• Title: SM-J320FN rooting (Galaxy J3(6))
  • Listed: 06/17/2016 1:25 pm
  • ROM Version:Android 5.1.1
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SM-J320FN rooting (Galaxy J3(6))

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2016.06.17 update:

- stock boot.img added

- busybox added. Just copy the new root.img to /sdcard and reboot, if  have not busybox yet.



Sorry for my english.

Because of not found a working rooting method and/or custom recovery for SM-J320FN, i think that make one based on Chainfire's scripts and tools. Thanks to him for it.

The results are a modified boot.img and an another image file with files needed for root.

ONLY FOR SM-J320FN (Spreadtrum SC9830A)!

How to:

1. Install Samsung USB driver.

2. Download Odin v3.x from anywhere.

3. Phone: Switch on the OEM unlock in Developer Menu.

4. Unzip the downloaded files.

5. Connect phone to PC (MTP mode) and copy the root.img file with File Manager to root of Phone folder (Yes, it is the inner, emulated SD)

6. Reboot to Download mode. (Turn off device and then press and hold the volume down + Home + Power buttons)

7. Press Volume up button.

  You should see FAP LOCK: OFF status!

8. Odin: You should see a COM port number. Make sure that the "Auto Reboot"and "F. Reset Time"options are only checked.

9. Click on AP button and select the unzipped J320FN_ROOT-boot.tar.md5 file.

10. Click Start.

11. After flash the phone will reboot. Then install Chainfire's SuperSU from Play.

Attention! Without SuperSU the root is working too, but you couldn't get message about if an application uses root privilegies!


If you have question about the steps, use the Google or whatever i am lazy to explain everything.



Flashing the modified boot.img will void the warranty of phone!

But you could restore the Stock State with flashing stock boot.img and with switching off the OEM unlock.

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※Please make a backup of your device before installing or updating ROM

59 Responses to“SM-J320FN rooting (Galaxy J3(6))”

  1. 06/13/2016
    Posts: 1

    Works! Thank you very much 

    • 07/27/2016
      Posts: 2

      how did you get it go go into the root folder without root proviledges???  as we have all tried to access root folder but it says to put anything ito the root folder, one has to be rooted??  and as we are all trying to get rooted this is near enough impossible..a step by step for the rest of us would be most helpful please

  2. 07/02/2015
    Posts: 3

    ciao a tutti, solo un informazione, non riesco a rootare il telefono, mi da failed,e sul device mi dice che e'bloccato ,non so come fare, se mi potete aiutare, grazie, Gianni.

    • ksanci

      Posts: 29


      I don't understand what your problem is, please add more, detailed information. In english…

      Are you sure have J320FN?? Flash back the original stock boot.img.

  3. 07/02/2015
    Posts: 3

    thank you, hello to everyone, only A Information, I can not rootare the phone, as I failed, and the device tells me: custom binary (kernel) By blocked FAP Lock, and also do not turn off target, the PC writes fail! , To turn the phone I have to remove the battery. are my and 'a galaxy J3 6 sm-j320fn thank you, Gianni.

    • ksanci

      Posts: 29

      Why you haven't read the instructions carefully?!


      Without this your bootloader remain locked and only stock boot will be permitted to run, custom boot not! The result: FAP lock

      I will not answer the "What is and where is the Developer menu"question…

      As i wrote, you must flash with Odin an original, stock boot.img, Download mode is working.


  4. 07/02/2015
    Posts: 3

    thank you very much really polite in answering and so 'I managed to make the root, I use the translator and do not always translate well. thanks again, hello. Gianni 

  5. 08/30/2015
    Posts: 1

    Thank you. Works perfectly.

  6. 06/21/2016
    Posts: 1

    sorry but where should I copy de root.img exactly

  7. 06/23/2016
    Posts: 2

    My phone has Spreadtrum SC9830I, would this still work?


  8. 06/22/2016
    Posts: 3

    Also work but when I restart phone and switch on phon booting and around restarting on Samsung logo why ?

    please help me.. i must reflash my phone with stock rom. But I wanna also root. Thanks a lot.

  9. 06/22/2016
    Posts: 3

    and please also wich TWRM can be used…

  10. 06/23/2016
    Posts: 2

    Just tried this out on my phone with Spreadtrum SC9830I, and it worked flawlessly! Thank you so much for this :)

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