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  • Title: SM-J320FN rooting (Galaxy J3(6))
  • Listed: 06/09/2017 4:55 pm
  • ROM Version: Android 5.1.1
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SM-J320FN rooting (Galaxy J3(6))
SM-J320FN rooting (Galaxy J3(6)) - Image 1

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2017.06.09 update:

Modified and stock boot.img files.

ONLY FOR Mon Feb 27 20:36:15 KST 2017 KERNEL!

You can try on other versions, but if something goes wrong, you have to reinstall the boot.img from your stock firmware.

After reboot the SuperSU may update the su binaries.


2017.01.02 update:

It seems to be this method not working with new firmwares because of new boot.img.

This img has to be used only for wed Mar 16 18:51:05 KST 2016 kernels.

Maybe i will update the boot.img. Maybe… Use TWRP for rooting…

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, see the picture)

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 needed boot.img 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.

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

Donate with PayPal to ksanci

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

  1. 07/23/2016




  2. 07/28/2016


    Thanks a lot. Works like a charm. I used Linux.

    For the boot.img I used heimdall:   heimdall flash –KERNEL /path/to/boot.img –no-reboot

    It took me a while to figure out where to copy root.img to.

    While being in the directory with root.img:   adb -s <device number> push root.img /storage/emulated/legacy/



  3. 07/31/2016


    Could you please explain step 5 in detail?

    I can't copy root.img to the root folder.


  4. 08/01/2016

    United Kingdom

    That was easy. Cheers!

  5. thomaz336688


    United Kingdom

    is there a file i need to download appart from supersu if so where do it get 

    i was thiking i need to download the boot.img or whatever 


  6. thomaz336688


    United Kingdom

    Could you please explain step 5 in detail?

    I can't copy root.img to the root folder.


  7. 12/26/2014


    thanks bro

  8. thomaz336688


    United Kingdom

    I got it and also i bricked my dicive changeing the recovery to TWRP so yeah but that is my falt so it does work 

  9. thomaz336688


    United Kingdom

    i have rooted but if i use the stock.img thing will it restore my phone to factory or will i keep my apps and stuff??


  10. 03/02/2016

    Croatia (LOCAL Name: Hrvatska)

    I am seriously in a mindfuck. I cannot find root folder (even thought people like say its like SD card or something hat allows me to see folders), i dont even know what to do next apart from this ODIN part. I did everything. It passed. But still cannot install root. I need help please.

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