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When I open the Android Device chooser it shows a phone. But, instead of the serial number and other details it shows a series of question marks - "????????".

Any suggestions on how I can use the phone for debugging?

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    Have you installed the Motorola Devicemanager (for the USB driver)? Also make sure the device unlocked and screen is on. My Moto G is displayed correctly in Eclipse on Windows 7.
    – Robert
    Commented Mar 21, 2014 at 15:31
  • Thanks Robert! The problem was with the selection mode. Apparently MTP doesn't work too well with Ubuntu. When I switched to PTP the USB debugging started working.
    – msa
    Commented Mar 23, 2014 at 12:16
  • You should mention the used operating system in your next question...
    – Robert
    Commented Mar 23, 2014 at 14:00
  • You should ask, before replying.
    – msa
    Commented Mar 24, 2014 at 16:43
  • Usually only Windows users don't mention their operating system.
    – Robert
    Commented Mar 24, 2014 at 21:30

1 Answer 1

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The problem was with the selection mode.

Apparently MTP doesn't work too well with Ubuntu. When I switched to PTP the USB debugging started working.

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