adb not finding my device phone MacOS X

Question

Doing Android development on a Mac and this very new phone I have doesn t show up in the devices list in adb  Lots of other phones and devices work fine for me so I know my setup is good   I have debugging enabled  Settings --  Applications --  Development --  USB debugging  on the phone  but it just doesn t show up when I run adb devices

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NOTE TO FOLKS WHO CANT GET ANY OF THIS ADVICE TO WORK

Try launching Console.app and watching for errors when you plug in your device. I was getting

# The IOUSBFamily is having trouble enumerating a USB device that has been plugged in. It will keep retrying.

It persisted after reboots, so I eventually reset my PRAM and that got it working again.

HOW TO PERFORM A PRAM RESET

Shut your machine down completely.
Briefly hit the power button
Hold down Command + Option + P + R
Wait until you hear the boot chime for a 3rd time
Release all keys and let the machine continue to boot completely

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Tried all the above  the last piece missing was to enable USB Debugging within Developer Options which was hidden on my 4 4 Galaxy Note 10 1   See item 5 2 from this link

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I had a similar issue  I ve discovered that MTP is not supported in OSX  I changed it to PTP  I was promoted to approve my laptop and then my device was finally listed  LG G3

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Just an extra bit of help  the device needs to be directly connected to the computer  connecting it to an USB hub might prevent the device prompt from displaying

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Believe it or not  swapping USB cables solved this for me  I d been using a random one  which wasn t working   and as soon as I switched over to one that came with an actual Android device  it worked   Another sign that the good cable was working  was that the Android File Transfer app immediately launched  which wasn t happening with the crappy cable

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None of the above answers worked for me  On macOS Mojave  open console app  you may see an error like this   001076 240057 adb  null   IOUSBUserClientLegacy  start  missing entitlement com apple appledfr client   Even resetting the mac PFRAM didn t help  To fix this issue    Connect Android device via USB cable double USB-C cable worked for me   Go to Settings -     -  Developer Options and click Revoke USB debugging authorizations The Android phone will go for a reboot  Go to Settings -     -  Developer Options and make sure USB debugging is enabled  Now in macOS terminal enter   adb devices  You can see your device listed    It worked for my Google Pixel 2 phone

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In case  like me  none of the above worked for you  I figured out a very stupid solution    I m using a HTC One X on a 2011 Macbook Pro  I just disabled NFC in Settings   Wireless  amp  Networks   More   NFC and viola  Working normally

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Its damn strange but just plugging to the USB port located next to Thunderbolt port on my mid-2014 MBP with Retina worked   The other USB port would simply not recognise the device

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On the LG G3 I was able to get it working by installing ADB via homebrew  Installing ADB on MAC OS X  and then disabling enabling USB debugging

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Here is another thing to try  if like me you have tried all of the other answers and have had no luck   In my case  Android 4 3  I went into the USB settings under the notifications and changed from MTP mode  Media device  to PTP  camera  and as soon as it switched  the device showed up in the ADT device list

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Just in case it helps somebody in the future  I had accidentally turned off  USB debugging  in my settings when I was enabling disabling  Show layout boundaries   So  first check this setting in your  Developer options

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In my case  USB debugging wasn t enabled on my device yet connecting the device to my macbook didn t cause the familiar  Allow USB Debugging  dialog to pop up on the screen

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Important Update   As  equiman points out  there are some USB cables that are for charging only and do not transmit data  Sometimes just swapping cables will help  Update for some versions of adb     android adb usb ini has to be removed  Executive summary  Add the Vendor ID to    android adb usb ini and restart adb Full Details  Most of the time nothing will need to be done to get the Mac to recognize the phone device  Seriously  99  of the time  quot it just works  quot  That being said  the quickest way to reset adb is to restart it with the following commands in sequence    adb kill-server   adb devices  But every now and then the adb devices command just fails to find your device  Maybe if you re working with some experimental or prototype or out-of-the-ordinary device  maybe it s just unknown and won t show up  You can help adb to find your device by telling it about your device s  quot Vendor ID  quot  essentially providing it with a hint   This can be done by putting the hex Vendor ID in the file    android adb usb ini But first you have to find the Vendor ID value   Fortunately on Mac this is pretty easy   Launch the System Information application   It is located in the  Applications Utilities  folder  or you can get to it via the Apple Menu in the top left corner of the screen  select  quot About this Mac quot   then click the  quot More Info    quot  button   Screen grab here   Expand the  quot Hardware quot  tree  select  quot USB quot   then look for your target device  In the above example  my device is named  quot SomeDevice quot   I did that in photoshop to hide the real device manufacturer   Another example would be a Samsung tablet which shows up as  quot SAMSUNG Android quot   btw  I didn t have to do anything special to make the Samsung tablet work    Anyway  click your device and the full details will display in the pane below  This is where it lists the Vendor ID  In my example from the screenshot the value is 0x9d17 -- use this value in the next command echo 0x9d17  gt  gt     android adb usb ini  It s okay if you didn t already have that adb usb ini file before this  most of the time it s just not needed for finding your device so it s not unusual for that file to not be present   The above command will create it or append to the bottom of it if it already exists   Now run the commands listed way above to restart adb and you should be good to go  adb kill-server   adb devices    daemon not running  starting it now on port 5037     daemon started successfully   List of devices attached  123ABC456DEF001 device

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For me this is what worked  I have a Huawei device and I had to install HiSuite from the AppStore  followed its instructions to enable HDB  then in my phone change USB mode to PTP and I started to see some popups about authorizing the device  after that adb devices detected the device

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I had to enable USB debugging  Security settings  developer option in addition to USB debugging in Redmi Note 4

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I was experiencing the same issue and the following fixed it    Make sure your phone has USB Debugging enabled   Install Android File Transfer You will receive two notifications on your phone to allow the connected computer to have access and another to allow access to the media on your device  Enable both  Your phone will now be recognized if you type  adb devices  in the terminal

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None of the tips above worked for me on my Mac OS X Lion set up  I have Motorola phones running 2 3 6  It turns out that I needed to install drivers for Motorola phones  I found them here

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Another tricky thing with modern Android is you set the device behavior by selecting  Use for  of the device   If it is set as  Use for  charging for example the device won t be detected by ADB  switching to PTP MTP other behavior which is more  active  will auto-magically make your device detectable

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This only worked for me after I ve enabled developer usb debugging on the phone   On your android phone  go to Settings   About  then tap repeatedly on Build Number until Developer Options is enabled

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I switched to a different USB port and that got it to show up in the adb devices list   That was the only thing that worked for me of all the solutions proposed here   It was proposed by  user908643 in this comment

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I had a devil of a time with this   I attempted this method but it did not work   I ended up turning OFF USB debugging and the device then requested that install motocast    It attempted to use the build in installer but it kept crashing past the download   After I downloaded it manually and installed it  I was able to do it   I am running 10 6 8 and the device is a Xoom 2 running 3 2 2   After that installation  it worked fine

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if you are trying to detect a samsung galaxy s3  then on the phone go to settings -  developer options -  make sure usb debugging is checked

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When I plugged the Android 10 device to the Mac OS a popup showed on the phone saying  The Mac OS cannot access data on this device  you will have to download filetransfer or smart-switch   Download file transfer https   www android com filetransfer  for android Download smart-switch https   www samsung com us smart-switch  for Samsung I guess  Though not sure why there are two options here   I downloaded file transfer and it worked perfectly even though the device was Samsung Note   Note  I forgot to mention that first you have to enable Developer mode then USB Debugging

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In my case  it was because the USB cable   I discovered there are two types of USB cables    Those that only supply power Those that supply power and can transfer data   And it s hard to know what type is a USB cable  Now I make a notch on my cables with data transfer

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I have seen this problem and tried every solution on stackoverflow and other sites  but nothing help me  I have restarted adb  switching on developer mode and activating usb debugging  uninstalling samsung kies and even exchanging the usb cables to different ports   But then I read somewhere that different usb cable use different pins for connecting to the laptop or computer   So I used different usb cable to connect my samsung phone to mac    and vowwww it works    for me

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If you are using following devices  Samsung S3 GT-I9305  Android 4 1 2  Mac OS 10 6 8  Do following     echo  0x04e8   gt  gt     android adb usb ini   adb kill-server   adb devices    if you are not using Samsung device  change the Vendor ID  0x04e8  to the correct value of your Vendor    If still not working  you may want to try following    1  On your Samsung device  disable  USB Debugging  and re-enable it again  and try the adb commands again    2  Disconnect the USB cable  and re-connect it again   3  Uninstall Samsung Kies   4  Install Android File Transfer   5  Reboot your Mac and the Samsung device   6  Use hardware device to test your Android app   After getting the devices connected but you suddenly unplug the USB cable  and suppose now  adb devices  cannot see your device any more  even after  adb kill-server   in this case  you may want to try the following    1  power off your Mac  2  disable  USB debuggine  on your Samsung device  3  power off your Samsung device  4  power on your Mac  5  power on your Samsung device  6  enable  USB debuggine  on your Samsung device  7  connect the USB cable  8  Run  adb devices   9  You should see the attached device now

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If you have installed the application EasyTether  this can interfere with ADB    From this page you can execute the command   sudo kextunload  System Library Extensions EasyTetherUSBEthernet kext    this will unload your EasyTether extension   If you need to re-enable EasyTether for tethering  I believe you can use   sudo kextload  System Library Extensions EasyTetherUSBEthernet kext    This worked on my Samsung Galaxy S2   It s been necessary in my case to execute the kextunload command everytime I reboot

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I was trying to connect an old phone that I use to test apps on older API versions  Today adb was not finding it   After trying pretty much everything here  I figured out that the phone was not even showing the system notification about the USB connection going on   So I looked around for that issue  and found the solution here  credits to the original source          Remove phone from PC and remove battery to shut off phone    Plug USB cable into PC    Plug USB cable  other end  into phone    The PC install new hardware appropriate drivers for a few minutes  phone without battery    Unplug USB cable from phone    Put battery back in and turn on phone   As the phone boots  hold down Volume up and down  Phone boots into safe mode    Plug USB cable into phone    I saw notification about USB MTP-connecting on the phone  PC have found my phone    After the reboot in normal mode problem was fixed      Not sure step 4  is of any use here on macOS  however I did all the steps and it worked well

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Solution specific to Nexus 4 and Nexus 5 for OS X  Got no device listed in the  List of devices attached  when I ran  adb devices  Fix    Get the SDK  Latest Version  from developer android com Put developer mode on nexus 4   About Phone   Build Number   tap 7 times to enter Dev Mode  A new menu option will come up in the  Settings        Developer Options Make sure you check the following under     Developer options    USB Debugging   Debug mode when USB is connected  Accept the RSA fingerprint popup  Verify apps over USB   Check apps installed via ADB ADT for Harmful behavior    Try listing your device from   adb devices and it should work   Answer taken from  Any idea why adb does not recognize my nexus 4 on mac

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Also make sure you check the vendors website for their  USB  drivers   I had this problem with my AT amp T Galaxy Note  Running Android 2 3 6  and it wasn t being recognized by the adb without a driver install that I got from the samsung website

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Also make sure you are not using an USB cable designated for charging only  This just got me  And it actually was labelled  for charging only

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Try rebooting  if it was ever detected before and stopped showing up  - the mother of all solutions

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Simply changing the cable and Authorizing the Mac worked for me

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With the newer adb version  you have to remove    android adb usb ini

[android] adb not finding my device / phone (MacOS X)

NOTE TO FOLKS WHO CANT GET ANY OF THIS ADVICE TO WORK

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