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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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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2answers
199 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
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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3answers
14k views

Trying to restore photos from a broken S4 (AT&T), how do I go about it?

My friend broke her S4's screen, and wants to get back the photos from the internal memory. The phone does not have USB debugging turned on, so having it attached to the computer only charges it. The ...
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1answer
195 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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0answers
204 views

HTC One M8 is stuck on bootloader and won't accept “adb * mods”

I have HTC One M8 that has been rooted, but relocked and S-OFF. I have also tried fastboot flash boot boot.img and then I get this message everytime. sending 'boot' <8624 KB> ... FAILED ...
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1answer
360 views

adb does not reboot my Samsung Galaxy SIII I9300 to bootloader (download) mode!

My device is Samsung Galaxy S3 I9300 and I did a complete factory reset. Device is NOT rooted yet. It works properly. I can do all of following with my device: Power off using device keys. Start ...
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1answer
5k views

Fastboot flash bootloader fails

I tried to install CM11 on my Nexus 10. But, I wasn't able to install the boot.img with fastboot (Rooted, CM11 flashed with Clockworkmod recovery): [root@xx temp]# fastboot flash bootloader boot.img ...
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1answer
644 views

Samsung Galaxy S3 I9300 is not detected by fastboot under Ubuntu 14.04

When I connect my device in Download mode to my laptop, it is not detected by neither adb nor fastboot commands: fastboot devices and sudo fastboot devices returns nothing when device is connected ...
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0answers
184 views

how to flash my memopad me170c without droidboot

i try to flash my device but fast boot recovery bricked now i cant open droid boot or android Os. when i try to power on device an USB logo show in the screen and device powered off in 1 second. in my ...
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0answers
66 views

device not loading into bootloader

I am trying to boot my rooted android device into bootloader to unlock it. I have tried following commands but none is working. adb reboot-bootloader adb reboot bootloader Even when trying to ...
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0answers
459 views

Fastboot Commands Via Update.zip To Unlock Pattern Lock on Asus Transformer FT201

I purchased an Asus Transformer Prime TF201 a couple years ago. I added a pattern lock on this tablet so our kids would not use it all the time. One of them decied to try the pattern too many times. ...
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0answers
367 views

Update and then root Infocus M512. Device Found but is offline. Can't enter Fastboot

I am having a really frustrating time updating the firmware on an Infocus M512 as a prelude to then rooting it. I am using the (flawed but usable) how to at this site, ...
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0answers
33 views

How to unbrick Nexus 4 after flashing compiled Android?

Today I compiled Android from source as explained following Google's instructions starting at https://source.android.com/source/initializing.html. After flashing the compiled image onto the device ...
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3answers
22k 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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0answers
189 views

Get HTC Desire HD into recovery / fastboot / adb with dead volume keys

So my friend tried installing a custom rom on his phone resulting in bricking it. He gave it to me to try to fix it. The phone is a HTC Desire HD with physically broken volume buttons, so I can't get ...
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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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1answer
155 views

LG - Fastboot doesn't recognize my device

I'm trying to get flash a custom recovery on my LG p760, however when I type fastboot devices in the command prompt (while booted into fastboot mode) nothing shows up. adb devices works fine though. I ...
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2answers
918 views

fastboot flash = FAILED (remote: invalid bootloader image)

After breaking CyanogenMod on my Nexus 5 I want to flash it with a factory image but all I get is: fastboot flash bootloader bootloader-flounder-3.43.0.0114.img sending 'bootloader' (2970 KB)... OKAY ...
4
votes
1answer
6k views

Bricked my TF300T: How to re-partition internal storage to get it back?

I upgraded to Katkiss's Android 5.0 image. It was nice but in reading I saw I could use the F2FS file system to prevent slowdown from normal usage. So I went to format /data thinking that would give ...
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0answers
4k 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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1answer
119 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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vote
1answer
921 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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votes
1answer
2k views

Can't flash recovery via fastboot

I have a asus tablet TF300T and I am trying to flash CM11 rom. I am following procedure from official CM pages http://wiki.cyanogenmod.org/w/Install_CM_for_tf300t, but I am stuck with flashing custom ...
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1answer
2k 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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1answer
515 views

Trying to flash CWM but fastboot hangs at “writing 'recovery'…”

I'm trying to flash my Coolpad 8865u (Vodafone Smart 4 Turbo). I unlocked fastboot and fastboot oem device-info confirms this. However when I try to flash CWM the prompt on my shell hangs at "writing ...
4
votes
1answer
643 views

Extracting the radio firmware image from an Android phone

How do you pull radio images off an Android device? Is there any way to do this?
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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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0answers
429 views

Mac OS X fastboot is just waiting (HTC M8 T-Mobile)

I'm trying to run fastboot oem get_identifier_token on Mac OS X Yosemite but I get stuck on "< waiting for device >": ➜ platform-tools ./adb devices * daemon not running. starting it now on port ...
0
votes
1answer
638 views

Fastboot flash recovery failed in adroid ZTE kis Q. Several methods tried [duplicate]

I'm trying to root my android using adb from a linux distro. When I run fastboot flash recovery recovery-clockwork-5.0.2.0-blade.img I get > sending 'recovery' (3768 KB)... OKAY [ 0.142s] writing ...
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0answers
243 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 ...
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0answers
31 views

Fastboot cannot flash recovery partition [duplicate]

I recently tried to upload a recovery to my Tracer Oxygen GS 3, but now it starts up, shows the Tracer logo and reboots the phone. I can enter into fastboot and flash system, chache, boot, and ...
0
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0answers
243 views

Nexus 7 (2013) stuck on Google logo after manual flash of Lollipop

A few weeks ago, before the OTA release of Lollilpop for my Nexus 7, I booted into fastboot mode and manually flashed the razor factory images for Android 5.0. Everything worked fine until the N7 ...
5
votes
6answers
16k views

Nexus 10 stuck in bootloop after Lollipop flash no ADB and no Fastboot

So .... I flashed the mantaray-lrx21p image from Nexus Factory Images on my Nexus 10 (16GB Wifi) and it's stuck in a bootloop. No problem, I thought, I can get into fastboot and fix it, right? Maybe ...
3
votes
1answer
39k views

How to check if your bootloader is unlocked

I'm about to flash a custom recovery, but I'm not sure if my bootloader is unlocked or not (phone is rooted, but I did it a while ago, so I can't remember the process I went with), and I don't want to ...
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0answers
52 views

Flashed system partition differs subtly from system.img

When I flash my Nexus 7 2013 with a rebuilt aosp system.img using fastboot, the data in the partition (as read back by dd) is very slightly different from the system.img data used to flash it. A block ...
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votes
2answers
5k 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
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0answers
927 views

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 ...
2
votes
1answer
1k views

Documentation/reference for fastboot

Where can I find the documentation for fastboot in Android SDK's platform-tools? I know that running fastboot on its own gives a quick help for the different commands, but I'd like to know about ...
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0answers
196 views

unlock bootloader Micromax A310

I am trying to unlock bootloader in my Micromax A310. It has MT6592 processor. Whenever I start the mobile in fasboot tmode it got stuck and only shows => FASTBOOT mode ... => FASTBOOT mode ... in ...
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0answers
158 views

adb reboot recovery no longer workiing

MY tablet was on bootloop using android sdk adb reboot recovery solved the problem now mY tablet is back on bootloop adb reboot recovery just reboot to bootloop i can not access the recovery menu ...
0
votes
0answers
132 views

fastboot flash recovery recovery.img

my phone is samsug galaxy s7562 duos it dosn't work and can't boot into normal mode or download mode or recovery mode it just can boot ito fastboot mode iam trying this command fastboot flash boot ...
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0answers
189 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 ...
0
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0answers
308 views

How To Recover From Bootloop after installing fonts, dont have custom recovery and stock rom?

I am using Panasonic T11, it is rooted but do not have custom recovery mode like CWM, My problem is: after installing a custom font my device stucked in bootloop, i have adb, but i dont know how to ...
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1answer
2k views

Can I fastboot flash a factory image without flashing the recovery?

Factory Images Using Nexus 9 as an example, the flash-all.bat contains: fastboot flash bootloader bootloader-flounder-3.43.0.0114.img fastboot reboot-bootloader ping -n 5 127.0.0.1 >nul fastboot ...
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vote
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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0answers
564 views

Tablet listed under adb devices, but not under lsusb while in recovery

I am working with a Gemini devices GEM1000 tablet, I have performed all the steps to get adb working, and the device shows up under 'adb devices' so I go to the bootloader with 'adb reboot bootloader' ...
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0answers
157 views

Can I root karbonn titanium S1 plus with the kingo root app?

I just want to make sure that I can root my karbonn titanium s1 plus with the kingo root app cuz I dont want A bricked phone. Please help. And also, I have asked a question on how to fastboot karbonn ...
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0answers
171 views

How to i fastboot karbonn titanium s1 plus

I want to root my android device and for that I have to enter fastboot mode in my karbonn titanium s1 plus. I tried pressing the volume up key and the power key while booting but nothing. It just ...
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0answers
494 views

Unlock bootloader 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 ...