1. Maciej Mojsiewicz's Avatar
    Hey guys,

    I recently got a custom Moto X and updated it to Kit Kat immediately out of the box and I noticed that when I set the brightness all the way down, it causes objects on the screen that are normally gray to turn a 'purple' color. I'm not sure whether this is just because the brightness goes TOO low and it's a software bug, or if it's a hardware problem and I should get it returned. Any input would be greatly appreciated :)

    P.S. The top pic is with the brightness a little under 50% and and bottom pic is the brightness slider all the way to the left(lowest setting). It was a lot more noticeable at first but it still bothers me.
    P.P.S. Camera doesn't do justice; I might upload better pics later today :P
    Attached Thumbnails Moto X 4.4 Kit Kat T-Mobile, low brightness causes gray to turn purple?-img_0661.jpg   Moto X 4.4 Kit Kat T-Mobile, low brightness causes gray to turn purple?-img_0667.jpg  
    12-13-2013 01:35 PM
  2. Rob220's Avatar
    I just checked mine and with the brightness all the way down their was no purple at all.
    12-13-2013 01:42 PM
  3. Maciej Mojsiewicz's Avatar
    Aha okay. Well, I'm going to stop by an AT&T or Verizon store to look at their Moto X display models and see if they have the same issue as me. I'll keep this thread posted :P If push comes to shove, I'll just have to exchange it for a new one and wait another 2 weeks for it...
    12-13-2013 03:45 PM
  4. anthony2558's Avatar
    Yeah I just did mine and was all good. I can't imagine that this would be a faulty screen. In would assume that all those colors would turn purple. I think this is normal. Un connect from WiFi and your 4G should turn white even at low brightness.

    Sent from my XT1053 using Tapatalk
    12-13-2013 03:57 PM
  5. samven582's Avatar
    I would definitly get phone exchange asap! When then galaxy nexus was released the purple tint issue was a huge problem
    12-13-2013 04:01 PM
  6. kolyan2k's Avatar
    I have purple. Not as bad as Gnex of course
    12-13-2013 04:04 PM
  7. JoeNM84's Avatar
    I have purple. Not as bad as Gnex of course
    I haven't noticed it on my X, but I did on my Gnex. I may have just gotten used to it. Must have something to do with AMOLED screens, they aren't all created equal for some reason. My 1st Gnex was a slight purple(headphone jack went bad), 2nd one had no purple but was physically defective(screen/glass was loose, could see it move when pushed on) and had to be sent in for a 3rd which had the slight purple to it... I just accepted it since it didn't bother me too much and the phone worked.
    12-13-2013 04:21 PM
  8. kolyan2k's Avatar
    Here is MX review that also talks about purple

    AnandTech | Moto X Review
    12-13-2013 05:04 PM
  9. Maciej Mojsiewicz's Avatar
    Here is MX review that also talks about purple

    AnandTech | Moto X Review
    So I called Motorola and they advised me the same thing that I was planning on doing which was to go to a store to compare my phone to their display models.

    I looked at that review, which is a very in-depth review , and read the part about the purple color shift.
    " I still will personally take an LCD display over AMOLED, but the characteristics of this panel are relatively well behaved. Only if you force brightness to absolute zero does there start being visible purple color shift, something which long has been an issue for AMOLED panels."
    Hmmm so I guess it will always be that way even if I get an exchange done. However, I wonder if it is less on the display models? Yeah, I'm going to stop by some stores tomorrow and I'll report back

    Thanks very much for the info guys!
    12-13-2013 09:11 PM
  10. kolyan2k's Avatar
    To be honest, it doesnt bother me but I dont think I have it as bad as you do according to your pictures. Here are 2 pictures from my buddies phone and he said he cant see any purple....I can on 2nd picture and my phone looks the same.

    PS. I am actually glad that Auto setting works well for me and drops brightness to very minimum in dark rooms. On my Galaxy Nexus I had it set-up so that Auto Brightness always at 10-15% or so, this helped get rid off the ugly screen a bit.
    Attached Thumbnails Moto X 4.4 Kit Kat T-Mobile, low brightness causes gray to turn purple?-capture1.png   Moto X 4.4 Kit Kat T-Mobile, low brightness causes gray to turn purple?-capture.png  
    eastlin likes this.
    12-14-2013 11:38 AM
  11. eastlin's Avatar
    I got the same problem, and disappointed that the landlord did not report back.
    03-01-2014 01:20 AM
  12. SmithlandCart's Avatar
    totally an AMOLED phenomena. Between me and my relatives, all 4 of us have it and like someone else said, not near as bad on the Moto X as on the GNex. The Note3 was bad, too.
    03-01-2014 01:48 AM
  13. SmithlandCart's Avatar
    However, I wonder if it is less on the display models? Yeah, I'm going to stop by some stores tomorrow and I'll report back
    what did you find?
    03-01-2014 01:50 AM
  14. someguy01234's Avatar
    More than half of all Android phones I purchased are Samsung since the Galaxy S, AMOLED have this issue, it's just the characteristic of the technology you'll have to deal with.

    Just be glad the MotoX display doesn't suffer from the infamous "dark spot smudging" issues that plague many AMOLED screens, at least my Moto X screen doesn't seems to suffer from it. The way to test for this is to use this blob test image (see attached) and set it as the wallpaper, then put on full brightness while you are in complete darkness. It is clean looking for my Moto X screen, but on other older AMOLED screens you might see lines or dark spots.

    Moto X 4.4 Kit Kat T-Mobile, low brightness causes gray to turn purple?-uploadfromtaptalk1393661222102.jpg
    (PS. this is not a black image, it will actually help reveal imperfections for AMOLED screen)

    sent via tapatalk
    jcg5862 likes this.
    03-01-2014 02:07 AM
  15. eastlin's Avatar
    Nice guy, no lines or dark spots were found. It is pure black.
    03-01-2014 02:45 AM
  16. eastlin's Avatar
    03-02-2014 08:56 PM

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