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  1. Thread Author  Thread Author    #1  

    Default Samsung Galaxy S4 keeps dimming the screen for no reason. Any help?

    I am not a noobie when it comes to android phones. I've tried turning off auto brightness turning off the auto adjust screen tone. Nothing seems to work, it just does what it wants. Any help?

    Posted via Android Central App
  2. #2  

    Default Re: Samsung galaxy s4 keeps dimming the screen for no reason. Any help?

    Do you have any other 3rd party screen dimming apps installed?

    Also, is there any pattern at all to when it dims? Some browsers have a screen dimming feature while the page is still loading, as a way of conserving battery.
  3. #3  

    Default Re: Samsung galaxy s4 keeps dimming the screen for no reason. Any help?

    In what instance does this happen? For example, just like what B. Diddy said, some apps have their own brightness feature. For example, apps like MoonReader will dim my scene or brighter depending on how I manually set it within the app, when opened.

    Also next time, telling us you're not "noobie" to Android phones doesn't really help. We have no idea what that means and there is no universal definition of what a newbie knows or doesn't know. (Yes, it's spelled as that. Sorry, but the grammar Nazi within me can't resist... People who play computer games online and try to speak l33t spell it as "noob" though.)

    So... Next time, what would be most helpful if if you'd enumerate the things you've done to solve your problem. Screenshots would also be helpful.

    This applies not just to forums here but also when asking for help from customer service agents.

    P.S. Check your utility apps. Apps like Lux are third party and control screen brightness, but there are other utility apps that can utilize the settings. Best to know your apps before installing them.

    P. P. S. Sorry for double post. I was trying to edit the post in Tapatalk but turns out I hit the quote button.

    Sent from my GT-I9505 using Tapatalk 4
  4. #4  

    Default Re: Samsung galaxy s4 keeps dimming the screen for no reason. Any help?

    Sorry for double post. Tapatalk doesn't seem to have delete option for the post available.
  5. Thread Author  Thread Author    #5  

    Default Re: Samsung galaxy s4 keeps dimming the screen for no reason. Any help?

    Quote Originally Posted by ladyhaly View Post
    In what instance does this happen? For example, just like what B. Diddy said, some apps have their own brightness feature. For example, apps like MoonReader will dim my scene or brighter depending on how I manually set it within the app, when opened.

    Also next time, telling us you're not "noobie" to Android phones doesn't really help. We have no idea what that means and there is no universal definition of what a newbie knows or doesn't know. (Yes, it's spelled as that. Sorry, but the grammar Nazi within me can't resist... People who play computer games online and try to speak l33t spell it as "noob" though.)

    So... Next time, what would be most helpful if if you'd enumerate the things you've done to solve your problem. Screenshots would also be helpful.

    This applies not just to forums here but also when asking for help from customer service agents.

    P.S. Check your utility apps. Apps like Lux are third party and control screen brightness, but there are other utility apps that can utilize the settings. Best to know your apps before installing them.

    P. P. S. Sorry for double post. I was trying to edit the post in Tapatalk but turns out I hit the quote button.

    Sent from my GT-I9505 using Tapatalk 4
    Every time I press either the power button or home button to unlock the phone, it is bright for about a second then it automatically switches to low brightness. It is really annoying when Im outside in the sun because then I can barely see the screen.

    Posted via Android Central App
  6. #6  
    Spewy1's Avatar

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    Default Re: Samsung galaxy s4 keeps dimming the screen for no reason. Any help?

    I have this problem too. To me it seems heat related. After approximately 10mins on screen time it dims then a minute later goes bright then fluctuates constantly.
    I am running stock with all auto settings off and no 3rd party brightness apps although I have tried them to see if they resolve the problem.
    Organize SB likes this.
  7. Thread Author  Thread Author    #7  

    Default Re: Samsung galaxy s4 keeps dimming the screen for no reason. Any help?

    Quote Originally Posted by Spewy1 View Post
    I have this problem too. To me it seems heat related. After approximately 10mins on screen time it dims then a minute later goes bright then fluctuates constantly.
    I am running stock with all auto settings off and no 3rd party brightness apps although I have tried them to see if they resolve the problem.
    I'm going to try putting a custom rom on my phone, to see if that fixes the problem.

    Posted via Android Central App
  8. #8  

    Default Re: Samsung galaxy s4 keeps dimming the screen for no reason. Any help?

    My S4 just started doing this today, all of a sudden, when I hit the home button to wake up the phone, the screen comes up bright, but it then dimms down.

    I don't have any apps to manage the screen, I have not added anything other than the latest Samsung update 2 days ago and added a memory card about a week ago. I have messed around with all the suggested settings, but no luck.My phone does not get hot at all.

    Any other ideas? My suspiction is the Samsung update, but I may be wrong.

    Thanks.
  9. #9  

    Default Re: Samsung galaxy s4 keeps dimming the screen for no reason. Any help?

    Has anyone found a solution to this problem? I have similar issue and need help please.

    - - - Updated - - -

    did you find a solution to this?
  10. #10  

    Default Re: Samsung Galaxy S4 keeps dimming the screen for no reason. Any help?

    pull down screen from clock and take it of auto brightness...
  11. #11  

    Default Re: Samsung Galaxy S4 keeps dimming the screen for no reason. Any help?

    I have tried that over and over. It keeps defaulting back to auto. I should be able to turn auto off and not have it go back.
  12. #12  

    Default Re: Samsung galaxy s4 keeps dimming the screen for no reason. Any help?

    My samsung s4 has also been dimming and brightening the screen randomly for many months now, despite no other apps controlling the brightness and regardless of whether the brightness setting is on "auto" or manual.

    I can be reading a web page or using text or doing nothing (home screen) and the brightness suddenly fades as though the s4 is registering an auto brightness setting for a dark room or night conditions. Then, after anywhere from a minute or 2, up to about 15 minutes, it suddenly goes back to brightest setting, then dims the brightness a couple levels.

    My s4 also immediately dims the screen when out in sunlight-extremely frustrating as i cannot use/see screen unless i shade the phone very well. And, no, just turning my back & creating shade w my body is not enough--it's more like i need area of shade at least 4x4 ft before any level of brightness will return. As soon I step back to sunlight, screen dims again as if it were night/low light conditions.

    Also, i can never achieve the high brightness level that suddenly occurs when it appears the s4 is "self-correcting" the errant dimming, whether adjusting brightness manually or using the auto brightness feature.

    I believe this started after an update. My s4 operates as if it has a mind of its own--or the brightness feature works almost the opposite way it should.

    It seems obvious to me that owning a model more than 1 year old is problematic. It's unfortunate because there are a significant number of people (including myself) who wait until their 2 yr upgrades w service provider is avail to get a new phone. Not everyone can afford to buy a new phone every year, nor should they have to even if affordability is not an issue. Yes, some carriers are no longer doing the 2 yr upgrade, but plenty still have it avail--(grandfathered) one last time.

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