Android device is not connected to USB for debugging Android studio

Question

I am trying to debug my application using a real device instead on the emulator  When I try to connect  it gives me the message      USB device not found   I tried to unplug and plug it again  but it did not work  And I have also enabled USB debugging and unknown sources options in my device    Any help is appreciated   Thanks

User · Answer

The solution for me was following the instructions at https://developer.android.com/studio/run/oem-usb.html#InstallingDriver. Specifically, the key part from that link that helped me to find the solution was this: "Install a USB Driver. First, find the appropriate driver for your device from the OEM drivers table below." This means that you cannot find a single link that applies to everyone as the solution. It will depend on your device! "So I visited the page to get OEM Drivers at https://developer.android.com/studio/run/oem-usb.html#Drivers. In my case, the device I was using was an LG K8 LTE. I had to go to http://www.lg.com/us/support/software-firmware-drivers#, Browse by product and I found the driver I needed under the Model Number "LGAS375 KG K8 ACG - AS375", Cell Phone Product. From http://www.lg.com/us/support-mobile/lg-LGAS375 I used the "Install the USB DRIVER" for Windows (http://tool.lime.gdms.lge.com/dn/downloader.dev?fileKey=UW00120120425).

Depending on the device model you are using, you will need to find the specific drivers that work for your phone, and that should work.

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I ve been having this issue on Mac OSX Mavericks using Android Studio  using my Samsung Galaxy Express   I did a little trick  Run -  Edit Configurations -   Run -  Show chooser dialog  When I  play  and the dialog appeared  I connected my device and it did appear

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I had the same problem with a Samsung galaxy note 2  It was recognized on one pc but not on another one  both running windows 7 64b   After hours of struggling  I installed Kies  from the Samsung website  on the pc where Android Studio was unable to detect the smartphone  Kies was installed on the other one     Like magic  Android Studio detected the phone     I noticed that the Kies installer installed some driver for the phone   Consequently  for those meeting the same detection problem  I would strongly advise to first install Kies

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I am using Samung S8  I tried to install    Intel Android Driver Samsung USB driver   But the adb bridge driver was still missing  I finally got it to work by installing the Samsung Smart Switch application which is a media manager application   Updated at 2018-04-20  If you are struggle with the driver  just use http   adbdriver com downloads

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I had tried restart the device  and it s work  popup and ask want to trust the mac for debug mode

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I have a Samsung Galaxy S4  Although visible from Devices  my phone was not listed as connected from Android Studio  I tried a few things independently  and then together  and found that only a combination of steps fixed the issue  so this is for you if measures listed above or on another site did not work on their own    Enable USB debugging from  Developer Options  Download Kies from Samsung  I believe Samsung US has replaced Kies with a new software called Smart Switch  but this did not resolve anything for me  I found a Samsung UK download of Kies that worked fine  After connecting your phone to your PC via USB  go to your phone notifications and click on USB settings at the top  Switch it to Camera mode    I repeat  only all 3 of these together fixed the issue  so if some fixes you have tried haven t worked  use these 3 and it could fix the problem for you  Best of luck

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I had the same problem with connecting my Galaxy Nexus to win7 x64  I solved it by getting drivers  they can be downloaded from here or also via Android SDK manager

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I had this problem occurring suddenly in Dell Ubuntu linux machine with Android Developer Studio  I did the following steps        1  I opened  System Settings      2  Select the listed item  Software and Updates      3  Click on the tab  Additional Drivers      4  There was a mention about  Dell Inc  Unknown  and the option  Do not use use the device  selected  I selected the alternate driver mentioned and did an  Apply the Changes     It started working

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This solution works for every unrecognized android device    mostly general brands don  t come with usb debugging drivers      go to settings control panel hardware and sound device manager And look for any devices showing an error  Many androids will show as an unknown USB device or just Android   First thing you need will be your device IDs   You can get them opening up the device manager and finding the  Unknown Device  with a yellow exclamation point   Right click on it and select  Properties   and then go to the  Details  tab   Under the  Property  drop down menu  select hardware IDs   There should be two strings   USB VID 2207 amp PID 0011 amp REV 0222 amp MI 01 USB VID 2207 amp PID 0011 amp MI 01   Copy those strings somewhere and then navigate to where you downloaded the Google USB driver   Then you need to open up the file  android winusb inf  in a text editor   I would recommend using Notepad       First  create a sub-section for your device   I called mine   RCA 6378W2  but it doesn t really matter what you call it   Then  under the sub-section you created paste the Device ID strings you copied from the Device Manager  preceded by   SingleAdbInterface     If you need help  look at this screenshot   NOTE   If you are using Windows 8 or 8 1  you will need to disable device driver signature checks before you ll be able to install the modified driver  Here s a quick video on how to disable device driver checks http   www youtube com watch v NM1MN8QZhnk   Ignore the part at the beginning about 64 bit  your computer architecture doesn t matter   Please look at this article  for more information and MacOS instructions

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Windows  many times it will not recognize the device fully and because of driver issues  the device won t show up    1  go to settings   2  control panel   3  hardware and sound   4  device manager

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For example   My file path   C      sdk extras google usb driver android winusb inf   My data to paste    Tablet PC   SingleAdbInterface           USB Install  USB VID 18D1 amp PID 0003 amp MI 01   CompositeADBInterface        USB Install  USB VID 18D1 amp PID 0003 amp REV 0230 amp MI 01

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If you re using a USB Type-C cable  check if it has the charging and data transfer capability  Many USB Type-C cables are for charging only  and are not recognized by Android Studio

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After you put your phone on developer mode  restart it  That worked for me  maybe it will work for you also  After restarting it  the phone was recognized  drivers were automatically installed  Note - I m running on Windows 7

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Restart Android Studio Worked in my case

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I had this problem with a Nexus 7 - it appeared in Device Manager fine but wasn t recognised by Android Studio  The device had USB debugging turned on  Eventually I noticed an icon in the top left hand corner that said  Connected as a media device  Touch for other USB options   When I selected this I was able to change from Media Device  MTP  to Camera  PTP  and then it started working

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I just ran adb command prompt and hit  adb devices  and it showed daemon was not running  It installed itself and now i can able to see android devices there   C          source repos ABC ABC Ex Android gt adb devices List of devices attached   daemon not running  starting now at tcp 5037   daemon started successfully ZF22Q3T      unauthorized   and Reload the project

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For me  this simple trick worked   I actually enabled and disabled the listed USB Adapter for android in the device manager  Control Panel -  Hardware  amp  Sound -  Device Manager   And holy moly it s working   D

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Check installed drivers  If drivers ok  check device usb-port it could be damaged

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If you are on windows  many times it will not recognize the device fully and because of driver issues  the device won t show up    go to settings control panel hardware and sound device manager   And look for any devices showing an error  Many androids will show as an unknown USB device  Select that device and try to update the drivers for it

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You need to install the driver first  Follow the instructions on the Android s developers website   http   developer android com tools extras oem-usb html

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Found out for Samsung  Installing Kies also update the usb driver which solve my problem with connecting my Samsung Galaxy S Advance with Android 4 1 2 to Android Studio on Windows 7 64bit  In this case the devise manager shows device driver is updated and working  but when I connect my phone Android Studio does not recognize my device

User · Answer

Well  in my case updating drivers  restarting Android Studio  restarting my phone  changing the USB mode or unplugging USB did not help   Then I went to the dev settings in my phone  toggled the Dev  Mode off and back on  and it worked  AS was open and phone was plugged at the moment

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How to get connection to device working using adb command line   USB debugging enabled on phone and phone connected   I am exercising these commands on linux redhat and ubuntu  but same commands work under the hood on windows  The device manager runs adb commands  You can find a console in your device manager or regular command-line works if you set up your paths to SDK   If you can run adb and see something like          in devices list        android-studio sdk platform-tools adb devices List of devices attached                  no permissions   You might be running the adb server as a regular user  You might have to run the adb server as root   So kill the server as regular user and start it as root     adb kill-server   which adb   sudo  lt fullpath gt  android-studio sdk platform-tools adb start-server   Now look at adb devices list  if it is first time this machine connects to this phone you will see  unauthorized      adb devices List of devices attached  MWS0216A31xxxxxx    unauthorized   At this point on phone you should have dialog popped up and you can tap ok to authorize  Then you should see  device  in the devices list and commands like shell push pull sync backup    should work     adb devices List of devices attached  MWS0216A31xxxxxx    device    adb shell  uname -a  df  ls  storage sdcard0 Download  Linux localhost 3 10 90-g2ff1b22  1 SMP PREEMPT Tue Dec 27 17 12 50 CST 2016 aarch64 Filesystem               Size     Used     Free   Blksize  dev                     1 3G   108 0K     1 3G   4096  sys fs cgroup           1 3G    12 0K     1 3G   4096  mnt                     1 3G     0 0K     1 3G   4096  sys fs cgroup pids  Permission denied  system                  2 4G     2 3G   106 8M   4096  cust                  492 0M   327 7M   164 3M   4096  cache                 248 0M   160 0K   247 8M   4096  splash2  Permission denied  3rdmodem               59 0M     4 9M    54 1M   1024  3rdmodemnvm  Permission denied      storage                 1 3G     0 0K     1 3G   4096  data                   25 1G    10 9G    14 2G   4096  mnt runtime default emulated  Permission denied  storage emulated       25 1G    11 2G    13 8G   4096  mnt runtime read emulated  Permission denied  mnt runtime write emulated  Permission denied       Lovely jubly  Hopefully

User · Answer

Try a different cable  ideally an official Samsung one   I had tried a crappy USB cable I had lying around and then tried another which was Samsung and works perfectly now   Not sure why they would be different though but worked for me

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Galaxy S7  I had to go to Settings  Developer Options and allow USB Debugging  This asked to approve computer it was attached to and it showed up instantly

[android] Android device is not connected to USB for debugging (Android studio)

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