> For the complete documentation index, see [llms.txt](https://phonetracker247-1.gitbook.io/support.phonetracker247.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://phonetracker247-1.gitbook.io/support.phonetracker247.com/guide/agent-app/post-installation/brand-specific-instructions.md).

# Brand-Specific Instructions

Some Android manufacturers apply aggressive battery and security policies that may interrupt the background operation of the Agent app. Please follow the brand-specific adjustments below to ensure continuous functionality.

***

### Samsung

1. **Google Play Protect**
   * *Play Store → Profile → Play Protect → Settings → Turn off*.
2. **Battery Optimization**
   * *Settings → Apps → \[Agent App] → Battery → Allow background activity*.
3. **Permissions**
   * *Settings → Apps → \[Agent App] → Permissions → Allow all required permissions (Location, Contacts, SMS, Microphone, etc.)*.

***

### Xiaomi / MIUI

1. **Google Play Protect**
   * *Play Store → Profile → Play Protect → Settings → Turn off*.
2. **Auto-Start Management**
   * *Settings → Apps → Manage apps → \[Agent App] → Enable Auto-start*.
3. **Battery Saver**
   * *Settings → Battery & performance → Battery saver → Set \[Agent App] to “No restrictions”*.

***

### Oppo / Realme

1. **Google Play Protect**
   * *Play Store → Profile → Play Protect → Settings → Turn off*.
2. **Lock in Recent Apps**
   * After opening the app, swipe up to Recent Apps → Pull down on \[Agent App] → Lock.
3. **Background Running**
   * *Settings → Battery → App Battery Management → \[Agent App] → Allow background activity*.

***

### Huawei

1. **Google Play Protect**
   * *Play Store → Profile → Play Protect → Settings → Turn off*.
2. **App Launch Management**
   * *Settings → Battery → App launch → \[Agent App] → Manage manually*.
   * Enable: **Auto-launch**, **Secondary launch**, **Run in background**.

***

### Vivo

1. **Google Play Protect**
   * *Play Store → Profile → Play Protect → Settings → Turn off*.
2. **Background Power Management**
   * *Settings → Battery → High background power consumption → \[Agent App] → Allow*.
3. **Permissions**
   * Ensure **Location, Contacts, SMS, Microphone** are granted in *Settings → Apps → Permissions*.

***

📌 **Note:**

* Menus may differ slightly depending on the Android version or device model.
* If the app is still removed or not running in the background, please re-check this section or refer to **Troubleshoot**.


---

# Agent Instructions
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