How to Fix ADB Device Unauthorized Error

Android Debug Bridge is a tool to manage Android devices from a computer, which right now is throwing an "ADB device not authorized" error.

You've got the steps right for fixing the "ADB Device Unauthorized" error! Here's a breakdown with additional explanations:

How to Fix ADB Device Unauthorized Error
The Problem:

This error occurs when your computer (using ADB - Android Debug Bridge) cannot communicate with your Android device because the device hasn't authorized the connection.

The Solutions:

Check Your USB Cable:

Try a different USB cable, preferably the one that came with your device. Damaged cables can cause connection issues.

Check USB Debugging:

• On your Android device, go to Settings > Developer Options (you might need to enable Developer Options first).
• Ensure "USB Debugging" is enabled. This allows ADB to communicate with your device.

Restart the ADB Server:

• Open a command prompt or terminal on your computer.
• Type adb kill-server and press Enter to stop the ADB server.
• Then type adb start-server and press Enter to restart it.

Update Your USB Drivers (if applicable):

• Outdated drivers can cause communication problems.
• The method to update drivers varies depending on your computer's operating system. Consult your system's documentation for specific instructions.

Uninstall and Reinstall ADB Drivers (if necessary):

• Step 1: Uninstall the ADB Driver:
• The specific steps may differ based on your operating system. Generally, you can uninstall ADB drivers through your device manager.
• Step 2: Download and Install the ADB Driver:
• Download the latest ADB drivers from the Android SDK Platform Tools package (official source from Google).
• Follow the installation instructions for your operating system.

Additional Tips:

• Make sure you're using the correct ADB version for your Android device.
• Unlock your Android device's screen before connecting it to your computer.
• On some devices, you might see a permission prompt on your device screen when you connect it to your computer for ADB access. Grant the permission.

By following these steps systematically, you should be able to resolve the "ADB Device Unauthorized" error and establish a proper connection between your computer and Android device.

This is how we finish this article on How to fix the ADB device unauthorized error, so we hope we have been of as much help as possible so that you can correct the problem quickly.