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My environment -

  • HTC Explorer with USB debugging turned on
  • Ubuntu 12.10
  • ADT 21
  • Available targets - android-10, android-17

The output of adb devices on my system is - 

List of devices attached 
emulator-5554   device
????????????    no permissions

If the error message is to be believed it is a permissions issue. So I tried changing the permission of /dev/sdb to 777 but it did not work. (This is the device link that appears when I connect my phone) In the past I have used windows to debug my applications on my phone so I'm confident that my phone supports USB debugging.

What is causing this problem?

Kshitiz Sharma
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  • You need to start `adb` with root right: `su -c 'adb start-server'`. Stop it first (if it is already running) by `adb stop-server`. –  Feb 19 '13 at 09:32

2 Answers2

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This works for me is do all the adb kill and start as a root. This would then detect the device!

If above doesnot work then try following set up device for development (?????? no permissions)

Community
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Rohit
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A year ago I was developing on Ubuntu and had this exact problem but unfortunately I can't positively remember how I was solving it. I think I was starting adb as a root for my SE phone to be connected...

Try this:

adb kill-server sudo adb start-server

Nemanja Kovacevic
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