Themes / Apps / Mods [App]Galaxy Max Hz (Refresh Rate Control, Quick Resolution Switcher, Force Lowest Hz on Screen-Off/AOD, Quick-Doze, Adaptive Mod and More)

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joloxx9joloxx9

Senior Member
Jul 6, 2011
903
132
Yes, I agree with you. They said the phone will shift "between 10 and 120 Hz. So technically they're still keeping within that range. I'm just saying that I still haven't seen anyone report actually seeing that 10Hz state. False advertising? Tricky wording? I'm not sure.
Well for me its clearly false advertising, 60(or 48) - 120 is not even close to 10... I am going to raise it with samsung support, will see what they have to say regarding it.
 
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tribalfs

Senior Member
  • Mar 28, 2014
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    This is sort of the same gimmick OnePlus pulled with the OP9Pro's LTPO display marketing. They both claim that the display is "capable" of going from 'x' Hz to 'y' Hz but don't necessarily push them all that way down.

    The other issue is the transition time between different refresh rate states. If you're browsing a static page at 1Hz and then flick your finger on the screen suddenly to start scrolling, the screen then has to go from 1Hz to the fluid 120Hz. That trasition is not instantaneous, and will lead to lag. So it's safer to keep the lowest refresh rate at a higher value than the lowest possible from the view-point of UI smoothness and performance. If you go to the OP9Pro forums (not on XDA, on the OP community site), you'll see a lot of users complain of this erratic scrolling behaviour.

    Secondly, having fewer intermediate refresh rate states is easier to manage for the dispaly controller than a granular control of 1Hz (i.e. 24Hz, 48Hz, 72Hz, 96Hz, 120Hz rather than 10, 11, 12, 13, 14..... upto 120).

    This is just my understanding of how variable refresh rate works, and I'm no expert so I can be mistaken. Maybe @tribalfs can add in his opinion.
    Yes, android system is not yet capable of true VRR. Android only do dynamic refresh rate mode switching between predefined refresh rates. I also think implementing a granular and continuous refresh rate adjustment (true VRR) in android can be counterproductive even with the current LTPO displays. But I still believe they should enable 10hz at least in AOD.

    According to chat they can't provide when phone is going to drop into 10Hz because it vary by app, I had no answer regarding if any samsung app can do it...
    It will not unless they will enable it.
     
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    tribalfs

    Senior Member
  • Mar 28, 2014
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    You guys might have seen this already...it's absolutely not a simple "no scroll = 10Hz" situation.
    One can indeed argue that marketing is stretching the concept and usability of this panel feature.
    Well, I personally highly doubt the actual implementation/existence of this so called invisible LFD layer. Based on how it is described, it means to me that it's only a processing layer but no effect on actual refresh rate of the display panel. I think this additional processing/layer is already redundant as it is already being handled by android surfaceflinger.
     
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    Ipse_Tase

    Senior Member
    Feb 29, 2012
    678
    115
    Samsung Galaxy S21 Ultra
    Well, I personally highly doubt the actual implementation/existence of this so called invisible LFD layer. Based on how it is described, it means to me that it's only a processing layer but no effect on actual refresh rate of the display panel. I think this kind of additional processing/layer is not anymore needed as it is already being handled by android surfaceflinger.
    I can't pretend I understand all the techno-babble in the article, but my simplistic take-away was that it a complex evaluation and MAYBE if the stars align properly, the refresh rate might drop to 10 Hz.
    I'm more than happy with 48-96 Hz that I'm using now...of course I would love if at least in AOD and in long inactivity periods it would drop to 10Hz, but I kind of doubt we're ever going to see that.
     
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    paul_cherma

    Member
    Apr 20, 2021
    43
    11
    hello,
    Does this app conflict with NapTime doze settings if I install both? I see that the app offers an aggressive doze option just like naptime when screen goes off so not sure if anybody has both installed.
     

    sthuv

    Member
    Jun 14, 2006
    22
    3
    Hello, I have an issue with the app. When I tap the screen once, the AOD displays fine but when the screen turns off and I tap the screen again once, the AOD no longer displays. Is a manipulation to be done to resolve this problem ?
    Thanks
     

    tribalfs

    Senior Member
  • Mar 28, 2014
    997
    670
    Hello, I have an issue with the app. When I tap the screen once, the AOD displays fine but when the screen turns off and I tap the screen again once, the AOD no longer displays. Is a manipulation to be done to resolve this problem ?
    Thanks
    Disable "Turn off AOD" in Power Saving Mode setting of your device.
     

    tribalfs

    Senior Member
  • Mar 28, 2014
    997
    670
    Hello, I have an issue with the app. When I tap the screen once, the AOD displays fine but when the screen turns off and I tap the screen again once, the AOD no longer displays. Is a manipulation to be done to resolve this problem ?
    Thanks
    Disable "Turn off AOD" in Power Saving Mode settings of your device.
     

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      screenshot_20210316-052014_galaxy-max-hz-jpg.5251193

      About this app:
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