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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23 views

Bootloop phone wont boot after boot screen

Folks, I've rooted by buddy's phone and tried changing the boot animation to marvel boot screen, but unfortunately the phone won't boot further it keeps looping at boot animation. Now the phone's ...
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0answers
50 views

phone is bricked

Phone: redmi 1s Rom version: miui 5.5.1 so now i downloaded the miui6 version then just as stated in http://en.miui.com/thread-11242-1-1.html selected the file it went on till 98% but then sumthing in ...
2
votes
0answers
57 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 ...
1
vote
0answers
17 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 ...
0
votes
0answers
21 views

Getting Error In installing cwm recovery in Micromax a1(androidOne) from fastboot!

I want to install cwm recovery in my canvas a1 for backup my current rom android 4.4.4. I m going to install lollipop 5.1 I heard about some bug in lollipop so for my safety i want a backup. I used ...
1
vote
1answer
138 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 ...
0
votes
0answers
52 views

Device freezes after trying to reboot with bootloader

I have been trying to unlock my bootloader as per the instructions found here. I already have installed the drivers from Google USB driver folder that comes in Android SDK "extras" folder. However, ...
0
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1answer
51 views

How can I enter Fastboot or Recovery mode on the eSTAR X35?

My eSTAR X35 is stuck in a bootloop and I can't reach fastboot mode. How can I get there or into Recovery mode?
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0answers
94 views

Cannot Upgrade Firmware after Accidentally bricked my Sky Vega IM-A800s

I'm trying to install a custom ROM on my Sky Vega A800s. First I tried to use fastboot to flash the A800S_CWMrecovery_6.0.1.2 recovery image, but when I try to boot my phone into recovery mode it ...
0
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0answers
62 views

unable to flash bootloader on nexus 5

LG Nexus 5, LG D820 Andoid 5.1.0 LMY47D Issue: My phone doesn't boot up, it is stuck on the 'flying colors' screen I have done below steps: Wiped data/factory reset on my Nexus 5 fastboot oem ...
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0answers
110 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 ...
2
votes
0answers
202 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 ...
0
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0answers
175 views

Flash motoboot.IMG without computer

I need to upgrade my bootloader for lollipop, problem is my laptop is being repaired at the moment... Is there any way I can flash motoboot.img without a computer? I have root, Philz advanced ...
0
votes
0answers
59 views

Moto G does not turn on after updating to KitKat 4.4.4

I have rooted and unlocked the bootloader on my Moto G. After that, I updated it to KitKat 4.4.4, but it does not power on. Fast boot mode cannot turn on too, I haven't tried anything yet. How to fix ...
1
vote
1answer
3k 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, ...
0
votes
0answers
58 views

Update Android on HTC Evo 4G

I have a rooted FreedomPop HTC Evo 4G PC36100 with CyanogenMod 2.6.37.6. My Android version is 2.3.7. Beseband version is 2.15.00.01.15. How can I update Android to the latest version? Is it ...
1
vote
1answer
40 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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1answer
108 views

Fastboot devices returns nothing

I have Asus Fonepad 7 dual sim (Build ver. 5.5.1). I want to root my device. adb devices recognizes my device properly. Debugging mode is on. Even device enters in fastboot mode by ...
0
votes
1answer
189 views

After updating to 5.1, phone wont get past black “Google” screen

Last night I upgraded to 5.1 via the built-in update functionality. This phone is not rooted. Well, now my phone won't get past the black screen with the white "Google" logo when I try and boot it ...
0
votes
1answer
225 views

recovery does not recognise / mount SD card

As reported in an earlier post, I have rooted my HTC Desire Bravo with tacoroot and revolutionary, and my idea was to install a recovery ROM via the SD card. The problem is that neither ClockworkMod ...
0
votes
1answer
171 views

ADB is working, fastboot is not (HTC Desire Z)

The adb devices command is working for me, the fastboot devices command is not (Mac OS X Mavericks, SDK downloaded yesterday, phone is a HTC Desire Z): $ sudo fastboot -i 0x0bb4 -p 0x0c91 devices $ ...
0
votes
1answer
697 views

Asus memopad7 170C, unlocking bootloader fails

I'm trying too root my Asus memo pad 7 (170C), I've tried EVERY method, using KingoRoot, SuperOneClick, Frameroot, motochopper. None of them worked. So I decided to do the rooting stuff myself, first ...
0
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0answers
8 views

Is it possible to unlock the Motorola moto g KXB21.14-L1.41 without official unlock code? [duplicate]

The motorola website for unlocking your boot loader tells me that there are no unlock codes for my phone. Does this mean that this phone cannot be rooted? I refuse to accept that. There must be a way ...
0
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0answers
649 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
304 views

Connect to Sony Xperia M Dual with adb/fastboot

I want to ask how to install custom rom on Xperia M Dual I had tried adb and fastboot command in cmd but it shows waiting for device.. Help me please I'm too frustrated
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0answers
109 views

formatted phone storage. Is phone dead? How to revive?

i booted my android phone to enter into fastboot mode and connected to PC by USB. Then a dialog box appeared to format the disk (internal storage memory i hope). I accidently clicked Format ...
0
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0answers
195 views

Fastboot kernel command line parameters

I wanted to use the recovery.img without actually flashing it in my phone. However, when I give fastboot boot recovery.img or fastboot boot recovery recovery.img in my machine, it shows downloading ...
1
vote
2answers
178 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 ...
0
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0answers
123 views

My LGG2 is stuck in fastboot and not showing up on the PC

I have tried to add Cyanogen Mod 12 to my LGG2 and flashed my recovery and now it is stuck in fast boot. I have looked everywhere nobody has an answer the phone does not come up on my computer as a ...
0
votes
0answers
1k views

Moto g 2nd gen, lollipop bootloader unlock issue

I have just bought Moto G 2nd generation smart phone with 16 gb internal memory. To root device, I tried to unlock bootloader. But it didn't go smooth. When I hit command fastboot oem unlock ...
0
votes
0answers
197 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 ...
0
votes
1answer
321 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 ...
1
vote
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 ...
1
vote
1answer
619 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 ...
0
votes
0answers
179 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 ...
0
votes
0answers
65 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 ...
0
votes
0answers
430 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. ...
0
votes
0answers
344 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, ...
0
votes
0answers
32 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 ...
0
votes
0answers
184 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 ...
0
votes
1answer
143 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 ...
0
votes
2answers
856 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 ...
1
vote
1answer
866 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 ...
1
vote
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 ...
0
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 ...
1
vote
1answer
115 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: $ ...
1
vote
0answers
2k 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 ...
0
votes
0answers
413 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
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
241 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 ...