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Questions tagged [fastboot]

fastboot is a tool that comes with the Android SDK. It can be used to manipulate the partitions of your Android device when booted into the bootloader. DO NOT USE this tag for Ember FastBoot related questions.

fastboot is a tool that comes with the Android SDK. When your Android device is booted into the bootloader and connected to a computer over a USB connection it can be used to manipulate the partitions of your Android device. It has various functions including

  • flashing images to different partitions
  • erasing the data on different partitions, and
  • completely reflashing your device from an update.zip file

It is a powerful tool that used incorrectly can damage your Android device or completely wipe all of the data from it.

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set up device for development (???????????? no permissions)

I am using a Samsung galaxy nexus phone (Android 4.0 platform) . I am developing Android app on Ubuntu linux OS. I would like to run my application directly on the Samsung handset device, so I performed the following setup steps: in my project…
Leem.fin
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Android fastboot waiting for devices

I am trying to load a customized kernel on my NVIDIA test git. I typed fastboot boot myImage after which which I get: I think this is a problem with a driver on fastboot mode on my device. But I don't know how to install the…
codereviewanskquestions
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Android Fastboot devices not returning device

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…
Michielodc
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ADB stopping at

I was trying to install some custom recovery and ROM on to my phone when I got to this situation. (I have my windows update turned off) ADB or fastboot shows I tried and saw few solutions. I'm writing a detailed solution to…
Sushanth
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fastboot and adb not working with sudo

I have a very weird issue on my Ubuntu machine when trying to run the fastboot command. When I run: fastboot devices I get no permissions fastboot So I run the command with adminidtrator permissions: sudo fastboot devices And then I get the…
Guy Sopher
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ADB Fastboot error when flasing rom 'FAILED remote unknown command'

I'm trying to flash Google factory image file on nexus 6P but it always stops at the same point. USB debugging is enabled, MTP mode also. Bootloader is unlocked and communicating with ADB Fastboot etc, is there something I'm missing? I've downloaded…
Zach89
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Difference between fastboot and recoverymode in android

I just wants to know the difference between fastboot and recovery modes in android device. So far my understanding I thought that Recovery mode : contains a small Linux image, having some simple User interface with few recovery options. fastboot…
suresh n
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error: could not load android-info.txt

After I built the source code of android, I ran the following command and got the error. #fastboot -w flashall error: could not load android-info.txt I had successfully built the source code for nexus one (build 5), and I found that there is a…
HChen
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"Waiting for any device" when attempting to fastboot Galaxy S8

I've been trying to install TWRP custom recovery on my galaxy s8 and haven't had much luck getting past this particular issue. After looking on several forums and watching pretty much all of the solutions on youtube I've resorted to posting my…
Theo
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Fastboot flash system.img error

When I try to flash via fastboot system.img (from my custom AOSP build) to Sony Xperia Z3 I get the following error: # fastboot flash system system.img sending 'system' (584106 KB)... OKAY [ 18.294s] writing 'system'... FAILED (remote: size too…
Lawiusz
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./fastboot: No such file or directory

I've struggled with this for awhile! I'm beating my head against the wall. I am trying to run fastboot (android-linux-tools/platform-tools/fastboot) and I am getting a No such file or directory message. I am on ubuntu 12.04 x64. I am not new to…
nickaknudson
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Android fastboot oem unlocking

So I have got my phone in the bootloader and I want to unlock it so I type fastboot oem unlock and I get this D:\Minimal ADB and Fastboot>fastboot oem unlock *************** (bootloader) slot-count: not found (bootloader) slot-suffixes: not…
ImXari
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How does "fastboot boot " works internally?

Fastboot has the following handy feature (if booting the custom image fails, the device just magically boots the default image next time, and all's gonna be alright): To boot with a host-side kernel image This command allows you to download a…
jckuester
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How do you use force adb to backup without user confirmation?

Running adb backup -apk -shared -all on an Android device yields Now unlock your device and confirm the backup operation. on the Terminal and a prompt on the device screen that requires user intervention. I was hoping to automate backup and restore…
radj
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Fastboot not working on macOS High Sierra 10.13

Am trying to root an android device and for that I need to run ADB & Fastboot command. Issue is that, fastboot command is giving an error and it just doesn't make any sense to me. After googling, only suggestion which I found was to update the…
driftking9987
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