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No—not through a first-time ADB connection. USB debugging must already be enabled in Android’s Developer options, and the device may also need you to approve that computer on-screen. ADB cannot use a USB connection that is not yet available to turn on the setting it depends on.

Why an ADB command cannot enable USB debugging from scratch

Android’s documented USB setup requires USB debugging to be enabled in the device’s system settings under Developer options before you use ADB over USB. The on-device toggle enables the debugging service; a PC without an existing authorized ADB connection has no normal ADB shell through which to switch that setting on.

For that reason, adb shell settings put global adb_enabled 1 is not a general first-time setup command. It presupposes a working, authorized ADB shell or another privileged environment. Android’s documented setup starts on the device, not in the PC terminal. Android Developers: Android Debug Bridge and AOSP Settings source.

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Enable USB debugging and connect the PC

  1. Show Developer options if they are hidden. Find Build number in Settings and follow your device maker’s instructions to reveal Developer options. Android says Developer options are hidden by default on Android 4.2/API 17 and later. On Google Pixel, the documented location for Build number is Settings > About phone. Other manufacturers may use different menus. Android Developers: Configure on-device developer options.
  2. Turn on USB debugging on the Android device. The documented path is version-dependent: Android 9/API 28 and later: Settings > System > Advanced > Developer options > USB debugging; Android 8.0/API 26 and 8.1/API 27: Settings > System > Developer options > USB debugging; Android 7.1/API 25 and earlier: Settings > Developer options > USB debugging. Menu labels can vary by manufacturer. For Wear OS 6/API 36 and later, the guide lists Developer options > ADB debugging. Android Developers: Configure on-device developer options.
  3. Connect the device to the PC. Use a USB cable that fits the device and supports data transfer; connector types vary. Open a terminal in the Android SDK platform-tools directory, or make sure that directory is available in your terminal’s command path. Android Developers: Android Debug Bridge and Android Developers: Run apps on a hardware device.
  4. Check whether ADB detects the device. Run adb devices. If Android displays an RSA-key authorization prompt, review it on the device and accept it to trust that computer. Android 4.2.2/API 17 and later use this prompt; until you approve it, the PC is not authorized to run ADB commands. Android Developers: Android Debug Bridge.

What to do if the device is not ready for ADB

  • The command is not found: Run the command from the SDK’s platform-tools directory, or configure that directory in your command path.
  • The device is listed as unauthorized: Unlock the device, look for the RSA authorization prompt, and approve the computer if you trust it. Recheck with adb devices.
  • No device appears: Confirm USB debugging is on, reconnect the device, and check that the cable supports data rather than charging only. Android’s general instructions do not establish one universal cable connector or a single troubleshooting path for every manufacturer.
  • You cannot access Developer options or the setting is unavailable: Android’s general guidance does not cover every vendor menu or device-management restriction. Consult the manufacturer’s official support documentation for that specific device.

Can Wi-Fi debugging avoid the USB setup?

Android documents a separate wireless debugging workflow, but it is not a way to enable debugging remotely for the first time: wireless debugging must be enabled on the device, and the device must be paired with the development computer. Android Developers: Android Debug Bridge.

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