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  1. Thread Author  Thread Author    #1  

    Default Galaxy S3: Phone Doesn't Boot

    Hello folks,

    I have a ~1.5 year old Samsung Galaxy S3 (North American) rooted, with Cyanogenmod 11 installed.

    Ever since installing CM11, my phone has been restarting itself with some regularity.

    Today, with over half the battery left, the phone seemingly turned itself off. I do not believe this is an issue with the cyanogenmod OS and I also don't believe the issue is related to the restarting I've been experiencing. These restarts, in the vast majority of occasions, started with a brief freeze, then screen turning off, before the phone automatically starting up again. However, this time, the phone did not freeze before the screen went black, and the phone did not restart itself. I repeatedly tried pressing the power button to unlock, and when that didn't work, I tried long-pressing to either turn the phone off or back on. When that also failed to work, I pulled the battery, and put it back in. The Samsung logo came up, and then the Galaxy S3 logo with the Cyanogenmod logo came up, then the screen went black again.

    And this is where I'm at currently. After the screen goes black, I can't get it to come back on. Long pressing the power button does not turn it back on. Only when I pull the battery and put it back in, does the boot process start. Every time, during the first few seconds of the boot process, the phone turns itself off. Sometimes it only lasts until the Samsung logo, sometimes to the GS3/CM logo.

    If I plug the phone in, with the battery inserted, I briefly see a battery on the screen, but again, the phone shuts down.
    If I plug the phone in, with the battery out, the LED turns red, the phone vibrates, but nothing happens, and the LED goes out.

    I've read about power buttons getting stuck, but this doesn't seem to be the issues since my phone does not go into a boot loop sequence.

    I've tried leaving the battery out for an hour or so, but there is no change.

    I've also tried pressing power+home+vol down and power+home+vol up, and they seem to work, until again, the phone shuts off. So one of these combinations leads me to warnings about changing OS before shutting down after about the same number of seconds, and the other leads me to the boot logo with the blue text on the top left corner before shutting down.

    To me, this doesn't seem to be an issue with software, but with the phone staying powered..somehow.

    Has anyone experienced this problem or have any suggestions?

    Thanks in advance.
  2. Thread Author  Thread Author    #2  

    Default Re: Galaxy S3: Phone Doesn't Boot

    Just so I can rule out stuck power button, can someone with an S3 boot up their phone, and press and hold their power button during the samsung logo splash and during GS3 logo splash, and tell me what happens? I'd expect it to continue booting but just in case..
  3. #3  

    Default Re: Galaxy S3: Phone Doesn't Boot

    Quote Originally Posted by AnAndroidDroid View Post
    Just so I can rule out stuck power button, can someone with an S3 boot up their phone, and press and hold their power button during the samsung logo splash and during GS3 logo splash, and tell me what happens? I'd expect it to continue booting but just in case..
    clear cache and data from recovery
    the bootloop the problem solved in my n7000
    Dont' Forget to press Thank you button and like button when you get an answer
  4. Thread Author  Thread Author    #4  

    Default Re: Galaxy S3: Phone Doesn't Boot

    Unfortunately I cannot go into recovery. When I press the button combination, there are blue letters on the top left corner indicating that the phone is going into recovery, but the phone shuts off before getting to recovery.

    Also, my issue isn't exactly bootloop, which is why I'm doubting that it's a stuck power button, and I just want to rule it out with more certainty by having someone with an S3 perform what I asked in my previous post.

    I'm starting to think maybe the phone is not exactly shutting down when the screen goes black mid-boot. If it were shutting down fully, I think pressing the power button afterwards would start the boot process again. Instead, only pulling and resinserting the battery starts the boot process. Unless there is an issue with the power button, which I don't think is the case, since vol up + home + power does initiate recovery mode (again, pressing the combination after the screen has gone black does not work, but if I replace the battery whilst holding down the buttons, the phone recognizes the button presses, which means it recognizes the power button)

    EDIT: never mind, if I put the battery in while holding down ONLY vol up + home button (and NOT power button), the phone still attempts to go into recovery. Maybe the issue IS a stuck power button? Unless the whole point of holding down the power button along with the other two (under normal circumstances) is simply to turn the phone on.
    Last edited by AnAndroidDroid; 05-10-2014 at 09:30 PM.
  5. #5  

    Default Re: Galaxy S3: Phone Doesn't Boot

    Quote Originally Posted by AnAndroidDroid View Post

    I'm starting to think maybe the phone is not exactly shutting down when the own the buttons, the phone recognizes the button presses
    EDIT: never mind, if I put the battery in while holding down ONLY vol up + home button (and NOT power button), the phone still attempts to go into recovery. Maybe the issue IS a stuck power button? Unless the whole point of holding down the power button along with the other two (under normal circumstances) is simply
    to turn the phone on.
    Is the problem fixed

    Ready to help you
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  6. Thread Author  Thread Author    #6  

    Default Re: Galaxy S3: Phone Doesn't Boot

    The problem is still there. Nothing has changed, I'm just conjecturing, trying to figure out what the issue is..
  7. #7  

    Default Re: Galaxy S3: Phone Doesn't Boot

    Quote Originally Posted by AnAndroidDroid View Post
    The problem is still there. Nothing has changed, I'm just conjecturing, trying to figure out what the issue is..
    sorry for the delay
    reflash your firmware using odin
    do not downgrade this will damage the IMEI
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  8. #8  
    srkmagnus's Avatar

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    Default Re: Galaxy S3: Phone Doesn't Boot

    Quote Originally Posted by AnAndroidDroid View Post
    The problem is still there. Nothing has changed, I'm just conjecturing, trying to figure out what the issue is..
    Sounds like a bad battery. I'd suggest purchasing a replacement and give that a try.
    B. Diddy likes this.
  9. #9  

    Default Re: Galaxy S3: Phone Doesn't Boot

    I agree that it sounds like a battery issue.
  10. #10  

    Default Re: Galaxy S3: Phone Doesn't Boot

    I think it's not about the battery
  11. #11  
    Golfdriver97's Avatar

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    Default Re: Galaxy S3: Phone Doesn't Boot

    Quote Originally Posted by AnAndroidDroid View Post
    The problem is still there. Nothing has changed, I'm just conjecturing, trying to figure out what the issue is..
    A simple test if it is the battery is to take it out, place in a flat smooth surface, like the kitchen table without a table cloth and try to spin it. If it does, your battery is bulged and need to be replaced.

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  12. #12  

    Default Re: Galaxy S3: Phone Doesn't Boot

    Quote Originally Posted by srkmagnus View Post
    Sounds like a bad battery. I'd suggest purchasing a replacement and give that a try.
    This is not the battery problem, he can't enter into recovery mode. Might be the firmware problem.

    Ready to help you
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    AnAndroidDroid likes this.
  13. #13  
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    Default Re: Galaxy S3: Phone Doesn't Boot

    Quote Originally Posted by mobilecrackers View Post
    This is not the battery problem, he can't enter into recovery mode. Might be the firmware problem.

    Ready to help you
    If the battery is swollen, causing a bad connection, it can cause what looks like a reboot.

    Sent from my HTC One_M8 using AC Forums mobile app

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  14. Thread Author  Thread Author    #14  

    Default Re: Galaxy S3: Phone Doesn't Boot

    Quote Originally Posted by mobilecrackers View Post
    sorry for the delay
    reflash your firmware using odin
    do not downgrade this will damage the IMEI
    I am unable to use odin as the phone's screen turns off a few seconds after going into download mode.

    Quote Originally Posted by Golfdriver97 View Post
    A simple test if it is the battery is to take it out, place in a flat smooth surface, like the kitchen table without a table cloth and try to spin it. If it does, your battery is bulged and need to be replaced.
    The battery does indeed spin. Does that necessarily mean that the battery is done for, or just a possibility? I'm just reluctant to spend money on a new battery, only to find out that the issue is elsewhere. I know nothing is certain, but if the battery spins, how likely is it that this is the cause of the issue I'm having, considering that the battery has never before caused any problems for me?
    Last edited by AnAndroidDroid; 05-12-2014 at 11:28 AM.
  15. #15  

    Default Re: Galaxy S3: Phone Doesn't Boot

    Quote Originally Posted by AnAndroidDroid View Post
    I am unable to use odin as the phone's screen turns off a few seconds after going into download mode.



    The battery does indeed spin. Does that necessarily mean that the battery is done for, or just a possibility? I'm just reluctant to spend money on a new battery, only to find out that the issue is elsewhere. I know nothing is certain, but if the battery spins, how likely is it that this is the cause of the issue I'm having, considering that the battery has never before caused any problems for me?
    Change the battery . It may solve the problem

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  16. #16  
    Golfdriver97's Avatar

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    Default Re: Galaxy S3: Phone Doesn't Boot

    Quote Originally Posted by AnAndroidDroid View Post
    I am unable to use odin as the phone's screen turns off a few seconds after going into download mode.



    The battery does indeed spin. Does that necessarily mean that the battery is done for, or just a possibility? I'm just reluctant to spend money on a new battery, only to find out that the issue is elsewhere. I know nothing is certain, but if the battery spins, how likely is it that this is the cause of the issue I'm having, considering that the battery has never before caused any problems for me?
    Very likely that is the problem. Had it happen on my S2. Replaced the battery and it was fixed.

    Sent from my HTC One_M8 using AC Forums mobile app

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  17. Thread Author  Thread Author    #17  

    Default Re: Galaxy S3: Phone Doesn't Boot

    well, I bit the bullet and bought a new battery...unfortunately, experiencing the same issue...
  18. #18  

    Default Re: Galaxy S3: Phone Doesn't Boot

    Quote Originally Posted by AnAndroidDroid View Post
    well, I bit the bullet and bought a new battery...unfortunately, experiencing the same issue...
    Check if you can enter recovery mode
    If YOU can, then clear cache again.

    Press THANK YOU and LIKE button if you gets the answer
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  19. Thread Author  Thread Author    #19  

    Default Re: Galaxy S3: Phone Doesn't Boot

    Quote Originally Posted by mobilecrackers View Post
    Check if you can enter recovery mode
    If YOU can, then clear cache again.

    Press THANK YOU and LIKE button if you gets the answer
    like I said, the phone attempts to go into recovery, but turns off before getting there, as is the case with normal boot and download mode..
    Last edited by AnAndroidDroid; 05-13-2014 at 01:06 PM.
  20. Thread Author  Thread Author    #20  

    Default Re: Galaxy S3: Phone Doesn't Boot

    If I can feel/hear a click when pressing the power button, can I rule out the power button being stuck internally? The fact that the phone starts booting whenever I put the battery in, and that it won't respond to power button presses after it's shut down is making me wonder if it's a stuck power button.
  21. #21  
    Golfdriver97's Avatar

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    Default Re: Galaxy S3: Phone Doesn't Boot

    Quote Originally Posted by AnAndroidDroid View Post
    If I can feel/hear a click when pressing the power button, can I rule out the power button being stuck internally? The fact that the phone starts booting whenever I put the battery in, and that it won't respond to power button presses after it's shut down is making me wonder if it's a stuck power button.
    It very well may be a stuck button. I was sure the battery was the only culprit (was following Occam's razor theory).

    Short of tearing the device apart, I don't know of another way to check for this.

    Sent from my HTC One_M8 using AC Forums mobile app

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  22. Thread Author  Thread Author    #22  

    Default Re: Galaxy S3: Phone Doesn't Boot

    Quote Originally Posted by Golfdriver97 View Post
    It very well may be a stuck button. I was sure the battery was the only culprit (was following Occam's razor theory).

    Short of tearing the device apart, I don't know of another way to check for this.

    Sent from my HTC One_M8 using AC Forums mobile app
    I may very well be at a point where I'd have nothing to lose by tearing it apart..
  23. #23  
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    Default Re: Galaxy S3: Phone Doesn't Boot

    Quote Originally Posted by AnAndroidDroid View Post
    I may very well be at a point where I'd have nothing to lose by tearing it apart..
    I'm sure there are plenty of YouTube videos. Could always watch a couple different ones to see how it is done, and if it is worth the effort.

    From an SOKP Nexus 5

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  24. Thread Author  Thread Author    #24  

    Default Re: Galaxy S3: Phone Doesn't Boot

    Quote Originally Posted by Golfdriver97 View Post
    I'm sure there are plenty of YouTube videos. Could always watch a couple different ones to see how it is done, and if it is worth the effort.

    From an SOKP Nexus 5
    I've opened it up, nothing seems out of order, so far as I can tell. Looks like it's time to go with the new phone route

    Thanks everyone who chimed in.

    Does anyone know if I would be able to take this thing into a repair shop and salvage the data on the device, assuming there's no damage to internal memory?
  25. #25  
    Golfdriver97's Avatar

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    Default Re: Galaxy S3: Phone Doesn't Boot

    Quote Originally Posted by AnAndroidDroid View Post
    I've opened it up, nothing seems out of order, so far as I can tell. Looks like it's time to go with the new phone route

    Thanks everyone who chimed in.

    Does anyone know if I would be able to take this thing into a repair shop and salvage the data on the device, assuming there's no damage to internal memory?
    Sorry nothing worked out. As for pulling the memory, I am not sure.

    Sent from my HTC One_M8 using AC Forums mobile app

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