How to Convert Galaxy S4 into Galaxy S7! - Page 2

Note: I was able to get it working fine on my T-Mobile Galaxy S4 but was having some reboot/touchscreen issues at random times, not sure if this is an issue with my S4 but if it happens to you, it must be the ROM.   But works 100% flawless on my GT-i9505 S4.  This ROM may also work on other variants which I am still testing out and should have an update on that too.


Download Thor S4 ROM for Galaxy S4 (for GT-i9505, T-Mobile SGH-M919, Canadian SGH-i337M)


For fail-proof installation, see How to Install Android Marshmallow ROM using TWRP!

To install, reboot into recovery, make backup ROM, format /system, wipe data/factory reset, install ROM.  (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.)

If you are having call issues or other issues, try installing the “Fixes” which has several fixes for bugs.

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


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

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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27 Responses

  1. Khalid0581 says:

    I had s4 sprint l720
    Can it work fine with me

    Thank you

  2. vishesh says:

    i have s4 gt-i9505
    i have installed the thor rom and when i turn on my mobile , it asks the sim pin…after that when using the phone normally. i cannoot make phone calls or send messages, it says (mobile network not available)…
    how to resolve this

  3. Paul says:

    I have an SGH-M919 running android 4.4.4 rooted and every time I try to install any ROM I get a kernel error… any ideas

  4. vikas says:

    hey i am using s4 GT9500 but when i install this rom it turned off after completing 53%

  5. Darron Scott says:

    The network connections arent working i.e the sim card , it disconnects every 5-6 seconds and then reconnects. It wont let me even search for available networks

  6. gwaraa says:

    am have tried to look exactly where exactly the link for marshmallow is but i didn’t saw. i end up to read explanation only. please try to make things easy for others..

  7. Netflame says:

    Installed on sgh-i337M

    Installation was successful. Experiencing network drops and random reboots. Any Idea how to fix?

  8. Amanda Barnes says:

    I have an SGH-M919 and was able to install with your instructions. The issues I experienced were random reboots and the cell network had to be input manually.

    I used the fixes offered; but it did not fix the shut down issue, and it locked me out of manually setting up the cell network. I would have liked to keep using it, but the random shutdowns and lock out were too much for me. Otherwise a nice option.

    I can’t wait to see it with the bugs fixed!

    • Amanda Barnes says:

      Okay. Tried it out again, but this time I noticed the phone was receiving cellular signals just fine up to the EULA point. So, I wiped the phone and tried again. This time I unchecked the Samsung notice (I think it was some kind of data agreement) but agreed to the EULA in the pop up. The signal remained, for the most part. There were a few drops here and there, but not nearly as much as when the the Samsung data thing was checked. Even though it was working, I still went in and updated the APN manually with the correct T-mobile settings.

      It still randomly reboots, unfortunately that was not fixed.

      • James says:

        this rom is very annoying for m919 it restarts every 3 seconds

        • Amanda Barnes says:

          I have the 1.5 version of Thor S7 running on my phone with no forced reboots. It seemed like flashing the Imperium LL v4.3 kernel was key. I flashed the ROM, then the kernel, then the patch, then the Xposed framework for the ROM before letting the phone reboot. The Xposed framework is optional for most people, but I needed it to run Root Cloak.

          I still needed to add the correct APN settings.

          The issues I have with the 1.5 are the same issues stock S7 users have. 🙂

          As always, backup your phone incase things go sideways. Good luck!

        • Amanda Barnes says:

          Oh! And I forgot to mention, the first time the phone boots it could take more than 15 min, the forum said 10 min, but it took much longer for me, due to the number of apps I have.

          You also need to uncheck the the data agreement. When setting up your phone. Your cell signal will suffer (as in will drop and pick up in quick succession, on loop) if you don’t.

  9. yash says:

    Its working for i9500?????

  10. mo7amed says:

    I have the 1.5 update on Galaxy S4(i9505) and every time I open the camera on the selfie mode the camera app crashes

  11. s\dgsd says:

    where is the download

  12. Ammad says:

    Hi i was downloading thor rom for my galaxy s4 t mobile but the sim is unlocked
    And the downloading stopped suddenly and shows the message that link is expired so what should i do know

    • Amanda says:

      Were you able to get it to download? If not, have you tried to Google the ROM, you should be able to find it, or just click on the links in the credit section.

      Good luck!

  13. khalid says:

    I havet s4 19506 and which rom do i install to get s7 tom

  14. advanced Android says:

    Garbage stay clear of this ROM….

  15. Alio says:

    I have Gt 9505i all settings are work fine but there is a random error when the phone is in motion ,,pls give me asolution

  16. Sadiq says:

    Guys I need your help, I rooted my phone via KingRoot and this didn’t install with any custom recovery. I want to install a custom recovery to flash a ROM, but I don’t know if my bootloader is unlocked. I have the S4 i9505 and i have knowledge of it having a custom ROM flashed in the past, but I still want to be sure because it may brick my phone if the bootloader is locked. Please help asap. Thanks

  17. dananjaya says:

    hai i,m already try this all is work but mobile signal is problem signal coming five second and going away, what to do i have no idea about this issue. my 4n is s4 gti9505

  18. princep says:

    I have galaxy s4 active which room should i have to install to convert into s7 active

  19. Rahul says:

    Please untick ‘diagnostics ‘ at the time of first boot.
    It will definitely remove network issues.

  20. Daanyaal says:

    Do you guys think this will work on the gt-19195

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