1. AC Question's Avatar
    My phone was working well a month ago not until I installed clash of

    clan on it. I also installed a couple of apps that seems to be causing

    my phone to overheat. Everytime I play COC, it would suddenly crash and

    would shut down unexpectedly then it would tun on on its on.I tried

    updating its android version because i thought it would solve the

    problem. Works fine that night but on the next day my phone was stuck on

    its logo screen. To make the long story short, i have it fix and the

    shop told me it was caused by some virus. Few days later, while I was

    using my phone, the same thing happened again. My phone shuts itself

    then it would turn on its own again. I thought It was no big deal and I

    decided not to do anything. But one day, while my friends were using my

    phone to take some pictures, it shuts down then turned it self on again.

    I examined it for a bit and it was a little hot. The next thing I knew

    the screen went laggy then it shuts down completely, this time it didn't

    work the same as before. When I got home i tried plugging it. But

    nothing happened. I pulled out the battery for more than 30 min. then

    put it back again. I tried charging it for hours, still nothing. Its

    been a week and I really need your help!! Hard reset doesnt work and i

    dont really know the cause..
    03-02-2016 08:07 AM
  2. B. Diddy's Avatar
    Welcome to Android Central! Are you installing apps from Google Play Store only, or from other sources? If you're only using the Play Store, malware is unlikely--but if you're using 3rd party sources, then the risk of malware does go up significantly.

    In general, though, I'd suspect that your phone's firmware is corrupt, or the motherboard is failing. There may not be much you can do about that. Is the phone still under warranty?
    Eirelav_Hearts likes this.
    03-02-2016 01:14 PM
  3. Eirelav_Hearts's Avatar
    All of my apps were from Google Play only. Warranty is out of my reach for some reasons.So my only option is to have it fix again by the cell phone repair shop. Is there any chance that it could still work again? Thanks for answering
    03-03-2016 02:42 AM
  4. AlphaTango414's Avatar
    If it's a corrupted firmware problem, it can be fixed. If the motherboard is failing, not much you can do there. Time to look at replacement options.
    B. Diddy and Eirelav_Hearts like this.
    03-03-2016 04:09 AM
  5. B. Diddy's Avatar
    I agree with AlphaTango414. The challenges with reinstalling the firmware on a relatively uncommon phone like yours are (a) finding a way to root the phone, and (b) finding the stock ROM to reinstall. Try searching the forums at xda-developers.com.
    Eirelav_Hearts likes this.
    03-03-2016 11:05 AM
  6. Eirelav_Hearts's Avatar
    I see. I'll try doing some research about it. By the way, when i tried charging the phone, it seems to be getting a little warmer. Just like the normal temperature when I charge it back when it was still working during the past month but the screen isn't responding. Is it a sign of a firmware problem or on the phones motherboard itself? Thanks again..
    03-03-2016 11:25 AM
  7. B. Diddy's Avatar
    A faulty battery can heat up excessively if you try to charge it. It might also explain at least some of the issues you've been having, so it may be worth replacing the battery. Is it user-removable? If not, you'd have to bring it to a repair shop to replace it, or try to open the phone yourself.
    03-04-2016 09:45 PM
  8. Eirelav_Hearts's Avatar
    It's a removable battery so It's worth a try.. I have decided to have it repaired by the shop. If it doesn't go we'll then replacement is my option. I really appreciate your help. Thanks
    B. Diddy likes this.
    03-05-2016 06:50 AM
  9. alexisroy830's Avatar
    hi, i have the same problem with my kata i4. it's been with me for 2 years and i'm having the same experience? what could possibly be wrong when you had your unit checked for repair last year? motherboard failure, the battery, or the firmware corruption? my phone has a built-in battery.

    when i charge the cellphone, it displayed 100% but when i open some applications like facebook, and some fb video clips, it crashes. also, when it reached like 70% battery life, it crashes and my only remedy right now is to plug it to a power source to avoid crashing. when i take pictures with the camera, after some few shots, it crashes. someone help me on this. thanks!
    01-16-2017 03:53 AM

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