Fastboot is a protocol used by Android to diagnose and flash new firmware images on an Android devices via USB. It is part of the Android Debug Bridge (ADB).

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fastboot oem writecid 11111111 not working

I have HTC One S with unlocked bootloader and rooted. hboot: 2.15 radio: 1.13.50.05.31 cm10.1.3 installed I currently have S-ON and want to make it S-OFF. I'm trying to achieve SuperCID and I ...
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362 views

Desire HD: I apparently flashed the wrong pd98img.zip, how can I fix this?

in a attempt to downgrade my Desire HD from 2.50 to 1.32 I apparently pushed the wrong pd98img.zip into my zip card. I can start the phone, but I'm greeted by some chinese characters and can't do ...
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1answer
1k views

adb can find device but fastboot cannot

Context I can run adb commands on my Nexus 4 and they work fine but when my device is in the bootloader and I try to list the device with, fastboot devices my device is not listed. I was having ...
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1answer
230 views

fastboot serial number?

On occasion I've seen the serial number reported by adb and fastboot differ. Is there a way to reliably determine what the fastboot serial number will be from adb?
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61 views

Can I check if the fastboot has worked if my phone screen is broken?

My screen is broken on my old HTC Desire Z and I want to recycle - but before I do I want to clear all the data that was on the phone. I followed the instructions for a fastboot and the phone did make ...
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1answer
3k views

Clockwork: error: cannot load 'recovery-clockwork': No error

I am trying to flash a recovery-image file into my Nexus 7 but the flashing fails know that I am working on windows and my image file is located in the same folder as adb and fastboot files are ...
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2answers
13k views

Obtaining root by modifying default.prop(ro.secure)?

To get a privileged shell you need to modify the following lines to the given values in the default.prop file ro.secure=0 ro.debuggable=1 persist.service.adb.enable=1 I have the extracted the ...
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0answers
566 views

Fastboot is getting stuck while trying to flash CWM onto Nexus 4

After successfully unlocking the bootloader of my new Nexus 4 using adb and fastboot I now want to install ClockworkMod Recovery onto my device. Sadly it is not working properly. I am using Gnome ...
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1answer
619 views

Operating system in a phone having no OS

I have sony xperia P and i was trying to install custom ROM in my phone.I copied the boot.img in the boot partition.Now my phone doesn't starts. There is no external SD card slot in my phone. How ...
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1answer
1k views

ADB/fastboot over Serial/COM ports?

Long story short, my phone messed up and it's stuck in a bootloop. The phone in question is a Coolpad 7560U, also known as Orange Nivo, running Android 4.1.2 Jelly Bean. Data and cache wiping do not ...
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226 views

My Galaxy i7500 always boots into the “fastboot menu”

during the last holiday we got into a thunderstorm with a lot of rain and hail.. I had only an umbrella that couldnt do nothing and I got completely wet, my galaxy i7500 too But it didnt switch ...
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1k views

Unbrick HTC Desire

This is my output of fastboot getvar all (bootloader) version: 0.5 (bootloader) version-bootloader: 6.93.1002 (bootloader) version-baseband: 5.17.05.23 (bootloader) version-cpld: None (bootloader) ...
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1answer
121 views

How did can I find important partions of any android devices?

Please Help Me !!! How did can I find important partions of any android device . Using adb or fastboot . Such as, boot, recovery, etc... I mean to backup any androdi device rom . I have tried with ...
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0answers
1k views

Installing Android using only fastboot on HTC Vision

I lost my system somehow. My phone turned off and reboots during starting up. I'm only able to go to hboot (fastboot/recovery etc.) on my phone, and I'm unable to run Android system. I have tried ...
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1k views

“fastboot -l devices” returns nothing

I'm a newbie trying to learn about what alternative firmware I could use to upgrade my Nexus Galaxy from Android 4.2.1. After connecting the phone to my Windows PC with a USB cable, I followed this ...
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1answer
3k views

Can I lock the Nexus 4/7 bootloader after flashing a non-stock ROM?

I know that doing a fastboot oem unlock will both unlock the bootloader and wipe the data on the device. Unfortunately, while this allows me to install a non-stock ROM like Cyanogenmod, my ...
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235 views

Issue with the adb shell on a tablet 20080411

Hello i am trying to fastboot my tablet serialno 20080411 my problem is when i try to acces in the shell of the tablet that happens the problem, i try to make a ls the system said /system/bin/sh: ls: ...
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1answer
5k views

I can FastBoot my device. How can I reinstall an Android image to it?

I accidentally deleted a file from my phone (Sky iVega IM-A800s, Gingerbread) and phone cannot boot now. I'm seeing an "System operating error" and device restarts repeatedly. I could get into ...
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1answer
184 views

Enter fastboot commands from an Android phone

I want to do the following without a PC, just directly from an Android phone using a script / Android Terminal: Reboot into bootloader, and then enter a few fastboot commands Is this possible?
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2answers
16k views

Unlock bootloader using fastboot using Ubuntu/Linux

I am trying to unlock bootloader for my HTC Legend. I have ADT (Android SDK according to release 21.1) on my Ubuntu/Linux box. While following the HTCDev instructions to unlock bootloader of HTC ...
4
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1answer
8k views

How to Retrieve SD Card Files via fastboot or recovery?

I have a Nexus 4 (LG E960) running rooted stock 4.2.2/JDQ39. The phone fell from a foot high and the screen cracked. The touchscreen no longer works. I have a full Nandroid (TWRP type) backup under ...
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1answer
878 views

mounting google nexus s on linux at fastboot mode screen

I have looked at similar questions but could find an answer. Device: Samsung google nexus s i9020 OS: Android 4.1.2 The phone mounts when the OS has loaded and when there is an option to enable usb ...
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4answers
4k views

Anyone have an alternative dowload site for a fastboot binary?

I'm working on rooting my android kernel and most sites list http://android-dls.com/files/linux/fastboot as the place to look for the fastboot binary. However, I've been getting a 404 (Page not Found) ...
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1answer
1k views

USB drivers on the xperia play

I'm helping out a friend with rooting Xperia play, I spent 5 hours trying to root it yesterday with him and we couldn't. We tried gingerbreak and z4mod but they did not work, so we tried the fastboot ...
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1answer
1k views

downloading 'boot.img' while using fastboot to copy ra recovery

In the process of attempting to get Cyanogen MOD onto my HTC Hero. I rooted it successfully, and can connect with ADB. I restarted the phone with the back key held down and get the fastboot screen. ...
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1answer
914 views

fastboot flashall -w Halts

I have a Samsung Nexus S. I have erased recovery and boot pertitions using fastboot erase <partition> and when I do fastboot flashall -w it stops on sending 'boot' (XXXX KB)... What might be ...
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1answer
435 views

Is the setting OFF/ON of the security flag different from enabling/disabling of fastboot?

I am following the book XDA Developers Android Hackers Toolkit 2012. In the beginning chapters , it says that : The second-stage bootloader checks to see if the security flag is on (S-ON) or off ...
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1answer
7k views

fastboot not working on my Nexus 4

I'm trying to root my N4, and fastboot doesn't seem to work. Running it on linux, and the fastboot binary seems to run. 'Fastboot devices' produces info on my device, but 'fastboot oem unlock' just ...
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2answers
23k views

Problem unlocking HTC phone using their fastboot program

According to HTC, my Amaze 4G is fully ready from the factory to be queried for its identifier tolken, but when I run the appropriate command, it doesn't work. I get: $ fastboot oem ...
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0answers
413 views

How to recover Samsung Galaxy Fit using software that works on Ubuntu?

I tried to install the new Jelly Bean on my Samsung Galaxy Fit, but it got stuck during installation with an error on /tmp/slideloadpackage.zip. Now, my original Android OS lost. How can I recover ...
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0answers
3k views

HTC Sensation fastboot unknown device

i want to apologize because i think you get this question a lot, but i experience problems trying to root my HTC Sensation. I turned USB Debugging ON, checked that Fast boot is turned ON in Settings ...
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2answers
24k views

Installing ROM from Fastboot — Can someone help?

I have a new HTC MyTouch (32A) that I tried to install a new ROM on using ROM Manager. I have done this many times (maybe 100 times), once in a while it goes wrong. Now, with this one, it can't get ...
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1answer
648 views

How to Install our android image in laptop ? How to make android boot-able image for laptop?

I have Android Source Code image and i want to install it on Laptop . I want to know how we made bootable image for laptop with android image. What I have to do so that laptop detect the android ...
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0answers
3k views

Installing custom ROM on HTC phones over Fastboot or ADB

I am trying to build CyanogenMod for Sensation. After building I have update.zip, which I can install over CWM recovery manually. But how do I install the ROM over Fastboot or ADB in order to automate ...
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0answers
2k views

Failed to get_identifier_token from HTC Desire HD with fastboot

My HBoot is HBOOT-2.00.0027, I got the following problem when I was trying to unlock my HTC Desire HD following the instruction http://www.htcdev.com/bootloader It seems HBOOT 1.0 has this problem ...
5
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1answer
10k views

Problem with unlocking the HTC Wildfire bootloader with HTC unlocker

I tried to unlock HTC bootloader by the official tool but I get to the stage when I issue the command: fastboot oem get_identifier_token Unfortunatly I get error ... (bootloader) [ERR] Command ...
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1answer
254 views

Fastboot setserial command

I noticed that a lot of descriptions of fastboot mention a command named setserial which not available in the current version that comes with Android SDK. You can see the complete list of commands ...
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2answers
11k views

How to boot into the bootloader when you have ClockworkMod?

I want to upgrade the radio and I'm not sure how to boot into bootloader. When I try to power the phone using VolumeDown+Power, I do get into the ClockworkMod Recovery, but it seems that this is not ...
3
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2answers
4k views

Can't boot to Clockwork Recovery on Atrix (several methods tried)

I have a Motorola Atrix 4G, with AT&T Carrier. Android 2.3.4 EDIT 11/6/2011: I don't know if this means anything, but I don' have an sdcard in it. I have rooted it using this tutorial. I ...
3
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2answers
7k views

Extract boot.img

I have pulled boot.img from my phone's CWM backup. How do I extract it? I tried split_bootimg.pl. But throws an error - Android Magic not found in boot.img. Giving up.
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1answer
767 views

My Kindle Fire is stuck at the yellow triangle screen after installing TWRP. How can I fix this?

I followed the instructions on the official TWRP site on how to install TWRP on the Kindle Fire. So I did wget <twrp.img> adb shell idme bootmode 4002 fastboot -i 0x1949 flash recovery ...
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1answer
8k views

Android boot-up messages for debugging?

I am trying to figure out if Android (i.e. Galaxy Nexus, Nexus S, and/or Motorola Xoom) come with some sort of capability to produce a "boot-up" log. (kind of like Linux boot-up screen) It would be ...
4
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2answers
9k views

Samsung Galaxy S3 with fastboot

I have a Samsung Galaxy S3 (international and unlocked). I recently downloaded the kernel source code from Samsung's website and have successfully compiled and now have a zImage file. My problem is ...
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2answers
1k views

Install zImage on Android 2.2 devcie

How do I install zImage on Android 2.2 device? I have one galaxy tab 7.0 and one NVIDIA Tegra 250 delvel kit. I was trying to using fastboot on NVIDIA Tegra 250 but I failed. I could load zImage ...
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1answer
138 views

Prevent unauthorized image flashing

I wonder whether there is a way to prevent someone to use fastboot to flash an Android device. Indeed, while one must be able to turn on USB debug in order to run adb, the bootloader does not offer ...
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3answers
16k views

What does “fastboot oem lock” do?

I've had my phone for months, loading with several firmware, ROMs and OTAs, without ever running this command. What does it do? What I know is that "fastboot oem unlock" displays the confirmation ...
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2answers
1k views

What are the consequences of installing CWM?

I installed CWM sometime back and switched back to a stock ROM. When I installed CWM I lost my userdata, by which I mean the phone started as it would for the first time after opening the box. I used ...
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1answer
558 views

Nexus S downgrade with Clockwork Mod

I have a Sprint Nexus S 4G running ICS Cyanogenmod 9. I want to run 2.3.6. In CWR I've backed up, wipe/erased, wiped Calvik cache, but when I go to install my Sojus 2.3.6 file I get Installing ...
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0answers
1k views

Is there a way to boot to the fastboot mode?

I booted to the TWRP recovery for the first tiem and played with it by wipping everything using all the wipe options. Then I ended up unable to boot to the fastboot mode, normal mode or recovery mode. ...
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1answer
977 views

Prevent reboot after fastboot -w image.zip?

Is it possible to prevent the automatic reboot that follows fastboot -w image.zip ? This would be quite useful for batch files. Thanks for any hint :-)