[Samsung Galaxy Z Fold3] tribalfs:
About this app:

Refresh Rate Control: Easily control the max refresh rate (Hz) of android devices with multiple refresh rates (e.g. note20 ultra, s20/S20+/S20Ultra, z fold 2, s21/s21+/s21Ultra, tab S7/S7+, z fold 3, z flip 3). This app can limit max refresh rate to 96hz (or any available refresh rate) on supported smartphones - you can save power with negligible difference on smoothness. Use either the in-app toggle or quick settings tile - ADB setup or Root NOT needed.

Note: 96hz on adaptive does not work on outer screen on Z Fold 3.

Force High: Option to force (fixed) a refresh rate mode (High Mode) on Samsung devices with native Adaptive motion smoothness***

Current Samsung smartphones natively supporting adaptive refresh rates:

Galaxy Note 20 Ultra

Galaxy Z Fold 2 (inner screen)

Galaxy Z Fold 3

Galaxy S21, S21+, S21 Ultra

Galaxy Z Flip 3

Refresh Rate Monitor: Observe how multiple refresh rates work on your device. Use either the in-app toggle or quick settings tile

Quick Resolution Switcher: Easily switch to any supported resolutions using the included quick setting tile***

Quick High/Adaptive on Power Saving Mode: Easily switch to high or adaptive motion smoothness mode (from Standard) even on power saving mode on supported Samsung smartphones.***

Need extra steps starting OneUI5.* except when using rooted with magisk and using lsposed(experimental). Test it first

Force to Lowest Hz: Force lowest refresh rate on screen-off/AOD. This overrides Samsung's strange stock behavior which sets the refresh rate to the highest on screen off (update: it is now at 60hz since oneui3.0) - to improve standby power consumption a bit - ADB setup or Root NOT needed.

Auto apply power saving mode during screen-off (after ~ 10 secs)***

Tasker plugin support: Automate GMH settings using the app's Tasker plugin support. Supported actions/variables: Max Refresh Rate, Keep Motion Smoothness on PSM, Motion Smoothness Mode, Quick-doze Mod, Change Screen Resolution. (new in v7.10). More info in FAQs below.

Premium Features:

Keep High/Adaptive motion smoothness when power saving mode is enabled whether manually or by the system/adaptive power saving***

Note: Stopped working on ZFold 3 updated to OneUI4.*

Adaptive refresh rate mod for devices supporting multiple refresh rates but do not have the stock Adaptive motion smoothness (e.g. S20 series, S20FE, TabS7/S7+) with the ability to set the brightness threshold for its activation***

Quick-doze mod: Quickly enter doze mode during screen-off that can not be interrupted by motion ***

Set minimum refresh rate for adaptive mode to 60hz or lower (if available)***

Resolution switcher filter: Filter what screen resolutions to include for the resolution switcher QS tile.

Auto SENSORS OFF (experimental non-root workaround):

Device sensors will automatically turn off while screen is off until the device is unlocked. This helps minimize battery-draining motion-triggered wakelocks while device is not in use.

7-day Premium Trial is available. Just click "Activate Premium|Trial" button and activate free trial when prompted.

Note: Ad-free license is on a per device basis.

***these marked features require a one-time ADB setup (this is not root)

Important Notes for OneUI5.1.1 and higher :

You also need to "Allow restricted settings" to the app:

Open Settings > Apps > Galaxy MaxHz > Click top right menu and Allow restricted settings

Important Notes for OneUI6.0 (Android14) :

Starting OneUI6.0, installing the app on OneUi6.0 requires doing it via ADB using this command:

adb install --bypass-low-target-sdk-block galaxy_max_hz_v8.1.apk

*The apk file should be inside the adb installation folder OR replace the file path in the command.

Download

Wiki (Please read specially before asking questions or reporting bugs).