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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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How do you enter into fastboot mode for Allwinner A10 tablets (ICS)?

Does anyone know how to enter into fastboot mode for allwinner a10 tablets which are running ICS? adb reboot fastboot only seems to reboot it normally. Is there a key combination which will take it to fastboot?
gaara87
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ADB Root Grant Root Permission to App or Package

I am having a little trouble with my Development Board it is Orange Pi 4B, running Android 8.1 Currently I have access to ADB root and also can modify the system folder or even place files inside the system folder but I want to grant Root…
Umer Kiani
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ADB cannot list my device when my nexus 6p is in recovery mode

I want to update my nexus 6p to Nougat (manually OTA), so I went to settings to activate dev options and checked debbuging mode. When my phone is full booted and I run this command on terminal adb devices it list my device, but when I run adb reboot…
Edson Tomas
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Having issues seeing GLASS in Fastboot

I can see my GLASS id in adb and adb reboot-bootloader seems to work. I can not see my device id in fastboot however and fastboot oem unlock hangs on "waiting for device". Pressing the camera button does reboot the device. Has anyone else had /…
JASKRU
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Android: fastboot does not find virtual device / emulator

I want to flash a special disk image onto an Android Emulator (Google Pixel 2) using adb and fastboot. The virtual device can only be detected by adb but not by fastboot. I already tried (cmd as an administrator): C:\windows\system32>adb…
golden96371
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Coral Dev Board "mdt devices" can't find any devices

I was following the Coral Dev Board get started guide - Get started with the Dev Board (https://coral.withgoogle.com/docs/dev-board/get-started/). Everything worked fine until to the step - Connect to the board's shell via MDT. I've waited about 5…
Novus
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Erasing cache from all apps on phone via adb-shell command `fastboot erase cache`

I'm trying to erase all app-caches via the official adb-shell from the SDK-Toolkit without having to root my phone. Does the command fastboot erase cache only deletes app-caches or does it remove app data and general data on the mobile harddrive…
Doesbaddel
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How to create bootable sd card from different img files

I have built cyanogenmod lollipop source for odroid-xu4 SBC and resulted into separate image files like system.img, boot.img, cache.img, kernel, ramdisk.img, ramdisk-recovery.img, recovery.img, userdata.img and other folders like install, root,…
Shailesh
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Android EDL mode commands

I'm looking for commands to interact with an android device in EDL mode. There are different software which can interact with an EDL device, such as MiFlash and QFIL (Qualcomm Flash Image Loader). I searched for commands, fastboot like, but I found…
Franz Tesca
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Fastboot recovery: Partition recovery not support flash

I am trying to install cwm recovery through fastboot. I tried executing the command fastboot flash recovery recovery.img But I am getting the error as partition 'recovery' not support flash. Please any one help me to fix this. Whether I need to…
Guna Sekaran
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64-bit version of adb and fastboot?

I'm catching the error below on Debian 7.3, x64 (fully patched). I'm pretty certain its because adb is 32-bit even in the 64-bit distro of its SDK tools $ which adb /opt/android-sdk/platform-tools/adb $ /opt/android-sdk/platform-tools/adb bash:…
jww
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fastboot problems leads to bootable but non-starting glass

I was hoping to have some Glass hacking fun tonight. Turned out really bad. :( Let me try to explain the steps I have taken. I installed Launcher.apk and Setting.apk Paired a keyboard and mouse All was good. Then I tried to unlock the device…
mmicire
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How to install Android after building source code

I compiled source code referring to http://source.android.com/source/building-running.html and downloaded apt binaries for my Nexus 4g s .I did following after building: fastboot flash recovery recovery.img fastboot flash boot boot.img fastboot…
sattu
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fastboot command

I am able to run fastboot commands via command prompt on my Windows machine when the phone is booted into fastboot manually by holding: volume up + volume down + power Is there a way in Android to programmically boot into fastboot and run the…
Nick
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Android fastboot build failure due to incorrect Java version

I'm trying to compile fastboot for Android using this guide, but I'm getting the following error: ************************************************************ You are attempting to build with the incorrect version of java. Your version is: java…
Dylan Knowles
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