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Galaxy MaxHz1

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 (e.g. 96hz instead of 120Hz).
    • Set refresh rates for low battery state.
    • Quick settings shortcut
    • Tasker plugin support
    • Configure separate default refresh rates when folded for supported samsung z-fold [premium]
  • Refresh rate mode switcher(Normal, Adaptive or High)2

    • Set you device motion smoothness mode to stationary refresh rates (high mode) for better smoothness if so desired on Samsung devices with native Adaptive motion smoothness with a little trade-off to the battery.
    • Adaptive refresh rate mod on devices that don't natively support adaptive refresh rate mode [premium]2
    • Tasker plugin support
  • Per-app refresh rate settings:

    • Configure different refresh rate settings for different apps, either adaptive or static [premium].
  • Keep selected refresh rate mode on power saving mode [premium]

    • Prevent system from switching to Standard mode when power saving mode is enabled
    • GMH will automatically apply a workaround to bypass 60Hz limitation on Power Saving Mode (PSM) on supported Samsung smartphones 2. Devices with OneUI5+ and those few with OneUI4.* require extra steps3 except when rooted with Magisk and using Xposed/LSPosed module.

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) to improve standby power consumption a bit.
    • Select refresh rate to set for AOD/screen-off[premium]
    • Tasker plugin support.
  • Auto power saving mode on screen-off2

  • Auto disable Autosync

  • Quick-doze mod

    • Quickly enter doze mode during screen-off that can not be interrupted by motion to improve standby power consumption[premium]2
    • Tasker plugin support
  • Auto SENSORS OFF (experimental 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
    • Note: Supports up to OneUI4 only

Extras

  • Battery protection mod [premium] (for OneUI4+)

    • Option to set different maximum charge limit other than stock limit
    • Option to set scheduled maximum charge limits
  • Animation mod2

    • Easily adjust animation duration and scale
  • Quick resolution switcher2

    • Easily switch to any supported resolutions using the included quick setting tile
    • Tasker plugin support
  • Customizable refresh rate monitor

    • Use statusbar or overlay which you can place anywhere on screen.
    • Tasker plugin support
  • Statusbar net speed indicator

    • Quick settings toggle [premium]

Note for modified ROM users: The app may or may not work depending on app's dependencies modified. Tweaks that modify the device model number in the build prop (ro.product.vendor.model) will cause bugs on the app including the license verification. Also, do not restore app from backup, always fresh install.

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.

Only Samsung devices are officially supported. Features may or may not work on other devices.

Contact developer

Footnotes

  1. Downloads

  2. These marked features of Galaxy Max Hz need WRITE_SECURE_SETTINGS permission in order to work. 2 3 4 5 6 7

  3. Extra steps required for some devices. After selecting Adaptive or High mode while on power saving mode, do any of the following methods:

    • Fake video call method: Do a quick video call to any (fake) number using the native video call app (not google meet; availability depends on SIM/mobile plan support);

    • Game booster method (now inside Gaming Hub): 1. Open Game Booster settings and ensure "Save power during touch protection" is turned on AND "Shortcut bar" is also turned on OR "Floating shortcut" is set to Touch Protection. 2. Open any game (preferably from game launcher) 3. Press the touch protection button(lock icon) in the floating shortcut bar and wait for the screen to dim ("Drag lock icon to unlock" text will fade) 4. Touch the screen again and unlock;

    • SmartView Method: Connect and disconnect to a wifi display receiver (e.g. smart tv, chromecast, windows laptops) using the SmartView function; OR

    • Dex Method: Connect and disconect to Samsung Dex on TV using an HDMI cable or Samsung Dex on PC using USB data cable. Connect the phone and confirm "Start now" prompt and disconnect once Samsung Dex has started.

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