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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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Overall Rating : 24

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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. re7naldo



    Hey. I really need the stock rom of this phone because I messed up and now I'm stuck at boot loop. Smart me didnt even do a backup before so please can you upload the rom here. I would really appreciate it :D

  2. 07/28/2016


    Thanks your hard work, working my SM-J320FN SC9830I :)  

    P.S.  Step 5 on my video, if someone doesn't understand


  3. 07/28/2016


    Thanks your hard work, working my SM-J320FN SC9830I :)  

    P.S.  Step 5 : Just copy root.img the internal SD thats all :) Look my video, if someone doesn't understand


  4. 04/18/2016

    have the same phone but phone keeps resterting on samsung logo j320fn

  5. 06/12/2013

    United Kingdom

    Tried this and got boot loop at the logo. I then did the factory reset and now it reboots at the set up/language screen. Help!

    • 06/12/2013

      United Kingdom

      I ended up downloading and reflashing the stock ROM to bring the phone back to life – Any new rooting methods since the August updates of 2016?

  6. 08/30/2016

    South Africa

    This worked perfectly and i'd recommend this method to anyone trying to root the J320FN.  Thank you.

  7. 03/01/2015


  8. 08/31/2016

    United Kingdom

    I have followed the above procedure and now have a reboot loop.

    I have tried going back to the 'stock' md5 file with no effect.

    Any suggestions?

  9. 08/31/2016

    United Kingdom

    Just realised, it's step 5 I didn't do properly. Any way to move the file while it's stuck in a reboot loop? Or do I need to try something else?

  10. 08/31/2016

    United Kingdom



    I managed to rescue my phone by flashing a full firmware using ODIN. I have re-checked this procedure and I DID in fact put the root.img file in the right place.


    I therefore have to conclude that this procedure does not work for more up to date phones. I only bought mine a few days ago so maybe something has changed in teh most recent version?


    I'll stick without root for the time being.

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