Mi4c Fault: Spontaneous Rebooting

Discussion in 'Xiaomi Mi 4C' started by MikeP, Apr 3, 2016.

  1. MikeP

    MikePMembers

    Apr 3, 2016
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    Hi, I bought a Mi4c from xiaomidevice.com and shortly after entering 'lockscreen' state it shuts down, then reboots, then shuts down again, then re-reboots, over and over again. (I've made a short youtube vid of the issue but I can't paste the link because this forum (understandably) restricts this until I have 10 posts. If someone else who has 10+ posts could find it, perhaps searching in youtube 'xiaomi Mi4c faults spontaneous rebooting', then post here, I'd be appreciative! The vid is called "Xiaomi Mi4c faults: 1) spontaneous rebooting ; 2) can't install google play apps")

    Does anyone have any ideas on what is going on?

    Also, is xiaomidevice.com a legitimate seller? I bought from them because I thought they looked the most legitimate, but I bought this phone 2 months ago, have sent 14 emails now, have had no response to the last 2-3, and and getting a bit worried...
     
  2. iamme729

    iamme729Members

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    Hi Mike...I watched your video, very odd behavior indeed. I will post the link here and hopefully we will get some responses to your problem(s)..in the meantime I will research the issue and see what I can come up with...

     
  3. iamme729

    iamme729Members

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    #3iamme729,Apr 3, 2016
    Last edited: Apr 3, 2016
    Mike since you can use you phone some what lets try this: go to the Updater App... at the top right tap the three dots and “Reboot to Recovery Mode”...Once your phone is in recovery mode. From the menu select “English”....Now from the main menu select “Wipe & Reset” option...Now from the next screen, select Wipe all Data...Now select Yes to start erasing the settings and data on your phone....Once completed go back to the main menu and reboot your device.... At this point your phone should be working properly...

    P.S. If you cant get to Mi Recovery using this method you can do the following:
    Turn it off by pressing the power button and after a few seconds press “volume UP +power “ button to go into recovery. Hope that helps....
     
  4. MikeP

    MikePMembers

    Apr 3, 2016
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    Hi, thanks for posting this video and for helping!

    As you possibly gathered I'm not super knowledgeable about android and smartphones. I did try this reboot to recover mode suggestion three times already, based on instructions from xiaomidevice.com, but it failed to fix the problems. At your suggestion I tried one more time, just to be sure, and now something has changed and it won't work! Instead it brings up a diagram of the phone wanting to be plugged in. When I plug in it recognises /mimics this in the pic, but nothing else changes and it doesn't enter recovery mode.

    I made another youtube vid - google for 'Mi4c won't go into recovery mode' which is the title - and again feel free to post a link here for me as I can't yet until I've made more posts in the forum.

    Many thanks!
     
  5. iamme729

    iamme729Members

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    #5iamme729,Apr 4, 2016
    Last edited: Apr 4, 2016
  6. MikeP

    MikePMembers

    Apr 3, 2016
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    Thanks again! I had a google and found nothing.

    I did also try 'power' + 'vol up' and that has the same effect.

    (Note to other people, I had to take the 'htts://' off the front to get that 2nd link to work.)

    Cheers
     
  7. jonnieX

    jonnieXMembers

    Jan 10, 2016
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    Problem solved????

    ~~mi4c ™~~
     
  8. iamme729

    iamme729Members

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    NO....
     
  9. MikeP

    MikePMembers

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    Thanks very much indeed Iamme729! I haven't tried this just yet, as I have first emailed xiaomidevices.com to check that this won't void my warranty. Sorry I am a scardy cat! Not sure whether the spontaneous shutdown fault is hardware or software hence am wary of losing warranty in the case that it is hardware.

    Given that I could previously reboot to recovery mode, I wonder what has changed / how my bootloader became locked all of a sudden. A Xiaomi update perhaps?
     
  10. MikeP

    MikePMembers

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    Thanks very much indeed Iamme729! I haven't tried this just yet, as I have first emailed xiaomidevices.com to check that this won't void my warranty. Sorry I am a scardy cat! I'm not sure whether the spontaneous shutdown fault is hardware or software hence am wary of losing warranty in the case that it is hardware.

    Given that I could previously reboot to recovery mode, I wonder what has changed / how my bootloader became locked all of a sudden. A Xiaomi update perhaps?


    Yeah, I hope xiaomidevices.com reply this time I have had radio silence from them for a couple of weeks and a few emails, which is unimpressive, and worrying for me...
     
  11. iamme729

    iamme729Members

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    Almost 100% positive it was a Xiaomi update that locked the bootloader...all the current ROMs from China will lock it ...and in this case you might mention to Xiaomidevices.com the rebooting behavior happened after a Xiaomi OTA update... keep us posted....
     
  12. MikeP

    MikePMembers

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    Actually the spontaneous shutdown/rebooting cycle behavior has happened from moment I received the phone. It is just the 'reboot to recovery mode' that seems to have stopped working, sometime in the last few weeks.
     
  13. jonnieX

    jonnieXMembers

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    I follow a guide unlocking my mi4c!!! I was having screen issue, I flash fastboot, unlock the bootloader and finally gtv!!! I translate the guide succeded myself and posted in miui.gr!!!! If you can reboot to fastboot check if your device if is Locked!
    I think Xiaomi is too hard to die!!!!

    ~~mi4c ™~~
     
  14. Javito

    JavitoMembers

    Apr 5, 2016
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    Hi all,
    I bought my MI4C a month ago and now, it is rebooting all the time. I have no much knoglement about but I tried UP BOTTON + POWER and I tried Reboot, Wipe data, Wipe All... And nothing fix the phone. I conected to my laptop and after a while, everything comes in chinese so i am unable to fix it.
    PLEASE, any help is more than wellcome. Thanks
     
  15. iamme729

    iamme729Members

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    Hi Javito..can you give us a little more information... like the ROM build you are running...whether or not you have a locked bootloader...do you have a custom recovery or MiRecovery.. we will try to help if you can supply this information...thank you....
     
  16. Javito

    JavitoMembers

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    Hi iamme729, can you explain me how to check those details? I have no idea about how to find it. I wrote to the technical service and they answer me some instructions but once i do it, the chinese programmes they told me to open, dont work as they explain me and everything is in chinese...even most of the notice cant be copied so i cant translate them...im really upset. I wish i had not bought this phone...
     
  17. iamme729

    iamme729Members

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    First go to settings> about phone (scroll to the bottom) give us the Android Version and also the MIUI Version and Build Number... then go to the Updater App> the three buttons at the top right> reboot to recovery tell us what recovery it boots to MiRecovery or TWRP or something else...
     
  18. MikeP

    MikePMembers

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    Hi everyone, thanks so much for your excellent help and ideas!

    I have been trying to obtain permission from my phone's seller, xiaomidevice.com, to try your suggestion to fix the locked bootloader without voiding my warranty In the absence of any help from them! Not that locked bootloader is even the primary problem (according to my limited knowledge the primary problem is spontaneous rebooting.) I have now sent 17 emails to xiaomidevice.com since I bought the phone on Feb 4th, and have sent 6 emails in the last 27 days to which I have not had any answer whatsoever. They are 100% stonewalling me, so very frustrating!

    So I realise that I paid via Paypal and hence have great consumer protection through them. Have contacted the seller via Paypal as the first step to officially setting Paypal onto them. I suspect this is my best way forward for now.

    Javito, hopefully you can solve your problem too! Or else hopefully you also paid through Paypal and can thereby force the seller to provide a refund.

    Thanks yet again everyone!
     
  19. iamme729

    iamme729Members

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    Hope all works out for you... at very least Paypal will return your money and you will have a free phone to mess with.. LOL
     
  20. MikeP

    MikePMembers

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    Hi, just FYI they have gotten in contact and asked me to return the phone, and have suggested that I'll get a refund. My fingers are crossed!
     
  21. iamme729

    iamme729Members

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    Excellent....

    Sent from my Mi-4c using Tapatalk
     

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