Android 6.0 + Root for Galaxy S4! [JDC Team]

android6.0-marshmallow-galaxys4

For those of you looking to experience Android 6.0 Marshmallow with full root, I have good news for you. There’s a ROM by the JDC Team (Jflte DevConnection Team) that can be installed on all AT&T, T-Mobile, Sprint, Verizon, Canadian, GT-i9505,GT-i9507, and GT-i9508 variants. (For AT&T and Verizon, you MUST have older bootloader with CWM or TWRP recovery installed!!!)

Based on Android 6.0 sources, this Android 6.0 ROM by JDC Team brings you the pure Android to your Galaxy S4.  This isn’t a CyanogenMod either so you will get all of the standard Android 6.0 features just like on a Nexus phone.

Performance is excellent and I have tested the battery life to be excellent especially with DOZE mode also working (that allows your phone to save ton more battery life on standby with Android 6.0).  Everything works out of the box including voice, data, bluetooth, etc..etc…  The camera works fine also except it sometimes force closes when switching back and forth between still and video recording but a simple restart of the camera app fixes the issue.

The only thing missing?  This ROM doesn’t support exFat format for microSD cards so make sure you format them as fat32 before using them.  Overall, this is actually one of the stable Android 6.0 ROMs I’ve tried on a non-Nexus device so definitely give it a test drive this week(end) and do let me know what you think!  But I think you will love it and finally experience Marshmallow!

Download:

Download Android 6.0 Marshmallow ROM by JDC Team (for all AT&T SGH-i337, T-Mobile SGH-M919, Sprint SPH-L720, Verizon SCH-i545, Canadian SGH-i337M, GT-i9505,GT-i9507, and GT-i9508 variants)

Download Android 6.0 Gapps

Download SuperSU

*Note – For AT&T SGH-i337 or Verizon SCH-i545, you CANNOT USE SAFESTRAP, you must have CWM or TWRP recovery installed already!

Make sure you are using CWM v.6.0.4.3 or higher to install Android 5.0+ Lollipop ROMs! Also you can use TWRP v2.6.3.3 or higher.  You can update your CWM recovery using ROM Manager app on Play Store or TWRP Recovery using Goo Manager on Play Store.  If having trouble, you can update manually, see our CWM/TWRP Recovery for Galaxy S4.  For AT&T or Verizon with Loki, see How to Update with TWRP v2.8.4.0!

To install, reboot into recovery, make backup ROM, wipe data/factory reset, install ROM, install Gapps, install SuperSU and reboot.  (If for some reason you end up in a bootloop or get force-closed keyboard error on boot, reboot into CWM recovery, go to Mounts & Storage->format /system.  For TWRP, go to Wipe->Advanced Wipe->Wipe /system.)

(First time installing custom ROM? See How to Install Custom ROM on Galaxy S4 first!)

Credits –  XDA <— Please donate to the developer of this ROM or hit Thanks button on XDA if you like it, thx!

Q&A:

Q: My 3G/4G LTE data is not working!!!
A: See How to Fix 3G/4G LTE data by Manually Setting APN on Android!

Q: I have no Play Store!
A: Make sure you install Gapps zip file in TWRP or CWM Recovery!!!  Download link in this post above.

What is a Custom ROM?

A custom ROM is a custom, modified operating system that you can install on your Android device. Basically it's like installing Windows OS on a Macbook. By installing a custom ROM, you can bypass stock factory settings like locked hotspot tether, install new Android versions early, or even convert your phone into another OS.

With a custom ROM, you can really maximize the capabilities of your smartphone by adding custom features that have been developed by open source developers.

How to Install Custom ROMs

First, you will need to root your device, if it is not rooted yet, follow our root tutorial and root your phone.

Once rooted, you should have TWRP installed on your phone. Installation of a custom ROM is easy if you learn the basic of it. If you don't know how to install custom ROMs using TWRP recovery, see our tutorial on How to Install Custom ROM using TWRP!

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10 Responses

  1. Nick says:

    So after installing this rom, I can access files on my sd card from “storage and USB” but when I connect phone to pc, sd card doesn’t show. I formatted sd card as fat32. Content on sd card such as photos and music don’t show in gallery and music.

  2. Mat says:

    Yup, I found the same issue – I guess this might have something to do with having to format the SD card as fat32. I also noticed that if I use a third party file explorer (i.e. ES File Explorer), then the SD card does not show up. Has anyone got any suggestions?

    Hopefully, this will be fixed in the next release, as otherwise the ROM works well!

  3. armand0 says:

    after installing this rom,I dont have a texting service and my mic doesnt work for google search.My bluetooth doesnt seem to work either

  4. Mat says:

    Hi armand0, just install the Messenger (the default SMS/MMS app from Google Play), but yes the mic for google search doesn’t work and nor does the bluetooth – I checked and these are know issues 🙁

  5. Wesley says:

    Max,

    I installed the Clockwork ROM Manager on my AT&T SGH-i337. Not the ‘touch’ version, just the 6.0.4.7, and now I’m getting an error ‘System software not authorized by AT&T has been found on your phone.’. This showed up when I clicked the button to create a backup ROM, now I’m not sure what to do 🙁

    Any help would be appreciated,

    Wesley

  6. Luis says:

    I send messages but i get the error that my messages didnt send but i asked the people who i sent text to if they got it they say they did but i still get “Failed to send’ error regardless i am on the sprint sphL720 model of s4

  7. Zaro says:

    Hello.
    This root will work with other 6.0 rom?

  8. Dustin D says:

    Google voice search and bluetooth not working either. Both things I use daily. Too bad because I liked this rom, guess i’ll restore back to my previous rom.

  9. Mark says:

    After several attempts to install went back to lollipop. Stayed in start up screen and wouldn’t start up.

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