Android ADB No Permissions Fix (Ubuntu)
April 13, 2011 1 Comment
The Problem
You connected your device (phone, tablet ..etc ) to your computer via USB to use Android Debugging Bridge (ADB) – to run apps on your device from your computer or a lot of other stuff that you can do using ADB, for more see this – . However, your phone is appearing as “???????????? no permissions”
The Fix (2 solutions)
The Simple Solution (Easy & Not Permanent)
- Open Terminal (Shortcut: Ctrl+Alt+T)
- Change directory to the Android SDK Tool directory (e.g. /home/mzaher/Downloads/android-sdk-linux_x86/platform-tools)
- cd /<your android sdk tools directory location>/android-sdk-linux_x86/platform-tools
- Switch to root user and type the root password when asked to.
- su
- Kill ADB server
- ./adb kill-server
- Start ADB Server again (note: this time will be running as root)
- ./adb start-server
- Exit root session
- exit
- Test if the device is shown normally, you shoudn’t see the “???????????? no permissions”
- ./adb devices
- After every reboot you will need to re-do the past steps OR follow the solution below for a permanent fix.
The Hard Solution (Hard & Permanent)
Stay tuned





