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  1. Thread Author  Thread Author    #1  

    Angry My Samsung Galaxy S3 randomly shuts off and restarts. Help!

    This is my second SG3 I have received from T-Mobile as the first one was giving me similar problems. Recently the problem has been getting worse but the phone will randomly shut off while I'm not using it which is a problem because my job requires me to be 'on call' and be available 24/7 so I need a phone that works.

    It will also randomly restart while I'm using it say while writing a text or email. I also have a problem of not being able to swipe to answer calls, it swipes but does not answer the call.

    I have just a few apps on my phone that I am required to have for work (Facebook, Twitter, Instagram, and a few Google apps) and the problems don't occur while I'm on the apps.

    Also the software is updated.

    Any suggestions?

    T-Mobile is sending me a third SG3 which I am dreading and wish I could just switch to an iPhone but they're making that impossible without paying extra fees I can't afford.
  2. #2  
    Scott Kenyon's Avatar

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    Default Re: My Samsung Galaxy S3 randomly shuts off and restarts. Help!

    Try a factory reset. This could correct some files and stop the reboots. Also, be sure it's not an app causing this. The same problem on two different phones could be caused by an errant app.

    Sent from my HTC One using Mobile Nations mobile app
  3. #3  

    Default Re: My Samsung Galaxy S3 randomly shuts off and restarts. Help!

    It's much more likely that something you're loading is causing these problems than that you've had two phones with the identical problem.
    Read the reviews for Facebook - it's got a lousy 3.7 rating: I won't use anything that's below 4.0.

    Sent from my rooted, debloated, deodexed Sinclair ZX-80 running CM -0.001 using Tapatalk 4 Beta
  4. #4  

    Default Re: My Samsung Galaxy S3 randomly shuts off and restarts. Help!

    Quote Originally Posted by GSDer View Post
    It's much more likely that something you're loading is causing these problems than that you've had two phones with the identical problem.
    Read the reviews for Facebook - it's got a lousy 3.7 rating: I won't use anything that's below 4.0.

    Sent from my rooted, debloated, deodexed Sinclair ZX-80 running CM -0.001 using Tapatalk 4 Beta
    I agree with Scott. It may be an app since one of them might not be optimized for your firmware. It could also be a bug with the update on your phone. Most likely an app.
  5. #5  

    Default Re: My Samsung Galaxy S3 randomly shuts off and restarts. Help!

    My S3 on Verizon is doing the same thing, within the first 24hrs it restarted twice, and my screen will randomly go blank for a second or two then come back on.....
  6. #6  

    Default Re: My Samsung Galaxy S3 randomly shuts off and restarts. Help!

    Mine was not due to a app, i didnt install any apps and it was still doing it... i was using factory installed apps.
  7. #7  

    Default Re: My Samsung Galaxy S3 randomly shuts off and restarts. Help!

    AndroidGuy98,
    This is a new phone, and you haven't installed any apps, just made updates to existing ones?

    Does the phone have 4.1.2 (MF1) firmware?

    You could try booting into Safe mode just to be sure it doesn't involve any apps, but if the weird behavior continues you should get Verizon to replace it immediately.

    Sent from my rooted, debloated, deodexed Sinclair ZX-80 running CM 10.2 using Tapatalk 4
  8. #8  

    Default Re: My Samsung Galaxy S3 randomly shuts off and restarts. Help!

    I also have an S3 on Verizon. Since the last software update, a month or whenever ago, my phone will randomly reboot when I'm not using it (don't think it has ever done it while I was actively doing something, and the phone will start crackling and breaking up in the middle of calls. The call breaking up doesn't seem to happen if I am in speaker phone. It almost seems like the phone is very quickly switching back and forth between speaker phone and regular.

    Posted via Android Central App
  9. #9  

    Default Re: My Samsung Galaxy S3 randomly shuts off and restarts. Help!

    If you haven't done a Factory Reset since you received the OTA that should be one of the first things on your list (immediately after making a backup of anything that you care about, that is).

    You could try booting into Recovery mode and clearing the system cache - that's relatively quick and painless.

    Sent from my rooted, debloated, deodexed Sinclair ZX-80 running CM 10.2 using Tapatalk 4
  10. #10  

    Default Re: My Samsung Galaxy S3 randomly shuts off and restarts. Help!

    Galaxy S3 is a piece of Chinese crap. I'm on my third. Reboots randomly. Get a different brand/model asap.
  11. #11  

    Default Re: My Samsung Galaxy S3 randomly shuts off and restarts. Help!

    Well, the reason it does that is because when a Virus tries to get inside the phone.... the Galaxy S3 shuts down by its self so it doesnt get in.
  12. #12  

    Default Re: My Samsung Galaxy S3 randomly shuts off and restarts. Help!

    I had this problem. I thought it was a software issue as I rooted my phone. I did some research and found that people were having problems with a defective power button. The phone would not boot past random points. The phone would turn on on its own after a battery was inserted. This is what made me think it was the power button not depressing. I tried flicking the power button during startup and it would boot all the way up.. Then when I stopped flicking it would turn off. I took the phone to a store that diagnosed it as a defective power button. They replaced it and phone is working perfect now. GS3s are crap quality. The fix was $65. Better than the new phone that T-mobile suggested I get!!
    Thanked by:
    GSDer 
  13. #13  

    Default Re: My Samsung Galaxy S3 randomly shuts off and restarts. Help!

    I have had my Galaxy for at least a year or so and all of a sudden it kept restarting itself within every 2 minutes and now it refuses to turn on at all, I plug it in to charge, it shows the screen that it is charging and when I turn it on it only makes it to Samsung Galaxy S3 and then screen goes black and it repeats every time I try to turn it on. I'm thinking the batteries in the Galaxy's fry after a period of time based on how much you use it on a daily basis. I used mine for work and social wise and was on it almost 24/7. Could that be the problem? Could the battery possibly fried? If not, how can I fix this problem because I have been without a phone for several months now, Only 17 with no current job and not enough money to buy another phone sadly. On my own, can anybody help me fix this problem?
  14. #14  

    Default Re: My Samsung Galaxy S3 randomly shuts off and restarts. Help!

    I'm writing this with my gs3, which would have been impossible before. I finally found the fix for the random rebooting. The solution that worked for me was to root and install cyanogenmod, then I installed an app called 'trickster mod'. Then I set the CPU frequency to run at minimum 800. Thats it. If your phone runs fine whilst playing games like CSR Racing then this is propably the fix for you to. I'm not sure you have to run Cyanogenmod, but you need root. The downside to this fix is that the battery gets drained a bit faster, still good thou.
  15. #15  

    Default Re: My Samsung Galaxy S3 randomly shuts off and restarts. Help!

    My International s3 turns off then the device name starts flashing on and off

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