120ZN
Software version: 28.2

Searching Samsung modem... detected COM154
Reading phone info... Ok
Model: SM-J120ZN
AP version: J120ZNDVU1AQB2
CSC version: J120ZNTLP1AQB1
CP version: J120ZNDVU1AQB1
Product code: SM-J120ZZKNTLP
Phone SN: R58J51W56BR
Unique number: CFN00344FF0B734
Reading IMEI... Ok
IMEI: 35xxxxxxxxxxxxx (SIGN: OK)
Checking hash file... Ok
Reading data from phone... error (0)
Try downgrade modem if possible
Done with Samsung Tool PRO v.28.2


It can't unlock this samsung j120ZN, please help. Thank you
answer in log, just follow it.
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Old 12-06-2017, 01:16   #4 (permalink)
Freak Poster
 
Join Date: May 2010
Posts: 125
Member: 1302063
Status: Offline
Thanks Meter: 4
followed the log but still can't unlock it.

Waiting ADB device... OK
Reading phone info...
Model: SM-J120ZN
Android version: 5.1.1
Product code: SM-J120ZZKNTLP
Phone version: J120ZNDVU1AQB1
PDA version: J120ZNDVU1AQB2
CSC version: J120ZNTLP1AQB1
CSC country code: Australia
CSC sales code: TLP
HW version: MP 0.400
Phone SN: R58J92S0ZGP
Chip name: EXYNOS3475
Modem board: SHANNON308
Security patch: 2017-02-01
RF cal date: 20170914
IMEI: 25159253xxxxxx
Checking Super user right... false
Root your phone manually and then repe
Done with Samsung Tool PRO v.30.1
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Old 03-22-2018, 10:58   #5 (permalink)
Major Poster
 
Join Date: Jul 2014
Posts: 39
Member: 2215902
Status: Offline
Thanks Meter: 0
Hi!

Please give me link for root file samsung J120ZN.

I REALLY NEED IT. I did google search and can not find any.

Thank you

Tommy
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