[App]Galaxy Max Hz (Refresh Rate Mods, Screen-off Mods, QS Tiles, Tasker Support and More) - Samsung Galaxy S21 Themes, Apps

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About this app:
Refresh Rate Mods
Change default refresh rates
- Easily change the overall refresh rate settings of devices supporting multiple refresh rates.
- Set supported mid refresh rates as the maximum refresh rate limit for battery savings
- Set separate refresh rates for power saving mode and for low battery state [1]
- Quick settings shortcut
- Tasker plugin support
Refresh rate (motion smoothness) mode switcher(Normal, Adaptive or High)[2]
- Set you device motion smoothness mode to static refresh rates (high mode) for better smoothness if so desired
- Tasker plugin support
Per-app refresh rate settings:
-Set different refresh rate settings for every app either adaptive or static [1]
Keep selected refresh rate mode on power saving mode[1]
- On devices with One4 or lower, GMH will automatically apply a workaround to bypass 60Hz limit on Power Saving Mode.
- Need extra steps on OneUI5.* except when using magisk and lsposed(experimental). Test it first
Screen-off Mods:
Screen off/AOD refresh rate (Force to Lowest Hz)
- Force the lowest refresh rate on screen-off or Always-On Display(AOD)
- Tasker plugin support
- Select custom refresh rate for AOD/screen-off [1]
Auto apply power saving mode during screen-off [2]
Auto disable Autosync
Quick-doze mod
- Quickly enter doze mode (than usual) during screen-off that can not be interrupted by motion with customizable maintenance window interval [1][2]
- Tasker plugin support
Auto SENSORS OFF (non-root workaround)
- Device sensors will automatically turn off while screen is off until the device is unlocked to help minimize battery-draining motion-triggered wakelocks while device is not being used [premium]
- Tasker plug-in support
- Supports up to OneUI4.* only
Others
Battery protection mod
- Option to set maximum charge to 86%-95%(for OneUI4+) [1][2]
Quick resolution switcher
- Easily switch to any supported resolutions using the included quick setting tile[2]
- Tasker plugin support
Customizable refresh rate monitor
- Use statusbar or overlay which you can place anywhere on screen.
- Tasker plugin support
Animation mod
Net speed statusbar indicator
OneUI inspired UI.
[1] Enabled for premium users (with 2 days premium trial)
[2] These features require a one-time ADB procedure (this is not root)[/TD]
Info:
This app targets older android sdk in order to control refresh rates without ADB setup or root. Just tap OK the dialog that says "This app was built for an older version of Android...." when opened for the first time. If OK button is not visible, just tap the blank space on the lowest portion of the dialog. If google play protect prompts during install that the app is built for older version of android and doesn't include the latest privacy protections, you can ignore it and proceed to the installation. For privacy related concern, please refer to FAQ No. 3.
Download and changelogs
Github wiki

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WIll be interesting to see if this makes much of a difference. With the S21 touted as having dynamic refresh rate adjustment, it shouldn't be needed, in theory.

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Corlan said:
WIll be interesting to see if this makes much of a difference. With the S21 touted as having dynamic refresh rate adjustment, it shouldn't be needed, in theory.
Click to expand...
Click to collapse
You got the wrong theory.
It's not the first to have the adaptive refresh rate, note 20 ultra is. Been using this on note 20 ultra .
Though refresh rate is adaptive, phone is using the highest refresh rate (i.e. 120hz) atleast 80% of the time.
Setting the max to 96hz definitely consumes less battery than 120hz.
And this is not only what you can do with this app.

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One question: us the 60hz also adaptive? Goes down to 10hz when not in use?

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Goku1992 said:
One question: us the 60hz also adaptive? Goes down to 10hz when not in use?
Click to expand...
Click to collapse
Sorry your question is not clear to me.
But if you are asking for smartphones with standard refresh rate (i.e. 60hz), I think they are all on a single 60hz refresh rate (i.e. fixed). I have not known any which can go lower than 60hz, moreso on the capability to go as low as 10hz. In fact, the S21 Ultra is the only smartphone capable to do so as of the moment.

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tribalfs said:
Sorry your question is not clear to me.
But if you are asking for smartphones with standard refresh rate (i.e. 60hz), I think they are all on a single 60hz refresh rate (i.e. fixed). I have not known any which can go lower than 60hz, moreso on the capability to go as low as 10hz. In fact, the S21 Ultra is the only smartphone capable to do so as of the moment.
Click to expand...
Click to collapse
Sorry. On the s21 ultra does the 60hz mode is also adaptive?

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Goku1992 said:
Sorry. On the s21 ultra does the 60hz mode is also adaptive?
Click to expand...
Click to collapse
Sorry I don't know yet.
But if we based it on the existing implementation of Samsung in Note 20 Ultra's "standard mode", it is not lowering down to 48hz (the lowest refresh rate it is capable) when the screen is idle or if it has static content or even when the screen is turned-off or in AOD.
If fact this is true even in Adaptive Mode - Samsung actually (and strangely) sets it to the highest refresh rate (120hz) when in AOD or when screen is off. Watch closely this video. This is the reason why this app includes a "Screen off refresh rate mod" to override this behavior.
Not sure though if this will be the same for S21 Ultra.

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tribalfs said:
Sorry I don't know yet.
But if we based it on the existing implementation of Samsung in Note 20 Ultra's "standard mode", it is not lowering down to 48hz (the lowest refresh rate it is capable) when the screen is idle or if it has static content or even when the screen is turned-off or in AOD.
If fact this is true even in Adaptive Mode - Samsung actually (and strangely) sets it to the highest refresh rate (120hz) when in AOD or when screen is off. Watch closely this video. This is the reason why this app includes a "Screen off refresh rate mod" to override this behavior.
Not sure though if this will be the same for S21 Ultra.
Click to expand...
Click to collapse
Mate i will try when i receive my s21 ultra. But logistic is busy there, should have received it yesterday... Hope tomorrow...

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Goku1992 said:
Mate i will try when i receive my s21 ultra. But logistic is busy there, should have received it yesterday... Hope tomorrow...
Click to expand...
Click to collapse
Thanks, mate. Will standby for your update.

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I'm running into the following error while trying to set up the ADB on phone using my laptop:
adb: device unauthorized.
This adb server's $ADB_VENDOR_KEYS is not set
Try 'adb kill-server' if that seems wrong.
Otherwise check for a confirmation dialog on your device.
I didn't see any popup requesting permission on my phone. Any advice?

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minhgurluver said:
I'm running into the following error while trying to set up the ADB on phone using my laptop:
adb: device unauthorized.
This adb server's $ADB_VENDOR_KEYS is not set
Try 'adb kill-server' if that seems wrong.
Otherwise check for a confirmation dialog on your device.
I didn't see any popup requesting permission on my phone. Any advice?
Click to expand...
Click to collapse
Try to do the following:
Disconnect USB > Turn off USB debugging > Revoke USB debugging authorization > Turn-on USB debugging
You can then resume to procedures described here.

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Sorry mate my phone havent arrived till now :/ eagerly waiting :/

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Goku1992 said:
Sorry mate my phone havent arrived till now :/ eagerly waiting :/
Click to expand...
Click to collapse
No worries, mate.
Take your time. It will arrive soon!

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Ive ordered via Samsung.de... Dont know whats wrong... Support isnt good

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adamlee2012 said:
Works on s21 ultra. I have 96hz set and it drops to 60 when you aren't touching the screen. Also the screen off mode could be improved. It drops to 48hz but lowest on s21 is 10hz.
Click to expand...
Click to collapse
I'll check that.
Can you share screenshot of the app showing the upper portion?
If you disable screen off mode, what is the screen off refresh rate shown?
Thanks.

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adamlee2012 said:
Works on s21 ultra. I have 96hz set and it drops to 60 when you aren't touching the screen. Also the screen off mode could be improved. It drops to 48hz but lowest on s21 is 10hz.
Click to expand...
Click to collapse
tribalfs said:
I'll check that.
Can you share screenshot of the app showing the upper portion?
If you disable screen off mode, what is the screen off refresh rate shown?
Thanks.
Click to expand...
Click to collapse
I have identical behavior so seems like its just s21ultra tweak needed in general.
(Limited it to 96hz for now though thank you!)

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nxneko said:
I have identical behavior so seems like its just s21ultra tweak needed in general.
(Limited it to 96hz for now though thank you!)
Click to expand...
Click to collapse
10hz is not enabled in the system.

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nxneko said:
I have identical behavior so seems like its just s21ultra tweak needed in general.
(Limited it to 96hz for now though thank you!)
Click to expand...
Click to collapse
Thank you for this ppst and also the upper post. Can you use 60hz and it is going down to 48? Sadly my ultra should have arrived one week ago but Samsung.de have big shipping problems so likely i must wait another week :/

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adamlee2012 said:
Strange because it's claimed the lowest it can go is 10hz but can't find any details explaining when it uses 10hz.
Click to expand...
Click to collapse
Think it will need an update. The note 20 uktra had the same problem at the begining and now it goes down to 48hz when you dont touch the screen

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Goku1992 said:
Think it will need an update. The note 20 uktra had the same problem at the begining and now it goes down to 48hz when you dont touch the screen
Click to expand...
Click to collapse
When its set to 60hz, it just stays there. Regardless of Adaptive or standard. When you re-apply adaptive mode, the app no longer allows 48hz as lowest refresh rate, only 60 as minimum when you set 96hz or 120hz as max refresh. I have not seen 48 outside of screen-off which is reporting at 48 when toggled instead of the 60hz s21u selects as its screen-off Hz.
You are not missing too much, as I hear the os release is still pre-release technically and full release OTAs are around corner. There are many display bugs still.