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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.

131 questions
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Fastboot commands in source code not found in fastboot binary

I am working with a new device which has a "secure" bootloader and no 'OEM' command integration. Upon looking at the source code for (official) fastboot, I stumbled upon several commands that simply are not included in the fastboot binary ('fastboot…
meh301
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Automatically installing multiple apps on Android devices when connected to a linux system

I had written some scripts using Ubuntu 14.04 and adb to automatically configure 100´s of Android smartphones. To achieve that I used an udev rule to identify if an USB device is attached to the pc and if that's the case I call my scripts to install…
Deep_Horizons
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Android FASTBOOT via USB OTG?

I have a windows 8.1 tablet that only has a mircoUSB connector. I've installed adb & fastboot drivers. If I connect my Nexus tablet to my Windows tablet via OTG & USB Cables, it's detected fine when the Nexus tablet is booted normally. I can run adb…
JeffVader
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Computer not finding Google Glass fastboot driver

I'm trying to use the fastboot mode on my Google Glass device in order to root the device. However, when I start fastboot mode using adb reboot bootloader from the command prompt, my computer can't find the driver, so I can't send fastboot commands…
Aaron Zalewski
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Xperia Z3 Compact Phone do not display recovery/bootloader console

I was trying to root my device (Xperia Z3 Compact) as instructed here: DooMLoRD's CWM-Based Recovery Console Somewhere in between, a mistake was made and being the novice that I am, I can't seem to undo it. I also have no idea what happened, but if…
nagloan
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Open android tablet in fastboot mode for Lenovo A1000-T

How did you go into fastboot mode? I am not able to figure out. adb reboot bootloader adb reboot-bootloader adb reboot fastboot None of them worked, However adb reboot recovery opens it in recovery mode. Niether of them worked. I have installed…
Inderpal Singh
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Questions about building android from source

I'm trying to add a kernel module to the android kernel for my Nexus 7 (flo). So I built the kernel and copied the zImage to the following location /source_tree_location/device/asus/flo-kernel/kernel in the android source tree (I am trying to build…
Isuru Daulagala
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ADT installation on ubuntu - adb & fastboot is not working?

I am trying to install ADT without using standalone installer.With help of this guide http://forum.xda-developers.com/showthread.php?t=2302780 I am using ubuntu 13.04 , so when I try to call adb or fastboot, it alwasys ends up as permission denied. …
tam_ubuuser
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Android Studio / SDK: platform-tools (adb, fastboot) give segmentation fault (Gentoo Linux)

I've tried both, the unofficial Gentoo ebuild of Android Studio from the mrueg overlay (android-studio-130.687321.ebuild) as well as the bundled package from http://developer.android.com/sdk/installing/studio.html…
user1891659
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issues with Android fastboot sensing devices

I've been having some issues getting fastboot to detect devices. I've got my udev rule file set up as follows: # adb protocol on passion (Nexus One) SUBSYSTEM=="usb", ATTR{idVendor}=="18d1", ATTR{idProduct}=="4e12", MODE="0666" # fastboot protocol…
josh-cain
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fastboot getvar from batch file

I was trying to get certain fastboot variables from a batch file. I was using something like : for /f "tokens=2 delims=:" %%a in ('fastboot.exe getvar version-bootloader') do @echo version is %%a But I get the output on command line, not in the…
Ankur Aggarwal
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device not detected on fastboot while Installing a Custom OS (ROM) on Android Lenovo TB-7504X

I'm trying to install Custom OS (ROM) on Android tablet( Lenovo TB-7504X ) with Android 7.0 . Adb is properly set up and all the necessary images are downloaded, usb debugging and OEM unlock all settings checked, adb is also working while phone is…
Aftab Sama
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How to start twrp recovery on android after flashing it (booting failed)?

I'm trying to root my xiami Redmi 9T, and to do that I have to root it from twrp recovery. I've unlocked the phone(waited 7 days), got twrp from here. What I have read online I have to boot my phone directly from fastboot because if I boot it…
ante3602
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Android: current-slot:no bootable slot - where is the A/B info stored?

I'm building Android for a custom iMX8 board. Android is working fine when booting from the SD card. I've used uuu to put the exact same partition images on the onboard eMMC flash. I can see the partitions on the eMMC (and SD card) after booting…
fadedbee
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Sony experia z3 with bootloader bad

I have problem with my experia z3 and i can't fix it! I looking for help now. I try to unlock my bootloader but fastboot give me message FAILED (remote: Command not allowed) someone who know how to fix this problem ? Cheers
RkstyleX
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