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).
4
votes
2answers
2k views
How Can I Pass Bootloader (Huawei Y200 stuck logo/ Boot-Loop)
I have recently learnt a few things about Android and its system. I have a Huawei Ascend Y200, and I flashed it with ClockworkMod specifically for Y200 with a computer and it worked.
I rooted my ...
0
votes
1answer
1k views
fastboot flash recovery doesn't work on HTC Desire
I'm trying to update ClockworkMod recovery on HTC Desire.
Fastboot recognizes the device:
$fastboot devices
HT03PPL04520 fastboot
But flash recovery fails:
$fastboot flash recovery ...
4
votes
1answer
638 views
Nexus 10 won't boot after attempted unlock/root
I have a brand new Nexus 10 which is supposed to be a present for my partner for tomorrow.
I wanted to have it rooted and set up for her before I gave it to her, so I installed WugFresh NRT on my ...
3
votes
1answer
3k 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 ...
1
vote
1answer
179 views
Android PandaBoard: Linux terminal output for debugging?
My research team is currently considering investing in a PandaBoard for Android b/c we are developing a custom kernel/sys-image and would like Linux terminal output.
Does the Pandaboard give me ...
1
vote
1answer
1k views
fastboot does not discover my device
I want to connect my device (Omega T107) in fastboot mode.
I reboot in bootloader mode (adb reboot bootloader)
Screen is black(0 light comming out of it) computer can discover it and driver installs ...
0
votes
1answer
123 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?
1
vote
1answer
2k views
How do I disable Fastboot without the Power option in Settings?
I went over some of the old forum posts about this issue and there seems to be a lot of confusion about this. I am plan to root my HTC Desire (GSM) which at the moment is running original UI/ROM and ...
4
votes
2answers
5k 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 ...
2
votes
2answers
3k 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
votes
1answer
580 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 ...
0
votes
1answer
279 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 ...
4
votes
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) ...
1
vote
1answer
833 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 ...
0
votes
1answer
635 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. ...
4
votes
2answers
10k views
Flash boot.img without using fastboot USB
So I've recently rooted my phone and tried a ROM or two. I find it really handy that you can use TWRP recovery to install another ROM from the SD card, you don't need to have it connected to a PC.
...
1
vote
1answer
128 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 ...
1
vote
1answer
177 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 ...
4
votes
1answer
3k 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 ...
3
votes
2answers
8k 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 ...
0
votes
0answers
352 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 ...
1
vote
0answers
591 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 ...
0
votes
0answers
69 views
Upgrading HBOOT on an HTC Hero
I am trying to unlock the bootloader of a friend's HTC Hero, and I'm following the official process on HTC's developer website. I got to the point where I give the command fastboot oem ...
3
votes
2answers
15k 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 ...
1
vote
1answer
401 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 ...
2
votes
0answers
2k 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 ...
1
vote
0answers
957 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
votes
1answer
6k 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 ...
0
votes
1answer
122 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 ...
3
votes
2answers
6k 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
votes
2answers
3k 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 ...
0
votes
0answers
416 views
Flashing NAND on Allwinner A13 Dev Board
I'm trying to flash the NAND on my Allwinner A13 dev board, but the I've gotten a bit stuck.
Using ADB, I have transferred the image over that I want to flash, and I'm connected to the device's ...
2
votes
2answers
4k 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.
0
votes
1answer
501 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 ...
10
votes
1answer
8k views
Clean way for flashing factory image on Samsung Galaxy Nexus?
Is this the correct and clean way for flashing factory Jelly Bean image on Samsung Galaxy Nexus, without using any external tool (apart from Android SDK)?
I don't want to to break my phone, so I'm ...
1
vote
1answer
4k 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 ...
0
votes
0answers
108 views
fail to reboot the cellphone after flashing [closed]
I successfully built the system.img and userdata.img from the source. Then, I used the following commands to flash my cellphone:
fastboot flash userdata data.img
fastboot flash system system.img
...
4
votes
2answers
4k 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 ...
2
votes
2answers
933 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 ...
0
votes
1answer
62 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 ...
6
votes
3answers
8k 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 ...
1
vote
2answers
540 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 ...
0
votes
1answer
393 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 ...
1
vote
0answers
561 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.
...
1
vote
1answer
739 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 :-)
2
votes
0answers
748 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 ...
0
votes
2answers
1k views
HTC Wildfire won't boot
My HTC Wildfire will not boot up. When I boot normally with the SD card in, I only get a screen that says "Fastboot" with the options bootloader, reboot, reboot bootloader and power down. It says to ...
2
votes
1answer
518 views
How does the safe/fastboot/recovery mode differ from the normal as seen from windows pc?
This is a related question to:
How to install fastboot drivers?
I have trouble using the command line fastboot program. I think that I don't have the correct drivers installed. How can I verify ...
5
votes
1answer
447 views
Phone boots very slow and restarts by itself
My problem is when I turn on the phone, the Google logo stays stuck and after unknown minutes boots in with the software animation, but very slow and then starts over again! First a little history of ...
1
vote
1answer
429 views
Is the kernel flashed automatically from CWM?
By this, I mean, while flashing a firmware (update.zip) from ClockworkMod recovery, is boot.img also flashed or do I need to use fastboot separately?
