Android Fastboot devices not returning device

Question

At the moment I would like to reinstall Android on my device custom hardware device   I got the image files after building  But when I enter fastboot devices nothing returns    adb devices is working  It return my device  fastboot flashall -w is also not working  I returns  lt waiting for devices gt  and stays like that until I exit   So the 70-android rules d file is right  I have also set ANDROID PRODUCT OUT  But someone knows why fastboot does not see my device  but adb does   Restarting udev or adb does not work  Some people recommend that on the internet   OS  Ubuntu 11 10

User · Answer

TLDR - In addition to the previous responses  There might be a problem with the version of the fastboot command  Try to download the newest one via Android SDK Manager instead of default one available in the OS repository    There is one more thing you can do to fix this issue  I had the similar problem when trying to flash Nexus Player  All the adb commands we working fine while in normal boot mode  However  after switching to fastboot mode I wasn t able to execute fastboot commands  My device was not visible in the output of the fastboot devices command  I ve set the right rules in  etc udev rules d 11-android rules file  The lsusb command showed that the device has been pluged in   The soultion was quite simple  I ve downloaded the the fastboot via Android Studio s SDK Manager instead of using the default one available in Ubuntu packages   All you need is sdkmanager  Download the Android SDK Platform Tools and replace the default  usr bin fastboot with the new one

User · Answer

You must run fastboot as root  Try sudo fastboot

User · Answer

If you got nothing when inputted fastboot devices  it meaned you devices fail to enter fastboot model  Make sure that you enter fastboot model via press these three button simultaneously  power key  volume key both     and  -    Then you can see you devices via fastboot devices and continue to flash your devices   note I entered fastboot model only pressed  power key  and  -  key before  and present the same problem

User · Answer

Are you rebooting the device into the bootloader and entering fastboot USB on the bootloader menu   Try  adb reboot bootloader   then look for on screen instructions to enter fastboot mode

User · Answer

For Windows    Open device manager Find Unknown  Android  device  likely listed under Other devices with an exclamation mark  Update driver Browse my computer for driver software Let me pick from a list of devices  select List All Devices Under  Android device  or  Google Inc   you will find  Android Bootloader Interface  Choose  Android Bootloader Interface  Click  yes  when it says that driver might not be compatible

User · Answer

I had the same issue  but I was running Ubuntu 12 04 through a VM   I am using a Nexus 10   I had added the usb device as a filter for the VM  using virtual box in the virtual machine s settings    The device I had added was  samsung Nexus 10    The problem is that once the device is in fastboot mode  it shows up as a different device    Google  Inc Android 1 0    So doing  lsusb  in the VM showed no device connected  and obviously  fastboot devices  returned nothing until I added the  second  device as a filter for the VM as well   Hope this helps someone

[android] Android Fastboot devices not returning device

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