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Questions tagged [fastboot]

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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How to “fastboot flashing unlock” when device has no volume rocker?

I have a android tablet that has no volume buttons, but has an unlocked OEM bootloader. I'm trying to flash a new rom, and after I run fastboot flashing unlock I am presented with a prompt that asks ...
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2k views

Orange state: can't boot into fastboot after bootloader unlock (REALME 1)

Can anyone help me with this? I unlocked my bootloader successfully. But after that, when I am trying to get into fastboot mode, I am not able to do so. Whenever I run adb reboot fastboot, phone ...
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1answer
1k views

can't flash or enter recovery mode

hi i got a xiaomi redmi note 3 pro and i wanted to flash the latest version of miui, so my previous build that i got was a rooted phone with twrp and i wanted to flash with otg. i did the common ...
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1answer
59 views

Attempting to fastboot LG Tribute Dynasty,

So I am currently trying to flash an operating system onto my android and every time I try the command adb reboot bootloader It fails. The command simply reboots the phone like normal. Device: LG ...
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3answers
22k views

Fastboot erase system not working

My device: Karbonn A52+ Android 4.2.2 Mediatek MT6572 CPU Root Access: Yes Bootloader: Unlocked I'm trying to flash the official system.img of my device's stock ROM which I have with me, over ...
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1answer
32 views

Fastboot stuck on sending system

I feel my old mobile with android 2 or 3 got bricked as it get stuck on boot logo each time but I can easily got into fastboot mode but in fastboot mode I can complete following commands like: ...
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1answer
1k views

Cannot get to fastboot/bootloader menu on xiaomi mi5

I have forgotten pattern/passcode for my brand new Xiaomi Mi5. So, I need to do a factory reset to recover the access. However, when I try to boot to the fastboot/bootloader menu (using power and ...
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2answers
1k views

Nexus 7: Unable to install factory image, stuck in < waiting for any device >

I want to restore factory android on my Nexus 7 2012 WiFi. I'm following the official guide. I start the device in fastboot mode by executiong: adb reboot bootloader This works well. But when I ...
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1answer
1k views

Oppo find 7: bootloader re-lock impossible?

I tried to relock the bootloader on my Find 7 (which I'm pretty sure was unlocked since I installed a custom rom). fastboot oem lock ... After that nothing. Windows console is "stuck". Any clue?
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1answer
891 views

Enable bootloader screen for Lenovo Vibe Z

I pressed and held volume up key for sometime and my Lenovo Vibe Z is seems to be bricked (not charging or switching on). I would like to get into to the boot-loader screen to factory reset the device....
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2answers
2k views

Trouble Unlocking Bootloader on Android Device (RCA Voyager Tablet)

Okay, so I've figured out how to set up ADB on Mac OS X and I've followed all the instructions on how to get to Fastboot from ADB. The last command I use is: fastboot oem unlock This command in ...
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0answers
18 views

Sony xperia tipo not going into fastboot mode on prompt

I want flash a new OS onto my so xperia tipo because android 4.0.2 is old and slow so I want to flash a more up to date and lightweight mobile OS. However this requires root and whenever I try to hold ...
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1answer
40 views

TWRP ask for password - cant mount data partition

I want to install an open ROM like AospExtended on a new Xiaomi Redmi Note 5 with stock MUI. To avoid issues with Xiaomi's anti rollback mechanism, I'd like to boot TWRP then copy its image and ...
1
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1answer
59 views

Can I flash Android on device with overwritten mmcblk0?

Can Android device with fully overwritten /dev/mmcblk0 (without /dev/mmcblk0p* partitions) be still flashed using fastboot? Is it true that overwriting /dev/mmcblk0 does not remove /dev/mmcblk0boot* ...
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Xiaomi Mi 9 stuck in fastboot

So, hello there my fellow redditors. Long story short, I think my phone is completely broken. What I did: Unlocked bootloader Flashed TWRP Erased EVERYTHING in TWRP Decided to reboot the phone back ...
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1answer
5k views

How to fix “fastboot FAILED (command write failed (Success))” error?

I tried to flash twrp image in POCO F1 by using the command fastboot flash recovery twrp.img. But it didn't work. It showed the error message: fastboot FAILED (command write failed (Success)) What ...
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2answers
4k views

How can I update the fastboot driver for my Sony Xperia device

I Need to unlock the bootloader of my Sony xperia m2 dual. It's currently in stock. As soon as I connected my device in fastboot mode by pressing volume up button and connecting the USB cable my ...
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3answers
42k views

Writing 'partition' Failed (remote failure) error, when flashing from fastboot

A couple of days ago, I got an error on my phone (Motorola Razr HD xt925) saying that it cannot load the home screen. So, I restarted it in order to resolve the issue. However, it didn't reboot and ...
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1answer
29 views

Is it possible to boot into a different recovery from TWRP?

Normally I boot into TWRP with fastboot boot twrp.img Is it possible, after I boot into TWRP with the above command, to boot into a different version of TWRP (from a different image) without ...
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1answer
2k 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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2answers
3k views

Flashing Nexus 5 factory image fails on writing userdata

Recently, I purchased a used Nexus 5. I would like perform a full reset, so I’m trying to flash the factory image using Google’s official instructions. However, I keep getting the message FAILED (...
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0answers
31 views

Xiaomi mi6 USB connection: fastboot works but adb does not

I have a Xiaomi mi6 (MCE16-128GB) with a USB-C connection, a Linux Mint 19.2 Desktop and Windows 10 Laptop. TL;DR: I can connect to my phone from my linux PC over USB via fastboot mode, but can not ...
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1answer
1k 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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1answer
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 <key&...
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1answer
1k views

Micromax nitro a311 fastboot connection error

I'm trying to flash custom ROM for Micromax a311 when I enter fastboot devices it is stuck at < waiting for device >. I think this is driver problem, I tried with some drivers that I found on web, ...
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1answer
5k 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
48 views

Unlocking bootloader on HTC Desire 320

I am trying to unlock bootloader on Desire 320, but failing on retrieving the OEM number: $ fastboot oem get_identifier_token ... FAILED (remote: unknown command) finished. total time: 0.004s I've ...
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0answers
63 views

Boot loop recovery with access to Download / Recovery modes, OEM / FRP lock enabled

Context: I have a Samsung Galaxy Tab S3. Which, seemingly sudden, entered a boot loop - The Device name and Samsung logo screens will cycle indefinitely until There is no power left or I interrupt ...
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2answers
1k 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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1answer
1k views

Flashed wrong recovery on a QTAB with no bootloader or fastboot. What can I do?

Hey guys I was just tinkering, and it was stupid of me not to take a backup of any kind. Anyway, QTAB doesn't have a bootloader or fastboot menu. When I try adb reboot bootloader or fastboot, it goes ...
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0answers
28 views

Do we really need `fastboot erase` before flashing a partition?

Xiaomi provides the official images for their phones, which can be flashed by using their flashing tool on Windows. The tool itself seems to do nothing other than providing a GUI for running fastboot ...
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2answers
3k views

Can't flash custom TWRP recovery image on Motorola Moto G7 Power phone

I've got a brand new Motorola Moto G7 Power running Android 9. I also have Ubuntu 19.04 running on my desktop. I want to root the phone. I've managed to unlock the bootloader using Motorola's ...
1
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1answer
3k views

Booting android using 'fastboot boot'

With my android device attached over USB, I entered the following commands: adb pull /dev/block/by-name/boot ./boot.img adb reboot bootloader sudo fastboot boot ./boot.img and I received this output ...
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0answers
18 views

On which partition does the fastboot resides and is it writable?

My original intent is to understand is it possible to brick android mobile beyond repair. It seems logical for the device manufacturer to store the fastboot in a non writable storage area and make the ...
0
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2answers
1k views

Error “FAILED (data transfer failure (Value too large for defined data type))” While Flashing Nexus 4

I have a Nexus 4 that was soft bricked during an OTA update. I have tried to flash several factory images to it and every time it gave me the error "FAILED (data transfer failure (Value too large for ...
0
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0answers
51 views

Android TV stuck at boot animation after using `reboot bootloader` in terminal emulator

I used reboot bootloader in terminal emulator of my android TV. Since then it's stuck at boot animation. I tried connecting it to my laptop using USB type A male to male cable and USB type A to C as ...
1
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1answer
3k views

how to succesfully boot into bootloader/fastboot mode on alcatel 5049z smartphone

I am having issues( i am a "novice" when it comes to unlocking a30 android bootloader with a PC...) with booting into bootloader/fastboot mode on my stock rom--android 7--Alcatel a30(non rooted 5049z?)...
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2answers
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How to flash Magisk-x.y.z.zip using flashboot without using TWRP?

Is it mandatory to use twrp to flash Magisk. Can it be flashed using fastboot
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1answer
2k 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?
7
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1answer
6k views

How to run adb and fastboot commands from Termux?

Is it possible to run adb and fastboot commands using Termux terminal emulator? I am wanting to run commands from one Huawei T3 7 to another using USB/OTG cable. Need to unlock bootloader but have no ...
4
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1answer
4k views

How to wipe data on a bootloader-locked, broken screen, Nexus 6P

I want to sell my Nexus 6P for parts, but I want to wipe it first. The screen of my Nexus 6P broke (internally, the touchscreen MIGHT be fine, idk). The phone is full-disk encrypted with a PIN and the ...
4
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1answer
2k 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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2answers
2k views

Yureka fastboot not detected in LINUX, but adb detects device

fastboot detects Redmi 2, but not Yureka. I am trying to install Cyanogenmod in Yu Yureka. When I tried installing the CM zip with default recovery, it failed stating "Signature Verification Failed". ...
35
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8answers
146k views

ADB can discover devices but not fastboot

I've searched on the web about this problem and it's usually solved by installing the appropriate drivers. Problem is I'm on a Mac. When I plug in my device, it can be discovered when I run adb ...
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1answer
3k views

Install different recovery from CWM?

I'm trying to switch from CWM recovery to TWRP, my phone is a LG Optimus 4X HD / LG P880. Using Simple Recovery Switcher, I tried to flash the TWRP image, but when I reboot into recovery, I get into ...
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3answers
965 views

I am getting an unknown file transfer error (Flashing TWRP)

I am trying to flash twrp onto my unlocked Moto G4 Play so I can install a new version of Android but, I keep on getting this error. I have recently factory reset my phone and I am not sure if it is ...
0
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0answers
60 views

Fastboot: failed flashing (remote: size too large)

I'm flashing a GSI image using fastboot. After entering fastboot flash system system.img I get this: E:\AndroidSDK\platform-tools>fastboot flash system system.img target reported max download size ...
28
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2answers
50k views

can fastboot be used to backup device?

Many people tell about fastboot that it can be used to flash a image on one of the partitions. Is the reverse also possible, that is take a binary snapshot and store it as a zip file containig the ...
2
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1answer
2k views

Meaning of Options in FastBoot Flash Menu

I've just bought my first Android device, a Motorola Moto G. Following the official guide on Motorola website, I learnt about FastBoot Flash Menu. Here there are several options. I'd like to know what ...
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1answer
2k views

Is there a way to enable USB debugging from fastboot?

I have a Nvidia Shield Tablet that froze on me. After powering down it hangs on the nvidia boot up screen when I try to boot it up. Nvidia support says it is a 'soft-brick', as I can't get into ...