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README.md

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-# GalaxyMaxHzPub
+# Galaxy Max Hz
+
+For **unrooted** device, the following features of Galaxy Max Hz need **WRITE_SECURE_SETTINGS** permission in order to work:
+* Resolution & Motion Smoothness Toggle
+* Switch between **Adaptive** or **High** Motion Smoothness mode for supported devices
+
+If your device is **rooted**, install and run the following mini-app to automate granting of **WRITE_SECURE_SETTINGS** permission to Galaxy Max Hz without the need of a PC.  You can uninstall the mini-app after:
+* [[Root]Write Secure for Galaxy Max Hz before v6.0](https://mega.nz/file/KdRFxYzQ#kKAW9U5avxtIpENfU2gFrC5WWW7jYfDr11VoAdTSoGY)
+* [[Root]Write Secure for Galaxy Max Hz v6.0 and above](https://mega.nz/file/CNZCnBDR#Ugw0vkIf281EytWDSA3lL1pyGUuIWzOR4iFnbavueGk)
+
+----------------------
+### TL;DR
+
+ * Run `adb shell pm grant com.tribalfs.gmh android.permission.WRITE_SECURE_SETTINGS`
+
+----------------------
+
+### 1. Enable developer mode
+
+ * Go to `Settings` > `About phone` > `Software information` and tap `Build number` multiple times until the developer mode is enabled.
+
+![about phone](about_phone.png)
+
+### 2. Enable USB debugging
+
+ * Go to `Android Settings app` > `System` > `Developer options`, scroll down a page and enable `USB debugging` option.
+
+![adb](adb.png)
+
+### 3. Download ADB on your computer
+
+ * Check [here](https://www.xda-developers.com/google-releases-separate-adb-and-fastboot-binary-downloads) and download ADB for your computer.
+
+ * Extract the downloaded zip file.
+
+### 4. Connect your phone to your computer
+
+----------------------
+
+### 5. Using command-line
+
+#### 5.1. Windows: Open up CMD
+
+ * Press `Windows + R` key on your keyboard.
+
+ * Type `cmd` and hit enter.
+
+![1](1.png)
+
+#### 5.2. macOS: Open up Terminal
+
+ * Search `Terminal` from Launchpad and run it.
+
+ * Run `sudo -s` and type your user password. **The terminal won't display how much characters you type, it'll remain blank.**
+
+ * Run `export PATH=.:$PATH`
+
+ **Without this, you will get `adb: command not found` errors.**
+
+### 6. Locate ADB
+
+ * From the terminal window, type "cd ". **Notice the empty whitespace after the "cd".**
+
+ * Locate the extracted `platform-tools` folder from Windows Explorer or Finder(macOS) and drag it over to the terminal window. It'll auto-fill the path.
+
+![2](2.png)
+
+ * Press enter.
+
+![3](3.png)
+
+### 7. Allow your computer to be used for USB debugging
+
+ * Enter the following to the CMD window, followed by an enter:
+
+ ```adb shell echo success```
+
+ * You can copy the commands and paste it by **right-clicking on the CMD window**.
+
+![4](4.png)
+
+ * The command may show an error, **this is normal**. Your phone will prompt `Allow USB debugging` for you.
+
+ * If it doesn't show an error, skip this step.
+
+![adb prompt](adb_prompt.jpg)
+
+ * Tap `OK`.
+
+ * Try `adb shell echo success` again. **It must print `success`**.
+
+![5](5.png)
+
+### 8. Grant write secure settings permission
+
+ * Enter the following to the CMD window, followed by an enter:
+
+ ```adb shell pm grant com.tribalfs.gmh android.permission.WRITE_SECURE_SETTINGS```
+
+ **Note that it's ```com.tribalfs.n20umaxhz``` if you are using the app version 5.40 or lower.**
+
+
+![6](6.png)
+
+ * If the command executed properly, it'll return silently.
+
+### 9. Disable USB debugging
+
+ * If you don't need USB debugging, it's a good practice to disable it to avoid potential unwanted access.
+
+ * Go to `Settings` > `Developer options`, scroll down a page and **disable** `USB debugging` option.
+
+ * Run `adb kill-server` from the terminal window.
+
+### 10. Done!
+
+**That's it!**
+
+You don't have to repeat this process unless you completely uninstall the app and reinstall it.