Auto-Brightness not working all of a suddenSupport


  1. eyecon82

    eyecon82 Well-Known Member

    For the past few days, I noticed that my screen was very bright in dark conditions when checked on Auto-Brightness, so I would uncheck and recheck the box and it worked fine for a few hours until I had to repeat that step

    Now, when I have it checked, the screen is extremely dim and not adjusting at all to brightness levels.

    As a result, I have to manually adjust it.

    Anyone else notice this weird phenomenon?

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  2. girolez

    girolez Often Off Piste Guide

    AZgl1500 likes this.
  3. eyecon82

    eyecon82 Well-Known Member

    Nope. It works fine. Sometimes this happens, sometimes it doesn't. Not sure why. Probably a software glitch
  4. jaydub110

    jaydub110 Well-Known Member

    I'm having the same problem when I have auto checked on brightness my screen is dim during the day & at night it doesn't adjust I have to keep it unchecked.. Don't know why either.
  5. krazycarl

    krazycarl Member

    Same problem I had . The second time it did it I turned auto brightness off and never used it again. My phones auto brightness was always to dim anyway . Except when it was pitch black at night. I just adjust it myself. If there was a way to calibrate or adjust the brightness of auto I would use it .
    I gave up on auto brightness by the 2nd day with my s5.
  6. ssgokou29

    ssgokou29 New Member

    Did anyone find a fix to this?

    Early when i got my s5, it worked fine, then noticed when "auto bightness" check it woud already be really dim even in dark rooms. I just gave up on it, but if there is a fix for it, i would like this feature back..Thanks.
  7. AZgl1500

    AZgl1500 Well-Known Member


    Well, I put up with it until today..... I got my S5 on launch day.... but today, out in the bright summer sun, AutoBrightness should have cranked the brightness to the max.

    The screen was so dim I could not see it w/o getting into a shadow.

    Nix on the the auto feature, useless.

    .... what gets me is that the sensor testing app I downloaded shows that the sensor is working, and it works every time I test it.

    So, with that being the case, what in the 'ell is wrong with being able to program AutoBrightness?


    .
  8. eyecon82

    eyecon82 Well-Known Member

    Sensor is fine. Something is going wrong since a hard reset fixed it
  9. asadazam

    asadazam New Member

    Hello, I was suffering from same auto brightness issue (sensor was working *#0*#)

    And I felt there is some bug/virus in some Cache Memory OR there is some app running in background(like MAPS-SYGIC) such apps have option to control your screen brightness.. I downloaded AVG Antivirus(Free Version) and also the linked app AVG Clean master, which scanned and removed almost 400MB of cache from my Mobile and closed all the apps running in background (Auto as well as I closed rest of the apps Manualy )

    GUESS WHAT?? It worked and my brightness Controls are back to Normal :-D
    Hope it will Help You as well...
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