Occasional Reboot

Discussion in 'iOS 12' started by Rhino1, Dec 20, 2018.

  1. Rhino1 macrumors member

    Sep 12, 2012
    Does anyone get an occasional random reboot on their phone. Battery is 100% capacity so no issues with peak performance.

    Just an occasional random reboot during browsing or usage every few weeks..?

    iPhone SE running 12.1
  2. PhillyGuy72 macrumors 65816


    Sep 13, 2014
    Philadelphia, PA USA
    I am assuming my XS Max is doing this randomly overnight. Only thing I can think of. I will wake up and sometimes I have to enter my passcode in to unlock the phone. This happens maybe once every 2 weeks randomly, I can't explain it. I'm on 12.1.1, my battery shows normal levels.

    My old 6+, when that battery was failing it would do random reboots, show various % of battery life ranging from 99%, then dropping to 19, 18% within ten min - then shut off. THAT was a battery problem, I took care of that. But this - on the Max, I dont know what this is?
  3. Rhino1 thread starter macrumors member

    Sep 12, 2012
    Me neither. I am thinking of taking it back to Apple as it was a replacement phone to my original SE but I'm not sure its a big enough reason at present. It's happening once every two weeks or so... any other experiences out there?
  4. gahig ulo macrumors 6502a

    gahig ulo

    Nov 11, 2017
    riverside california
    No its not random reboot its the face id thing sometimes when you move or touch the screen accidentally faceid will scan and after so many times it will ask your passcode.when its reboot you cant access the camera because its greyedout but if its jut faceid thing you can access the camera try it yourself.
  5. Rhino1, Dec 21, 2018
    Last edited: Dec 21, 2018

    Rhino1 thread starter macrumors member

    Sep 12, 2012
    The phone I have is an SE so it has nothing to do with FaceID. It's just an occasional reboot every two weeks or so when I open an random App?

    I'm not too sure if updating to iOS 12.1.2 will help as I am currently running 12.1

    Is it worth taking it to Apple or is it something experienced by others?
  6. Henny6S macrumors newbie


    Dec 23, 2016
    The same thing happened to my 8 Plus running 12.1.2. It turns off out of the blue
  7. Rhino1 thread starter macrumors member

    Sep 12, 2012
    Ok, I've updated it to 12.1.2 and will watch it one last time before going to Apple
  8. Feenician macrumors 603


    Jun 13, 2016
    In your case, that's probably not what's happening. If you haven't unlocked by TouchID/FaceID in the last 8 hours, and haven't unlocked by passcode at all in the last 6 days, you will be prompted to enter your passcode. It's been that way for a few years.
  9. Rhino1 thread starter macrumors member

    Sep 12, 2012
    So far things have been fine but I’ve noticed the battery has started to drain a little quicker on 12.1.2.. I think it still might be indexing or whatever it does for the first few days

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8 December 20, 2018