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  1. Thread Author  Thread Author    #1  

    Exclamation HELP: S3 doesn't turn on, keeps flashing "Samsung Galaxy S3 GT-i9300"

    Well, since yesterday my Galaxy S3 can't turn on, just keeps flashing S3's logo. I have read a lot of threads here in this forum, but I could not conclude anything. The cellphone doesn't respond, if I press for long time power+home button, nothing happens. If I take the battery off and try to turn it on again, nothing happens. I am really desperated and I need help!!

    The phone is not rooted, and is updated with the last Jelly Bean available (4.2.1).
    I have filmed a short video, just to illustrate what is happening: (as you can see, its screen is really ugly. I have dropped it more then a year ago, so I guess this problem is not related to this drop).
    I have not tried to hard reset it, because I still have hope to recover the all the info. Is it possible to recover this informations? Is it possible to recover the cellphone???

    Thanks!
  2. #2  

    Default Re: HELP: S3 doesn't turn on, keeps flashing "Samsung Galaxy S3 GT-i9300"

    You didn't mention your screen was broken, How long ago did that happen?

    Power + home isn't supposed to do anything. Try booting into recovery by making sure the phone is powered off (pull the battery, wait a few seconds, then put it back in). The press and hold power, home and volume UP. Hold all three buttons until the Samsung logo appears, then release all three buttons. If the recovery menu appears, use the volume buttons to select factory reset, then press power, and see what happens.

    If that doesn't work, see if you can boot into download. Again, power off. Then press and hold power, home, and volume DOWN. When / If you see a warning screen press volume UP. If this says Downloading, and gives you a message about not disconnecting the phone, you can pull the battery to power down. Let us know what happens.
    Last edited by meyerweb; 09-17-2013 at 07:47 AM.
    PLEASE, when asking for help provide as much information as possible. We can't help unless we know what the symptoms are and what you did before they began.

    If I've helped you, please click the "Thanks" button.

    Have a Galaxy S3? Click here ==> Everything you wanted to know about your Galaxy S3
    Thanked by:
  3. #3  

    Default Re: HELP: S3 doesn't turn on, keeps flashing "Samsung Galaxy S3 GT-i9300"

    Quote Originally Posted by hacepo View Post
    I have not tried to hard reset it, because I still have hope to recover the all the info. Is it possible to recover this informations? Is it possible to recover the cellphone???
    Be aware that if you perform a Factory Reset as suggested above you'll lose anything that's not saved on the SDCard (if you have one) - of course, any information that you have synced with your Google account will be Ok. And unless the phone will boot normally there's really no way to backup the information.

    If the phone will boot into Download mode then you should be able to reload the stock firmware, either using the Kies software on your PC or using Odin.

    What model/carrier do you have?

    Sent from my rooted, debloated, deodexed Sinclair ZX-80 running CM 10.2 using Tapatalk 2
  4. #4  

    Default Re: HELP: S3 doesn't turn on, keeps flashing "Samsung Galaxy S3 GT-i9300"

    I have samsung Galaxy S3
    There is an error occurred
    Unfortunately Google Play Store has stopped this error appeared between 2 seconds on and on and my mobile goes very much slow. I switched enabled in downloads .even i have dpne factory reset by again and again this problem creates. this problem can't be sought out? even i use use play store through wifi (broadband).
  5. #5  

    Default Re: HELP: S3 doesn't turn on, keeps flashing "Samsung Galaxy S3 GT-i9300"

    nishu,
    You do realize that your post has nothing to do with the thread that you've hijacked? And that there are several other threads already that deal with this issue?

    It would be highly desirable if you deleted your previous post and reposted in an appropriate topic.

    Sent from my rooted, debloated, deodexed Sinclair ZX-80 running CM 10.2 using Tapatalk 2
  6. #6  

    Default Re: HELP: S3 doesn't turn on, keeps flashing "Samsung Galaxy S3 GT-i9300"

    Hi. Mine has started doing the exact same thing just today. Mine has not been dropped or damaged in any way and is not rooted. I had problems with it last week, freezing and rebooting and solved that with 'dummy file generator' but today this fault has now started. Seriously fed up with the problems with this phone lately, which I loved until a couple of weeks ago. If anyone has any fixes for this latest problem I'd be very grateful for them ?
  7. #7  

    Default Re: HELP: S3 doesn't turn on, keeps flashing "Samsung Galaxy S3 GT-i9300"

    Suzie:

    Instead of saying "exactly the same thing" in a thread that has at least two different issues described, it would be helpful to describe exactly what's happening. I'm going to assume you have the same problem as described in the first post.

    I'm not familiar with the "dummy file generator." What does that do, and what problem is it supposed to solve.

    What version of the S3 do you have, and what, if anything, have already done to try to fix it? Have you tried booting into recovery or download, as described in post #2?
    PLEASE, when asking for help provide as much information as possible. We can't help unless we know what the symptoms are and what you did before they began.

    If I've helped you, please click the "Thanks" button.

    Have a Galaxy S3? Click here ==> Everything you wanted to know about your Galaxy S3
  8. #8  

    Default Re: HELP: S3 doesn't turn on, keeps flashing "Samsung Galaxy S3 GT-i9300"

    There seems to be some thought that using Dummy file generator: prevents problems with sudden death or freezes/resets on the International SGS3. I'm not sure of the rationale behind it but what do I know.

    I thought there were other ways to deal with sudden death, if indeed that's the new problem that Suzie is facing, but it seemed like those steps had to be taken before the problem was manifested.

    Sent from my rooted, debloated, deodexed Sinclair ZX-80 running CM 10.2 using Tapatalk 4
  9. Thread Author  Thread Author    #9  

    Default Re: HELP: S3 doesn't turn on, keeps flashing "Samsung Galaxy S3 GT-i9300"

    Well, since I created this thread, I broke my phone LCD, I passed for more than a month without cellphone, and I replaced its LCD. Than, for my horror, the problem is back.
    When it blinks the "Samsung Galaxy S3" logo, there is nothing I can do. If I pull out the battery, when I put it back on, the cell continues flashing nothing happens. Than, after too much trying, it turns on, and works until this happens again. That "turn off/restart" window appears and it happens, blinking the logo eternally.
    I've filmed again what it is happening:

    It is an international unlocked version, model GT-i9300
    Can anybody save my cell phone's life?? Thanks really much, in advance!
  10. #10  

    Default Re: HELP: S3 doesn't turn on, keeps flashing "Samsung Galaxy S3 GT-i9300"

    Can you boot into Download mode?

    Sent from my rooted, debloated, deodexed Sinclair ZX-80 running CM 10.2 using Tapatalk 4
  11. Thread Author  Thread Author    #11  

    Default Re: HELP: S3 doesn't turn on, keeps flashing "Samsung Galaxy S3 GT-i9300"

    Yes, I can. I can enter at Download mode menu.
    Actually, sometimes it turns on and I can use it. Until it happens again, and keeps some hours flashing Samsung's logo. It's really strange.
  12. #12  

    Default Re: HELP: S3 doesn't turn on, keeps flashing "Samsung Galaxy S3 GT-i9300"

    If you can boot into Download mode you may want to try reloading the firmware using the Kies software on your PC.

    Sent from my rooted, debloated, deodexed Sinclair ZX-80 running CM 10.2 using Tapatalk 4
  13. #13  

    Default Re: HELP: S3 doesn't turn on, keeps flashing "Samsung Galaxy S3 GT-i9300"

    I have done the volume down/menu/start as advised since my phone just keeps flashing the "SAMSUNG" start up thing but wont go any further. It is now stuck showing the green Android guy, screen says "Dowloading..." and underneath says "Do not turn off target !!" How long does this last and what should I be expecting...any ideas?
  14. #14  

    Default Re: HELP: S3 doesn't turn on, keeps flashing "Samsung Galaxy S3 GT-i9300"

    Quote Originally Posted by Alpacoev View Post
    It is now stuck showing the green Android guy, screen says "Dowloading..." and underneath says "Do not turn off target !!" How long does this last and what should I be expecting...any ideas?
    That screen with the Android guy is the Download mode screen - it'll sit there forever (or until the battery dies) waiting for you to initiate a firmware download. If you want to exit Download mode you have to pull the battery (or successfully complete a firmware download and it'll reboot itself). (Edit: BTW, being able to get into Download mode is a good thing - it means your phone isn't totally borked.)

    Here's an overview of what to do:
    - if you don't already have the Kies software installed on your PC, download it (just search Google) 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 10.2 using Tapatalk 4
    Last edited by GSDer; 10-30-2013 at 04:17 PM.
  15. #15  

    Default Re: HELP: S3 doesn't turn on, keeps flashing "Samsung Galaxy S3 GT-i9300"

    Okay this might sound out of topic but I did what you said by "connecting the phone to my PC with the USB cable that came with the phone" and kies won't connect to my device. I've tried it a couple of times too. Does this have anything to do with this problem or is it something else?
  16. #16  

    Default Re: HELP: S3 doesn't turn on, keeps flashing "Samsung Galaxy S3 GT-i9300"

    Assuming that you're following the steps above, and have selected THE SECOND item in the Tools menu, you should be able to ignore any message in the Kies window about the phone not being connected and just progress through the dialog that prompts for the model number and IMEI/Serial Number.

    Sent from my rooted, debloated, deodexed Sinclair ZX-80 running CM 10.2 using Tapatalk 4
  17. #17  

    Default Re: HELP: S3 doesn't turn on, keeps flashing "Samsung Galaxy S3 GT-i9300"

    Hello, Im having the same problem too. How did you fix it??? =)
  18. #18  

    Default Re: HELP: S3 doesn't turn on, keeps flashing "Samsung Galaxy S3 GT-i9300"

    hello, i have the same problem. Is there anyway you can help me ?
  19. #19  

    Default Re: HELP: S3 doesn't turn on, keeps flashing "Samsung Galaxy S3 GT-i9300"

    The Recovery option worked great! I had all my apps and info backed up to a cloud service so once the phone re-set, it pulled everything down and I was back up and running within an hour. There's some VERY minor personalization tweaks that need to be done soon (backgrounds, call sounds, etc...) but nothing compared to having a brick for a phone.

    Good advice
  20. #20  

    Default Re: HELP: S3 doesn't turn on, keeps flashing "Samsung Galaxy S3 GT-i9300"

    I am having the same issue also. I have downloaded Kies, but now whenever i attempt to access the download menu, the green man flashes for a split second and then goes back to the samsung logo :\. Any ideas?
  21. #21  

    Default Re: HELP: S3 doesn't turn on, keeps flashing "Samsung Galaxy S3 GT-i9300"

    You don't have a cable connected when you're trying to boot into Download mode, correct?

    Have you tried pulling the battery, then booting into Download mode?

    If the phone won't stay in Download mode then we're out of options. You could try finding a JTAG service and they might be able to recover it. Otherwise it's time for Samsung repair or insurance replacement.

    Sent from my rooted, debloated, deodexed Sinclair ZX-80 running CM 10.2 using Tapatalk 4
    Thanked by:
  22. #22  

    Default Re: HELP: S3 doesn't turn on, keeps flashing "Samsung Galaxy S3 GT-i9300"

    Yeahh i was trying them. After many attempts i did manage to reinstall the firmware, and do a factory reset. The phone then worked fine for a couple of hours before playing up again XD. Im beginning to think it may be a problem with the battery. I am thinking this as currently my phone is dead and charging, and the battery logo keeps flicking from empty to slightly charged.
  23. #23  

    Default Re: HELP: S3 doesn't turn on, keeps flashing "Samsung Galaxy S3 GT-i9300"

    Hi, I am encountering an error while in the "Proceed to firmware emergency recovery" part. My phone keeps on going out of the "downloading... do not turn off target!!!" and it just goes to the charging screen flickering from an empty battery to a slightly charged battery on the screen. please help!
  24. #24  

    Default Re: HELP: S3 doesn't turn on, keeps flashing "Samsung Galaxy S3 GT-i9300"

    You probably need to have a battery with much better charge on it. Let it charge for a couple of hours, or borrow another battery, and try again.
    PLEASE, when asking for help provide as much information as possible. We can't help unless we know what the symptoms are and what you did before they began.

    If I've helped you, please click the "Thanks" button.

    Have a Galaxy S3? Click here ==> Everything you wanted to know about your Galaxy S3
  25. #25  

    Exclamation Re: HELP: S3 doesn't turn on, keeps flashing "Samsung Galaxy S3 GT-i9300"

    I have the same problem of the phone restarting and getting stuck on the "samsung Galaxy GT..." logo...and after that it keeps rebooting...but luckily,when i keep pressing the power button on for a few seconds the phone comes back to life....but the problem of the restart keeps happening every now and then....
    please help me with what to do....i know that you have stated many ways of solving it but my problem is a bit different as i can still use my phone with this problem...i face it only at times (more often recently)...
    moreover if i re download the firmware via the download mode using kies,will i lose all my data like in factory reset?
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