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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150 views

Can't unlock bootloader

I'm trying to unlock the bootloader of my tablet for hours now.. There's no solution out there that worked for me. I've already tried: fastboot oem unlock (the tablet responses with a question ...
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0answers
216 views

OS Features missing after upgrade to Android 5.1

I just updated my Nexus 5 from Android 5.0 LPX13D to 5.1 LMY47I. Some components of the OS now seem to be missing. When I scroll with two fingers from the top of the screen I only get the ...
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0answers
266 views

Asus Transformer Tab tf300t stuck on asus screen. No ADB, no fastboot, no recovery, no os

I'm very happy with cm11 on my Galaxy s3 so i wanted to try it on my tf300t. First i unlocked the bootloader which i succeeded in doing. Then i flashed clockworkmod recovery via adb. However, when i ...
2
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1answer
879 views

Erase successful, but not automatically formatting. Can't determine partition type - Jelly bean 4.1.2 with Nexus S

While I ran the command - fastboot flashall -w I got the following error - -------------------------------------------- Bootloader Version...: I9020XXLC2 Baseband Version.....: I9020XXKI1 Serial ...
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0answers
2k 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 ...
2
votes
1answer
4k 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 ...
2
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0answers
4k 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 ...
2
votes
1answer
551 views

Restoring Nexus S to factory everything

I'm running a Nexus S i9020A on CM9 ICS 4.0.3, with a Matrix 1.46. I've found this website which seems to contain a fastboot image. I was wondering if I use the fast boot image on my Nexus S. Would ...
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2answers
5k views

TF300t bricked, no fastboot, wrong recovery

I've been running CM11 on my Asus TF300t for a while now. A while ago, an (automatic) update broke my rom. From there on, matters have gotten worse. Right now, my tablet is a brick without an OS. ...
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1answer
210 views

Installing TWRP on a Samsung device, no fastboot (using ADB or other ways)

My device (Samsung Galaxy S3 I9300) is not detected by fastboot in Download Mode, but it is detected properly by adb. I want to install TWRP as my device recovery. Is there any way to install it using ...
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1answer
3k views

What are all the functions of fastboot on android 4.4.4?

I have recently been able to access fastboot but I have almost no knowledge about the different options inside it. Could someone please explain in details all the functions of fastboot? Extra info ...
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2answers
2k 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
955 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?
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1answer
516 views

Nexus One can boot only with USB fastboot

After making some changes to my Nexus One, I can't boot it normally, but I can boot it with USB fastboot, like this: $ cd 1.0-GRI40-nexusone-superboot $ ./fastboot-linux boot boot.superboot.img How ...
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1answer
4k views

Nexus 5 gives Status 7 error when flashing 5.1 OTA [duplicate]

I've been trying all day to install 5.1 OTA via ADB. In my struggle, I tried installing TWRP to try to get it to work, but it didn't. I since flashed the stock recovery. When trying to flash via ADB, ...
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1answer
47 views

is fastboot a part of firmware

I was thinking of installing kali linux on my phone but before that I just had few doubts. Is fastboot a part of firmware and can any one overwrite it to brick my phone?
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2answers
382 views

Failed to load Recovery mode

One of my friend had a Huawei Y210, it locked because of so many wrong pattern attempt. Unfortunately he hasn't google account to login with it. I want to hard reset it but it fails to load Recovery ...
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1answer
1k views

What is true name of android (download/fastboot/odin) mode?

i saw every where to write something and named it this mode as download mode or fastboot mode or odin mode ..? what is true name of this mode? in iphone we named DFU mode that like this mode in ...
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3answers
23k views

How do I disable Fast boot 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 planning to root my HTC Desire (GSM) which at the moment is running original UI/ROM ...
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1answer
763 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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1answer
2k 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

Unlocking the Bootloader on a Nexus One with S-On

I'm interested in rooting my (Very recently bought) nexus one, and installing Cyanogenmod over Fastboot. However, on the boot screen of my device I've noticed the first line tells me that security is ...
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1answer
1k views

No recovery mode .. Stuck in Fastboot mode (RAMDUMP)

i have my cherry mobile Omega spectrum .. i was supposed to reboot my phone after installing a custom i can't find any answers in my group so i decided to post here about this problem anyone here ...
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1answer
364 views

adb device not found

When I enter ./adb devices I get Device not found. Yet I can successfully unlock my phone via ./fastboot oem unlock. I can't turn on debugging since my phone is stuck in a bootloop and won't start ...
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1answer
8k views

HTC One (m7ul) not found by ADB + formatted filesystem = bricked?

So, I'm really hoping that I haven't bricked my phone and that someone can help me figure out how to fix this. I can't remember exactly the steps I took to mess it up so spectacularly, but they ...
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1answer
208 views

What is the FastBoot? and what is the difference to obtain the root on Nexus devices?

I have some doubts about fastboot and some other stuff. I am an owner of an old HTC Desire on which, a long time ago, I installed Cyanogen Mod Android distribution. Although I installed the Cyanogen ...
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1answer
2k 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
3k 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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1answer
3k views

Fastboot not working for Kindle Fire HD

When ever I try to fastboot my kindle fire HD 7 inch. Running 7.4.3 it does not pick up the device (it is also rooted) when I try the command fastboot -i 0x1949 getvar product. I connect the kindle ...
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1answer
1k 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
685 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
1k 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 :-)
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0answers
39 views

Moto G doesn't boot anymore, not even into recovery

My Moto G 2013 (XT1033) was working (except for the issue I described here, but the other features all working), I restarted it but it didn't come back. I was dropped into the 'AP Fastboot Flash ...
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0answers
17 views

Fastboot hanging after first command (osx)

My fastboot binary from OSX is responding weirdly and i can't figure out why. It seems to work great at first since the first command i'm sending works (and this whatever it is) ; but any command ...
1
vote
1answer
22 views

Can't flash stock recovery Nexus 7 2013

I have a Nexus 7 2013 LTE device and I want to go back from TWRP to stock recovery. I've downloaded the factory-image lmy47o and extracted recovery.img and boot.img but I can't flash them: fastboot ...
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vote
1answer
95 views

Booting into TWRP fails

I have a Motorola Moto G 2014 XT1068 (Titan) with an unlocked bootloader. I am running the stock ROM, recovery, kernel, etc. for my device and my device is not rooted. After I download the latest TWRP ...
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0answers
191 views

How to put LG G2 in fastboot mode?

Is there any way to get an LG G2 (running the latest version of stock software, Lollipop 5.0.2) in fastboot mode? None of the methods listed anywhere online work for me. I'm getting the feeling that ...
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0answers
28 views

Bootloader frozen on Nexus 10

My Nexus 10s bootloader is stuck, it keeps saying "Downloading... Do not turn off target!!" and fastboot commands have no affect on it. I also can't use the volume rocker to boot into recovery or ...
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vote
2answers
297 views

Get into fastboot mode without root or hardware buttons

I own a relatively unknown Chinaphone, the CUBOT GT72+ (MTK6572 SoC) - on which I was attempting to gain root access. No known exploit-based root methods exist for this device (which runs on Android ...
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0answers
160 views

OS X Yosemite - Nexus 5 - ADB Device Offline

I've been trying to initiate ADB commands on my Nexus 5 using my MacBook Air. However, when I type adb devices into Terminal, my Nexus 5 is listed as offline. I've tried disabling/enabling USB ...
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0answers
831 views

fastboot oem unlock: hangs with `…'

First of all, I am a newbie to Android. I am using Ubuntu Gnome 14.10 to run all the commads. I am trying to unlock the bootloader of my Lenovo A536 (stock Android 4.4.2 aka KitKat). Here is what I ...
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1answer
158 views

LG Optimus G fastboot not working

Alright, I have an LG Optimus G that I'm playing around with and trying to install ubuntu on. I'm following this guide I've done everything up to the point where you enter this into the terminal: $ ...
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0answers
3k views

Nexus 5 stuck on boot loop after restarting while upgrading the OS

Last week, I received an update on my Nexus 5 for Lollipop 5.0.1. Version 5.0 was working fine, so I decided to just update. However, a few hours after updating, my phone started to lag and freeze, so ...
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0answers
220 views

Recover data from non-booting Android

I have an HTC Once Mini that will not boot. It has stock firmware on it (no root, no replaced bootloader, no custom recovery, just plain old stock HTC firmware). It will start to the bootloader and ...
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2answers
1k views

does flashing a kernel ever wipe anything on the phone? + Doing it without CWM?

does flashing a kernel ever wipe anything on the phone? and is it ever dependent on android version? e.g. 4.22 or 4.3 I have CWM and i've seen the option to install from zip within CWM recovery. ...
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0answers
1k views

How to detect if bootloader is unlocked when fastboot doesn't work?

I have this tablet that runs on RK3168 (Rockchip) SoC. The problem is that fastboot doesn't recognize the device, but after so much toil, I managed to find Finless' flashing tool and flashed CM ...
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0answers
946 views

Rooting note 3 - fastboot not unlocking or detecting

I have been reading so much trying to find the answer to this problem, but I can't find any. I am not quite sure what to do at this point. I am running XUbuntu and I am trying to to root my SM-9005 ...
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vote
1answer
546 views

HTC One X hangs at bootscreen, repair centre writes it off

..so am I screwed or what? I was running the ViperX ROM on my One X, based on 4.2.2, and a couple of days ago I started getting FCs on HTC BlinkFeed, even though I wasn't using it. I rebooted into ...
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0answers
4k views

Fastboot: Lock state - Locked on nexus 7

I am having trouble unlocking the bootloader on my Nexus 7. When I boot into fastboot I see the message LOCK STATE - LOCKED. I want to unlock the bootloader so I can re-install the stock operating ...
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2answers
3k views

How can I recover from flashing broken ROMs on my HTC One X?

I am seeking your help to clear up some of my confusion in solving a problem with my HTC ONE X. I tried flashing a custom ROM on my HTC Android phone but all the files and partitions got messed up ...