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  1. Thread Author  Thread Author    #1  

    Angry Samsung Galaxy s3 SGH-T999 is stuck on Samsung logo and will not respond to anything!

    I attempted (as a beginner) to restore a galaxy s3 to factory firmware (4.0). I used Odin v3.07.
    Here are my problems:

    -The phone is stuck on the Samsung Logo screen (with the flashing blue light around logo).
    -I cannot go into any mode at all (recovery, download, etc).
    -Samsung Kies will not recognize my phone.

    So, in conclusion, I need major help. I had to downgrade in order to unlock. Now, I'm really aggravated and do not know what to do.
  2. #2  
    Golfdriver97's Avatar

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    Default Re: Samsung Galaxy s3 SGH-T999 is stuck on Samsung logo and will not respond to anything!

    Did you already have 4.3 installed?

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  3. Thread Author  Thread Author    #3  

    Default Re: Samsung Galaxy s3 SGH-T999 is stuck on Samsung logo and will not respond to anything!

    I had 4.2

    I hadn't updated because I saw that it worked with 4.1.1
  4. #4  
    Golfdriver97's Avatar

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    Default Re: Samsung Galaxy s3 SGH-T999 is stuck on Samsung logo and will not respond to anything!

    I didn't think 4.2 went to the S3. If you were on 4.3, rolling back to 4.1 will brick the device.

    Sent from my HTC One_M8 using AC Forums mobile app

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  5. Thread Author  Thread Author    #5  

    Default Re: Samsung Galaxy s3 SGH-T999 is stuck on Samsung logo and will not respond to anything!

    Yes, I updated it to 4.2 first.
    Then found that I needed to restore it to stock firmware.

    How would I go about fixing it? I have Odin and kies.
    If you don't mind, could you break it down into steps please?
    Thank you lots!
  6. #6  

    Default Re: Samsung Galaxy s3 SGH-T999 is stuck on Samsung logo and will not respond to anything!

    Are you sure you didn't have 4.1.2 installed? As Golfdriver97 noted, 4.2 never came to the S3.

    Anyway, if we assume that you didn't have 4.3 on your phone, and that you don't want it, then you should be using 4.1.2, which you can find http://www.sammobile.com/firmwares/3/?download=14509 (you'll have to register in order to access that download; sorry, the other site that I normally reference no longer posts the 4.1.2 firmware).

    Sent from my rooted, debloated, deodexed Sinclair ZX-80 running CM -0.001 using Tapatalk
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  7. #7  

    Default Re: Samsung Galaxy s3 SGH-T999 is stuck on Samsung logo and will not respond to anything!

    BTW, welcome to the forums!

    If you boot the phone into Download mode and the screen looks like this:
    ODIN MODE
    PRODUCT NAME: SGH-T999
    CUSTOM BINARY DOWNLOAD: No
    CURRENT BINARY: Samsung Official
    SYSTEM STATUS: Official
    QUALCOMM SECUREBOOT: ENABLE

    then you don't have the 4.3 bootloader component (if you see a line in there that says 'Warranty Bit' then you do, in which case DO NOT try to load the firmware that I listed).

    Sent from my rooted, debloated, deodexed Sinclair ZX-80 running CM -0.001 using Tapatalk
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  8. Thread Author  Thread Author    #8  

    Default Re: Samsung Galaxy s3 SGH-T999 is stuck on Samsung logo and will not respond to anything!

    I believe that was it. Like I said, I'm new. Thank you guys for your help.
    I already signed up for sammobile
    I have everything, just not sure what to do. I have the stock 4.0 downloaded.
    Could I use that?

    The phone is on the "firmware upgrade encountered an issue. Please select recovery mode in Kies and try again." screen currently.

    Can I fix it with Kies?
  9. Thread Author  Thread Author    #9  

    Default Re: Samsung Galaxy s3 SGH-T999 is stuck on Samsung logo and will not respond to anything!

    Quote Originally Posted by GSDer View Post
    Are you sure you didn't have 4.1.2 installed? As Golfdriver97 noted, 4.2 never came to the S3.

    Anyway, if we assume that you didn't have 4.3 on your phone, and that you don't want it, then you should be using 4.1.2, which you can find Firmwares | SamMobile | Page 3 (you'll have to register in order to access that download; sorry, the other site that I normally reference no longer posts the 4.1.2 firmware).

    Is there way that I can go back to 4.1.1? The whole reason I downgraded was to be able to unlock. I get how to do the unlock, just having trouble with the downgrading.

    Sent from my rooted, debloated, deodexed Sinclair ZX-80 running CM -0.001 using Tapatalk
  10. Thread Author  Thread Author    #10  

    Default Re: Samsung Galaxy s3 SGH-T999 is stuck on Samsung logo and will not respond to anything!

    Quote Originally Posted by GSDer View Post
    BTW, welcome to the forums!

    If you boot the phone into Download mode and the screen looks like this:
    ODIN MODE
    PRODUCT NAME: SGH-T999
    CUSTOM BINARY DOWNLOAD: No
    CURRENT BINARY: Samsung Official
    SYSTEM STATUS: Official
    QUALCOMM SECUREBOOT: ENABLE

    then you don't have the 4.3 bootloader component (if you see a line in there that says 'Warranty Bit' then you do, in which case DO NOT try to load the firmware that I listed).

    Sent from my rooted, debloated, deodexed Sinclair ZX-80 running CM -0.001 using Tapatalk
    I do have the 'warranty bit'. I just looked.
  11. #11  

    Default Re: Samsung Galaxy s3 SGH-T999 is stuck on Samsung logo and will not respond to anything!

    Ok, then you have/had 4.3, and you'll HAVE TO load the 4.3 stock firmware (lengthy explanation would go here). You can get it from Sammobile.

    You can try using Kies - you'll need to be sure you're using Kies v3 (it says that in the title bar), not v2.6. If you want to go the Kies route just select the second item in the Tools menu (Firmware upgrade and initialization) and follow the prompts.

    If you want to use Odin just follow the directions in any of the rooting sub-forums, or search online - there's tons of directions that include pictures, etc. Or come back here and I'll give you a summary.

    Sent from my rooted, debloated, deodexed Sinclair ZX-80 running CM -0.001 using Tapatalk
    Jamie Bass2 likes this.
  12. #12  

    Default Re: Samsung Galaxy s3 SGH-T999 is stuck on Samsung logo and will not respond to anything!

    Kies summary:
    - if you don't already have the Kies software installed on your PC, download it (just search Google - be sure to search for Kies v3) and install it. The first time it runs it'll update itself to the latest version so make sure you run it once before proceeding.
    - put your phone in Download mode: with the phone completely off, press and hold the Volume Down and Home and Power buttons simultaneously, and release them all when you see the Samsung splash screen
    - connect the phone to your PC with the USB cable that came with the phone
    -- if you've never had the phone connected to your Windows-based computer before, you'll see messages about installing drivers, etc - just wait until this is done (may take 5 or 10 minutes) [I don't know what happens if you have a Mac - it probably just works]
    - in the Kies software, select the second item in the Tools menu and just follow the prompts to enter the model number (in CAPS) and IMEI/Serial Number (both found under the battery - it's ok to remove the battery at this point)
    - the Kies software should start downloading the correct firmware for your phone from the Internet; once that's done (depending on your Internet connection speed) it'll begin downloading that to the phone (this probably takes 10 minutes or so)

    Sent from my rooted, debloated, deodexed Sinclair ZX-80 running CM -0.001 using Tapatalk
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  13. #13  

    Default Re: Samsung Galaxy s3 SGH-T999 is stuck on Samsung logo and will not respond to anything!

    Odin summary (since you have apparently already tried to use Odin to downgrade the firmware you're likely on the right track):
    - Put the phone in Download mode
    - Be sure to extract the contents if you downloaded a zip file
    - Start Odin and select the 'PDA' button and navigate to the file that you downloaded and select it
    - Wait a minute or two while Odin parses the file
    - Connect the phone and you'll see the COM (?) box change color
    - Select Start

    Sent from my rooted, debloated, deodexed Sinclair ZX-80 running CM -0.001 using Tapatalk
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    Jamie Bass2 likes this.
  14. #14  
    Golfdriver97's Avatar

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    Default Re: Samsung Galaxy s3 SGH-T999 is stuck on Samsung logo and will not respond to anything!

    Look this over to assist in how to use Odin:
    [Guide][Samsung] How to flash Stock ROM via ODIN

    Sent from my Nexus 5 using AC Forums mobile app

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  15. Thread Author  Thread Author    #15  

    Default Re: Samsung Galaxy s3 SGH-T999 is stuck on Samsung logo and will not respond to anything!

    I was able to recover the phone and upgrade it to 4.3 with Kies. It took a while but it just finished. I want to downgrade to 4.1.1 and I pretty much get how to use Odin to do so. I'm currently downloading the 4.1.1 zip file.

    If I go from 4.3 to 4.1 will it 'brick' it again?
    (I want 4.1.1 so that I can unlock it.)
    Last edited by Jamie Bass2; 04-29-2014 at 06:18 PM.
  16. Thread Author  Thread Author    #16  

    Default Re: Samsung Galaxy s3 SGH-T999 is stuck on Samsung logo and will not respond to anything!

    Did the galaxy s3 stock firmware have the unlock feature that was in 4.1?
  17. #17  

    Default Re: Samsung Galaxy s3 SGH-T999 is stuck on Samsung logo and will not respond to anything!

    You can't go back (complex explanation about bootloaders goes here).

    I don't know what 'unlock' ability you're referring to that was in earlier builds. If you're trying to switch carriers, and your account is in good standing, just call them and they're supposed to provide you an unlock code. The FCC is cracking down on that b/s where they refuse to give you an unlock code.

    Sent from my rooted, debloated, deodexed Sinclair ZX-80 running CM -0.001 using Tapatalk
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  18. Thread Author  Thread Author    #18  

    Default Re: Samsung Galaxy s3 SGH-T999 is stuck on Samsung logo and will not respond to anything!

    Ok, I will do that. I read that 4.1.1 came with the network unlock feature.
  19. Thread Author  Thread Author    #19  

    Default Re: Samsung Galaxy s3 SGH-T999 is stuck on Samsung logo and will not respond to anything!

    t-mobile wants $400 for the unlock code. So I'm going to root. I've heard that will allow unlocking.

    Advice, opinions..?

    And can you link me to a good tutorial on rooting?

    Thanks!
  20. #20  

    Default Re: Samsung Galaxy s3 SGH-T999 is stuck on Samsung logo and will not respond to anything!

    If you paid for the phone fully and meet the requirements, then tmobile should unlock it for you free.


    https://t-mobile.jive-mobile.com/#ji...cuments%2F1588

    dpham00, Android Central Moderator
    Sent from my Verizon Samsung Galaxy Note 3
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  21. Thread Author  Thread Author    #21  

    Default Re: Samsung Galaxy s3 SGH-T999 is stuck on Samsung logo and will not respond to anything!

    My best friend's mom gave it to me. It was her son's phone. So I don't think I meet the requirements. I will have to root I believe.
  22. Thread Author  Thread Author    #22  

    Default Re: Samsung Galaxy s3 SGH-T999 is stuck on Samsung logo and will not respond to anything!

    Thanks everyone for your help! I have the phone rooted. Now I am trying to unlock... help?!
  23. #23  

    Default Re: Samsung Galaxy s3 SGH-T999 is stuck on Samsung logo and will not respond to anything!

    Quote Originally Posted by Jamie Bass2 View Post
    I attempted (as a beginner) to restore a galaxy s3 to factory firmware (4.0). I used Odin v3.07.
    Here are my problems:

    -The phone is stuck on the Samsung Logo screen (with the flashing blue light around logo).
    -I cannot go into any mode at all (recovery, download, etc).
    -Samsung Kies will not recognize my phone.

    So, in conclusion, I need major help. I had to downgrade in order to unlock. Now, I'm really aggravated and do not know what to do.
    Hi, I know this doesn't have much to do with your topic, but can I ask how you figured out to downgrade your phone. Because I have the same phone and I'm trying to downgrade to 4.3 jellybean
  24. #24  

    Default Re: Samsung Galaxy s3 SGH-T999 is stuck on Samsung logo and will not respond to anything!

    Welcome to the forums!
    Quote Originally Posted by Jyl Stewart View Post
    can I ask how you figured out to downgrade your phone. Because I have the same phone and I'm trying to downgrade to 4.3 jellybean
    You can use a tool called Odin (just Google it - look for v3.07) and manually load the firmware, which you can find here - select your device in the drop-down list in the upper left corner.

    I don't know offhand if the Knox bootloader will generate the same problem that it does when someone tries to downgrade from 4.3 to an earlier non-Knox bootloader - YMMV.

    Sent from my rooted, debloated, deodexed Sinclair ZX-80 running CM -0.001 using Tapatalk
  25. #25  

    Default Re: Samsung Galaxy s3 SGH-T999 is stuck on Samsung logo and will not respond to anything!

    My SGH-T999 (Galaxy S3/T-Mobile) is stuck at the second Samsung screen as well, where it remains and won't finish booting up. I unlocked my phone, and it is now on the StraightTalk carrier, and I'm running off of the AT&T network, currently (I've been unlocked for approximately 3 months), and I just recently (about 3-4 days ago) rooted my phone without any problem. The day following my root, I decided to flash a ROM, but after flashing the ROM, it began to not boot up, properly or entirely. When I go into download mode and try to flash a different ROM through Odin, everything works out, but then when I turn the phone off and bring it to recovery mode, and install the zip, it says it installed, and then I reboot it. This is when my phone goes to the Samsung screen, followed by the Galaxy S3 screen, and then android rocketing, and finally the 2nd Samsung screen, where it remains. Several times when I've tried this, it has told me I have no OS, and I would like to know how to get this situation taken care of. I've wiped everything time and time again, with no luck. Any help would be GREATLY appreciated!
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