1. JF2014's Avatar
    I'm not sure if this is a device question or an OS question, however:

    I use a BT device for 99% of my calls. Sometimes a Jawbone earpiece, and sometimes via BT in my vehicle.

    My screen constantly dims itself in less than 10 seconds. This is a problem when waiting for prompts to input something on the keypad; I must touch the screen in an area without numbers, in order to wake the screen so I can see the numbers.

    The time to dim is most often shorter than the time that automated phone systems take to chatter on and on before getting to some useful information about which number I might want to press to proceed to the next round of automated chattering...

    Is there a setting to adjust the screen timeout duration while in a phone call? I can't seem to find one...

    TIA.
    04-15-2016 09:45 PM
  2. B. Diddy's Avatar
    I believe you just have to increase the overall screen timeout delay in the Settings>Display​ menu.
    04-16-2016 02:03 AM
  3. JF2014's Avatar
    Thanks Diddy, but that's not it. My screen timeout is set for 2 minutes.

    The screen doesn't timeout completely (to a black screen), but rather dims to a fraction of regular brightness. I assume this is to save battery life (as in a call using speakerphone, for example), but it's a horrible hinderance to using the dial pad in a phone call.
    04-16-2016 09:49 PM
  4. B. Diddy's Avatar
    I see. Are any power saving modes turned on?
    04-17-2016 01:44 AM
  5. JF2014's Avatar
    Nope... Just the App power saver that sleeps apps after 3 days of disuse.
    04-19-2016 12:03 AM
  6. B. Diddy's Avatar
    Is Adaptive Display turned on? What if you turn it off?
    04-19-2016 03:00 AM
  7. JF2014's Avatar
    Turning off Adaptive Display didn't change the behaviour at all. Nor does having AOD switched on, or off.

    To amend my OP, this happens whether I'm using a BT device or simply holding the phone and using the speaker.
    04-19-2016 03:58 PM
  8. B. Diddy's Avatar
    Does this happen in Safe Mode?
    04-19-2016 04:46 PM
  9. JF2014's Avatar
    I just tried, and yes. In safe mode the delay to screen dim is a consistent 10 seconds.

    ETA: I've also tried with auto-brightness on and off, which induces no change.
    04-19-2016 05:23 PM
  10. JF2014's Avatar
    Wow. I just got an OTA system update, and now this issue is resolved. The screen still dims at the same interval, but the reduction in brightness is much less. I can still clearly make out the keypad without having to wake the screen. Awesome!
    B. Diddy likes this.
    04-19-2016 07:47 PM
  11. gregjohnhall's Avatar
    I have the same issue, VERY FRUSTRATING and want to be able to see the screen whilst on a call.

    HEEEEEEEEELP please.

    G.
    springerrr likes this.
    02-02-2017 09:17 PM
  12. kvpathik's Avatar
    I have a Samsung Galaxy Note 8 and this happens too me as well and I have tried everything that JF2014 has mentioned above. I have looked for solutions online and with no success. Very annoying when you are trying to use the phone.
    springerrr likes this.
    11-12-2017 06:54 PM
  13. springerrr's Avatar
    I have a Samsung Galaxy Note 8 and this happens too me as well and I have tried everything that JF2014 has mentioned above. I have looked for solutions online and with no success. Very annoying when you are trying to use the phone.
    Same issue.
    08-02-2018 03:35 PM
  14. Ms Cassie's Avatar
    I have an Android phone and I was having the same problem. I found the answer
    Unfortunately, you will have to download an app but it is super ez and super fast and works fantastically!!!! It is called Keep Screen On by Dionis. It is a picture of a smiling yellow sun.
    08-11-2018 08:30 PM

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