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How to Revoke USB Debugging Authorizations on Android

Revoke saved USB debugging approvals in Android Developer options, then approve a computer again if you want to use ADB with it.
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To revoke a computer’s saved USB debugging trust, open Settings > Developer options > Revoke USB debugging authorizations on your Android device and confirm if asked. The next time you connect a computer you want to use with ADB, unlock the device and approve its authorization prompt again.

Revoke saved USB debugging authorizations

  1. Open the Settings app on your Android device.

  2. Open Developer options. The menu may be under System or Advanced; if you cannot find it, search Settings for “Developer options.” Its location and label vary by Android version and manufacturer. Google’s Developer options guide lists common paths and notes that manufacturers may differ.

  3. Tap Revoke USB debugging authorizations and confirm if prompted. The wording of the confirmation may vary by device.

  4. Disconnect and reconnect the computer. To use ADB with it again, unlock the device and accept the authorization prompt.

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Android’s device-connection guide recommends revoking authorizations when a connected device is reported as unauthorized, then reconnecting and granting authorization again.

What happens after revocation

Revocation clears previously approved ADB computer authorizations; it does not erase user files or reset the phone. When a computer reconnects, Android asks whether to accept that computer’s RSA key. Android 4.2.2 (API level 17) and later require this approval. Android explains that this protects the device because USB debugging and other ADB commands cannot run unless someone can unlock the device and acknowledge the prompt. See Run apps on a hardware device.

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Choose the right action for wireless debugging

On Android 11 (API level 30) and later, Wireless debugging can pair a workstation with the device. Use the action that matches what you want to remove:

  • Remove one paired workstation: Open Wireless debugging, tap that workstation under Paired devices, then select Forget.

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  • Remove all saved debugging approvals and pairings: Use Revoke USB debugging authorizations. Android says this unpairs all previously paired workstations.

  • Pause wireless debugging: Turn off the Wireless debugging toggle or its Quick Settings tile. Switching it off temporarily is different from revoking saved approvals.

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Android’s ADB guide explains that wireless pairings remain until the workstation is forgotten or ADB debugging authorizations are revoked.

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If Developer options is missing

Search Settings for “Developer options” first. Common locations differ by Android generation: Google lists Settings > System > Advanced > Developer options for Android 9 and later, Settings > System > Developer options for Android 8.0 and 8.1, and Settings > Developer options for Android 7.1 and earlier. Device makers may use different menus or names, so the search field or the manufacturer’s Settings organization may be more useful than a single universal path.

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