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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132 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 ...
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990 views

BOOTLOADER - USB Device Not Recognized

I am currently using a ROOTED "Huawei MediaPad 7 Lite" tablet and am having issues entering the bootloader. When powered on and connected to a PC, the device is seen in adb using the command adb ...
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1answer
2k views

Xperia M dual stuck at boot screen after unlocking bootloader!

Help needed it's urgent. So I have unlocked bootloader successfully via fastboot. Everything went fine until the end without any error. So I disconnected the device from PC and rebooted it and now it ...
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1answer
6k views

ADB sideload and fastboot uses. What's the difference?

1) If i want to flash a stock rom what should I use adb sideload or fastboot. I have seen on youtube people using both of these. Are both of these similar or different. Sorry if this sounds stupid but ...
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0answers
91 views

Nexus 7 - Stuck on boot animation. Fastboot detects device but ADB doesn't

My Nexus 7 (2012, WiFi) is stuck on the boot animation. I can detect it in Fastboot but not with ADB. Is it still possible to backup the data before I wipe it? It's not rooted and the bootloader is ...
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1answer
164 views

When should I use/not use '-w' for fastboot flashing?

When should I use/not use '-w' for fastboot flashing? Say I were to be manually flashing each img in the zip of a factory image. Why one way or another? Do certain .img's need to be erased first? I ...
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0answers
69 views

Create a custom recovery from scratch

I have an obscure Android phone (Orion Pro x500a). I have another question which led me to ask another concerning custom recovery files. Since my phone is rather obscure, I can't find a custom ...
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0answers
140 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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4answers
4k views

Fastboot poweroff command

Is there a way to shutdown my Mate7 from fastboot? Long pressing the power button makes the phone restart again. I need to shut it down so I can recharge it then restore to stock.
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839 views

'fastboot reboot' works but not the other fastboot commands

I know most MediaTek devices don't support fastboot, but I have a Canvas Knight (MT6592) which does reboot into fastboot mode when I use adb reboot bootloader. Here, fastboot devices detects my ...
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0answers
180 views

does fastboot allow to read partitions?

I know the binary fastboot does not allow to read, only flash, partitions. But is it a limitation of the tool on the computer side, or the protocol/program on the phone? does the fastboot protocol ...
2
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1answer
8k 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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2answers
99k views

How to enable USB Debugging in Android if forgotten pattern for screen-unlock?

I want to use some third party software to clear my device's screen unlock pattern which I forgot. They require USB debugging enabled but I don't have it enabled in my Android. How do I turn on USB ...
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0answers
3k views

LG G2 D802 (No Download Mode)

I have downloaded Lollipop for G2 D802. But when I flashed it, it shows fastboot mode started. I have followed a thread on XDA and flash LAF.img via fastboot but still no download mode (only ...
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0answers
2k views

LG G2 “Fastboot mode started”

Hello guys I have flahed Lollipop zip via TWRP successfully (LG G2 D802) but now phone is only booting in "fastboot mode started". I have also tried to repair download mode by following xda forum but ...
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0answers
155 views

Bricked Nexus 7 unable to be recognized by fastboot or adb

After trying to install a custom ROM (Ubuntu Raring) to my 2012 Nexus 7, it incorrectly installed and I am stuck with a devices that boots solely to BusyBox. Specifically a terminal that says: ...
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1answer
124 views

When exactly does the data gets wiped out once bootloader is unlocked?

I've heard as well as experienced that unlocking the bootloader of an Android device wipes the device's data completely, and makes it like the stock one. However, I'm interested in knowing when ...
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0answers
815 views

Recover bricked android device

I have an android device (YotaPhone 2 actually) that is in continuously rebooting state with android logo showing on main screen. When phone wasn't bricked then was possible to boot into official ...
2
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4answers
8k 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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1answer
2k views

“Connect USB Data Cable” message on fastboot screen preventing recovery/reset of Nexus 6

I have a Nexus 6 that doesn't boot after a failed Android M developer preview install (worked perfectly on my Nexus 5). Booting into fastboot via power + volume down shows the device is unlocked but ...
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0answers
564 views

After using SP Flash, Phone wont boot up

Handset : Huawei Honor Holly Root : Yes I used SP Flash Tool to flash a ROM, downloaded from the Official website of the phone company. I flashed all that was given (boot, uboot, recovery, ...
0
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1answer
326 views

My OS Loads, but no Recovery

Handset: Huawei Honor Holly Root: Yes I am trying to install CWM recovery on this phone. I tried it using Flashify after reading guidelines from a website. Now, my stock recovery is gone. Also, ...
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0answers
148 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
2k 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 ...
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0answers
1k 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
57 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
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1answer
221 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 ...
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2answers
2k 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
442 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, ...
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1answer
424 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
329 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
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0answers
282 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
518 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 ...
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1answer
7k 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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0answers
232 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 ...
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1answer
94 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
499 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
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1answer
414 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 ...
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1answer
1k 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
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2answers
485 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
4k 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 ...
1
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0answers
2k 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
1k 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
218 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 ...
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2answers
3k 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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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
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1answer
1k 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
676 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
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1answer
2k 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
152 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 ...