
30 November 2024 Leave a comment Tech-Help
Encountering the “device unauthorized” error when attempting to connect your Android device for debugging can be a frustrating experience. This error often occurs when the Android Debug Bridge (ADB) fails to authenticate the connection between your device and development environment. Here, we provide a comprehensive guide to resolve this issue effectively.
Understanding the Issue
The “device unauthorized” message typically indicates that ADB has not been able to establish a secure connection with your device. This can be due to various reasons such as outdated software, a mismatch in ADB keys, or failure to receive the authorization prompt on your device.
Step-by-Step Solutions
1. Reset USB Debugging
- Navigate to Developer Options on your Android device.
- Toggle USB Debugging off and then on again.
- This should trigger the authorization prompt on your device. Confirm the prompt to establish a connection.
2. Remove and Re-Generate ADB Keys
If resetting USB debugging does not resolve the issue, consider removing existing ADB keys:
- Delete the ADB keys located in
~/.android/adbkey
and~/.android/adbkey.pub
on your computer. - Remove any authorized keys on your device, typically located at
/data/misc/adb/adb_keys
. - Restart your device and connect it again, allowing ADB to generate new keys.
3. Additional Considerations for Ubuntu Users
For Ubuntu users, configuring udev rules might be necessary:
- Identify your device’s
idVendor
using thelsusb
command. - Configure udev rules as per the official Android documentation.
- Revoke USB debugging authorizations on your device and restart the ADB server.
Enhancing Your Testing Workflow with Repeato
While resolving ADB connection issues is crucial for a smooth development process, leveraging tools like Repeato can further enhance your workflow. Repeato is a no-code test automation tool that allows you to create, run, and maintain automated tests for your Android applications. Its integration with ADB simplifies command execution, making it easier to automate repetitive tasks and focus on building robust applications.
For more information on setting up virtual test devices and running test batches, visit our documentation section.