EZRom for Galaxy S — The Easy and Safe Way to Install (or revert back) to Android 2.2 (Froyo)

The last month — March ‘11 — was quite hectic for Samsung Galaxy S as the phone tasted its first Gingerbread ROMs by way of leaks — XXJV1 and XXJVK. Obviously, there were custom ROMs released too, that were based on the leaked ROMs. We tried the ROMs and felt delighted too. But all that summed up to the fact that we had put our Galaxy S to lots of trials with Android 2.3 and it became imperative that we shared with you an article which tells about ‘how to revert back to Android 2.2 nice and safe’.

Also, those of you who are still on Android 2.1 (Éclair), use this guide to install pre-rooted Android 2.2 on your phone so that you can try the Android 2.3 stuff or other custom  ROMs.

So, here it is. Although there are many ways — I mean, the ROMs, both custom and stock — I’ve picked up the EZRom which I’ve used quite a few times and looks good to me. The EZRom uses a different Odin than what we’ve been using for so long, Odin3. The new Odin is called EZOdin and it’s different looks-wise. The EZBase ROM will install the following stuff to your phone:

  1. Android 2.2 (Froyo) – JVE
  2. Phone’s already rooted
  3. Apps — SuperUser, Titanium Backup, ROM manager, etc.

It’s plain and simple and already roots your phone, so, I like it.

EZRom installation video:

Although there is a very informative guide already available (Get the .PDF file here) from the developer himself, but here’s my instructions set:

  1. Download required files [PREMIUM HOTFILE LINKS]:
    1. EZbase-CSC-XXJV1.tar.md5
    2. EZbase-PDA-XWJS3.tar.md5
    3. EZbase-PHONE-XXJVE.tar.md5
    4. EZodin
    5. EZbase.pit
    6. 64bit Samsung USB Drivers (No need for Kies)
    7. 32bit Samsung USB Drivers (No need for Kies)
  2. Don’t extract any of the file. Don’t play with them in any way.
  3. If you don’t have drivers installed or just in case want to re-install them for safety, uninstall them first and reboot your PC. The, install the drivers from step 1.6 or 1.7 above as applicable to your windows.
  4. Switch Off your Galaxy S. Wait for vibration to confirm complete Switch Off.
  5. Put your phone into ‘Download Mode‘ using the three button combo — “Volume DOWN + Home key + Power Button”. Don’t connect it to computer.
  6. Open EZOdin. [Looks cute than Odin3)
  7. Connect your phone to PC now. You should get the “Added” message in the message box.
  8. Check the Re-partition button first of all.
  9. Keep the Auto Reboot and Reset Time buttons checked too.
  10. Keep these boxes UNCHECKED — EFS Clear and Bootloader Update
  11. Hit the PIT tab and select EZBase.pit file at step 1.5 above.
  12. Hit PDA tab and select file at step 1.2 above — EZbase-PDA-XWJS3.tar.md5
  13. Hit Phone tab and select file at step 1.1 above — EZbase-PHONE-XXJVE.tar.md5
  14. Hit the CSC tab and select the file at step 1.3 above — EZbase-CSC-XXJV1.tar.md5
  15. Double check everything above. The EZOdin window should look like the screenshot at the top.
  16. Hit Start button. this will flash the EZRom on your Galaxy S. phone will boot up automatically.
  17. Check out your phone’s version here — Settings – About Phone.

That’s it.

Let us know your views in the comments.

62 Comment

  1. thank you. rolled back from gingerbread safely. now happily back on darky’s 9.5 🙂

  2. luis says: Reply

    Hi,

    I’m a gt-9000t user that still runs 2.1, this method is safe to upgrade my phone?, also is safe for my 3g 850 band?.

    thank’s a lot

    1. Kapil says: Reply

      I’m not sure! I don’t recommend. Sry:(

    2. herolpx says: Reply

      I’m a i9000t user too… I’ve been flashing ROMs for i9000 and everything went fine so well… I’m not recommending it, I just wanted to say that I did it and it worked fine. It’s up to you if you want to risk it.

  3. guest says: Reply

    i don’t why but, with the EZodint, it didn’t works. so i went back to the normal odin 1.7 and it works fine

    1. Nedd1524 says: Reply

      Same as. EZodin just crashes but worked fine on regular odin 1.7 

      1. Thanks, I guess I will stick to regular Odin also 

  4. Bart says: Reply

    Thanx a lot working perfect and its take only around 7 minutes. 🙂

  5. Ray says: Reply

    Hi, I was about to try this tutorial but the required file wouldn’t download. I’ve tried on 2 PC but still wont download! 🙁

    1. Shivam says: Reply

      Search our site for “EZBase ROM v3.0” it’s the latest version of EZBase ROM
      and is based XWJVB Android 2.3.3

  6. Aniket says: Reply

    the links are way to slow m dloadin at 20 kbps!!!

    1. Kapil says: Reply

      I’ll try to get you better download links…. wait for a while… couple of hrs….., I guess.

    2. Shivam says: Reply

      Okay DONE. I’ve updated the links 😀

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  7. Zums123 says: Reply

    zums

  8. Zums123 says: Reply

    P
    ut your phone into ‘Download Mode‘ using the three button combo — “Volume DOWN + Home key + Power Button”. Don’t connect it to computer.

    Why It dosen’t work for me ? And why I can’t put it in download mode ? =( !

  9. alamyr says: Reply

    Does this include Froyo bootloaders?

  10. Calvinleonard_blast87 says: Reply

    Hi Kapil, can you help me revert back to the original Froyou Firmware? I’m not good with rooting etc. is there a way to do that ?

    1. Kapil says: Reply

      Hey, the guide you see above is just more than enough for you. Follow it to
      get back to Froyo. But in case you need any assistance, feel free to write
      here. Good luck!

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  11. Jocke says: Reply

     As been asked before, does this include the froyo bootloaders? Im currently om 2.3.3JVH.

    1. Kapil says: Reply

      Yes, it has Froyo bootloaders.

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  12. Thasadar606 says: Reply

    Hi, I would like to revert to JPY, this rom is JVE . I already have the JPY.tar , I flashed from ginger back to EZrom JVE and would like to go back to JPY .could you please tell me what to do next?!

    1. Shivam says: Reply

      Just flash the JPY.tar using Odin 🙂

  13. Harryheavenly02 says: Reply

    if i wanna flash an asia stock rom like DXJPE, how to do that? i got only 1 file from samfirmware.com instead of 3 (no PHONE & CSC). i’m currently on Darky’s ROM 10.1, i wanna revert back to Froyo so i can get official update from Kies. i’m Malaysia by the way.

  14. Dapao22 says: Reply

    the installation went well! however, when i connect it back to the pc it doesnt seem to read it. when i click on the usb connection notification, it just goes back to the home screen 🙁

  15. Droid133 says: Reply

    I put my phone into download mode but then on windows it says ‘the device has malfunctioned’ and there are no drivers installed for it, yet with the phone on i can connect it fine :/.

    i made sure kies is closed but still no joy 🙁 help please

    1. Shivam says: Reply

      Just reinstall the drivers.

      To download — search for “Samsung USB Drivers” on softpedia.com

  16. yarnz says: Reply

    cannot flash back to froyo with odin…it says MD5 is invalid

    1. herolpx says: Reply

      I’m having the same problem… did you get to a solution?

  17. Craig says: Reply

    Does this work with samsung galaxy fit…???
    If not can u help me… i need to downgrade gingerbread to Froyo..
    Thanks in advance

    1. Kapil says: Reply

      No, it won’t work on Galaxy Fit. I’ll try to help you. If I find anything I
      would let you know, but give me a day or two. I know it’s urgent to you,
      it’s always is.

    2. Kapil says: Reply

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      out.

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      Internet for the past few days — and I’m sure will continue to do so.

      So, see you soon in Google+ Keep in touch. Ta Ta!

      P.S. Those of you who are curious about it, hear it directly from the Google
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  18. chuckenheimer says: Reply

    Smooth as glass install on a SPH-D700 to a DOA phone, now at Sprint. Hmm.

  19. Anonymous says: Reply

    Works for me.  Thanks.

  20. munnaraja says: Reply

    ok thanks nice veryyyyyyyyyyyyyyy nice and sucsess

  21. hardik says: Reply

    thanks man but yaar mkv file dosent play plz kuch karo

    1. Kapil says: Reply

      Hey, why don’t you install the latest Android 2.3.4 firmware, xxjvq? It’s
      pretty good ROM and works beautifully. It’s fast and has good battery life
      too. Search this website for xxjvq to find download links and installation
      guide.

      Btw, try playing the mkv files with mvideo player.

  22. Corts_mike says: Reply

    can dis work on galaxy s ntt docomo version? tnx in advance

  23. Page says: Reply

    Is required root before start the process? thanks!

  24. Page says: Reply

    Is required root before start the process? thanks!

  25. Page says: Reply

    Is required root before start the process? thanks!

    1. Kapil says: Reply

      No.

    2. Kapil says: Reply

      No.

  26. Mirza00 says: Reply

    my instalation hangs on “Set Partition” for 10 minutes now….. I don’t know what to do…

    1. Rbalima says: Reply

      im getting the same problem, how did u fix it? what did u do?

      1. Csimmie says: Reply

        i used odin 1.7 and it worked fine.

  27. Matt says: Reply

    Hi Kapil. I have a Samsung Galaxy S GT-i9000. It is stuck in a boot loop just flashing the Samsung start-up screen. I have followed your excellent instructions to the letter and the flashing process works fine with no errors. However, the phone is still stuck in the boot loop. I can get into recovery mode and download mode no problem. Do you have any ideas? Anything I can check? Thanks – Matt

  28. Wambo Mambo says: Reply

    premium hotfile links and only 400kb pro second that isnt true

  29. Faisal Chawdhary says: Reply

    my phone was stuck today at the boot up screen when I tried to root. The above mentioned procedure helped me in the first shot. Thank you very very very very much for your wonderful advise. God bless you. Faisal

    1. Kapil says: Reply

      Cool 🙂

      Try xxjvs rom — it’s based on latest Android 2.3.5 OS. Search our site to get link and guide.

  30. padoo says: Reply

    Hi. Will this work for the SGS2?

    1. Kapil says: Reply

      No!

  31. Akshat01 says: Reply

    Ok .. So i installed darky’s extreme edition for a friend . 10.2.2 . I want to install CM7 on it now .. but there is some difference .. So I needed a simple advice.. Should I got back to 2.2 and then try cm7 (was on 2.1 before than direct jump to 2.3.3) … What shall i do to install CM7 .. maybe a you can explain in a few steps .. would really appreciate.. new to android . Thanking you in anticipation

    1. Kapil says: Reply

      No need to go back to 2.1/2.2. Just disable the lagfix, if it’s enabled — search our site for guide on that.

      After disabling lagfix, install CM7 using the guide linked in the guide above.

      And then, continue from next step — after installing CM7 — in this guide.

  32. Chameera4u says: Reply

    dear friend i updated my samsung galaxy s to gingerbrid 2.3.3 and then i installed froyo 2.2.. after my phone network is not working(no Service) what i do now. plz tell me brother. 

    1. Kapil says: Reply

      Install xxjvs Android 2.3.5 firmware. It’s awesome. And don’t go back to Android 2.2 again.

  33. Anonymous says: Reply

    i try 2 times and i leve 30 min and dont finish and i start again now apear 0:[COM3] and anather 1 1:[COM4] what i must to do ? pls hellp

  34. W says: Reply

    y it show that the PDA file is invalid…??

    1. Kapil says: Reply

      Oh, no idea. But my best guess would be that while you were download the firmware/rom, your download got corrupted.
      Anyway, EZRom thing is old. Just install the latest firmware XXJW4 on your Galaxy S – http://www.theandroidsoul.com/galaxy-s-gets-official-value-pack-firmware-xxjw4-includes-touchwiz-4/

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