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Galaxy j3 2016 keeps restarting

Discussion in 'Android Devices' started by Martin Banks, Sep 19, 2019.

  1. Martin Banks

    Martin Banks Newbie
    Thread Starter

    Phone was working fine so I tried to root it it said I was rooted then I restarted the phone and now it's stuck in a restarting loop that's all it will do . The only other thing it will let me do is go to recovery mode so I tried factory reset and it didn't work. I tried wiping the cache and that didn't work I don't know what else to do hoping for some advice.
     


  2. Best Answer:
    Post #2 by svim, Sep 20, 2019 (1 points)

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  3. svim

    svim Extreme Android User

    This sounds like something happened to corrupt the Android operating system, causing your phone to just get stuck in a boot loop. (With no functional OS, all your phone can do is boot up into either its Recovery mode or its Download mode.)
    Just for reference, to intentionally boot into one or the other:
    Recovery mode -- start your J3 while simultaneously holding down the Volume Up, the Home, and the Power buttons
    Download mode -- start your J3 while simultaneously holding down the Volume Down, the Home, and the Power buttons.

    To restore the OS to your phone, you need to flash a stock, Samsung ROM. Flashing a smartphone ROM is similar in principle to using a restore disc/media on a PC to fix a broken OS. Go here to download the necessary ROM you'll need:
    https://www.sammobile.com/firmwares/search/galaxy j3/
    or here:
    https://updato.com/firmware-archive-select-model/?q=GALAXY+J3&exact=1&r=&v=&rpp=100
    Both sites claim to verify the ROMs they provide as being legitimate, Samsung stock ROMs.
    Can't stress this point enough but be sure to select the ROM that matches both your phone model (i.e. SM-J320P) and your carrier. Do not substitute or try other ROMs just as an experiment. ROMs are specific their matching phone models. If you use the wrong one and you're lucky you'll just soft-brick your phone and have to re-flash using the correct ROM. If you're not lucky you might hard-brick your phone.
    The chosen download pages of both include instructions on the flashing process. An example being:
    https://updato.com/how-to/how-to-install-an-official-samsung-stock-firmware-using-odin/
    Follow the directions carefully, if you use the Odin utility correctly, there's a good chance your data won't be wiped (a given being if your data is already gone than flashing a ROM won't restore it). A successful flashing of a stock Samsung ROM should only affect the system partitions, leaving the data partition as is.
     
    ocnbrze likes this.
  4. Martin Banks

    Martin Banks Newbie
    Thread Starter

    But how do I flash a rom or download anything when all my phone will do is start up not even make it through the start process then restarts again
     
  5. ocnbrze

    ocnbrze DON'T PANIC!!!!!!!!!

    power the phone off then download the firmware on your pc. put the phone in download mode and then run odin on your pc. just make sure you are using the correct firmware.
     
  6. Martin Banks

    Martin Banks Newbie
    Thread Starter

    Alright got it and thank you I'll let you no how it turns out
     
    ocnbrze likes this.
  7. Martin Banks

    Martin Banks Newbie
    Thread Starter

    Trying to download Odin in Samsung drivers via computer the computer does not detect my phone. I tried different USB cables but nothing seems to work can anyone help me
     
  8. Martin Banks

    Martin Banks Newbie
    Thread Starter

    Computer doesn't detect my phone I tried different USB cables nothing seems to work
     
  9. Martin Banks

    Martin Banks Newbie
    Thread Starter

    Computer doesn't recognize my phone I tried different USB cables and it seems to work
     
  10. svim

    svim Extreme Android User

    Just to confirm, have you tried restarting both your computer and your phone and then seeing if your computer can detect your phone over USB?
    Are you plugging your cable into a USB hub? If so, try plugging it directly into one of your computer's USB ports instead.
     

Samsung Galaxy J3 (2016) Forum

The Samsung Galaxy J3 (2016) release date was January 2016. Features and Specs include a 1/2GB RAM, Spreadtrum SC9830 processor, 2600mAh battery, 5.0" inch screen, and 8MP camera.

January 2016
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