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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).

309 questions with no upvoted or accepted answers
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22k views

Device boots normally, but cannot enter recovery or fastboot

I have secondhand Vodafone Smart Tab 4G. It seems to me that previous owner messed something up. The device boots normally but I cannot enter either bootloader, fastboot, or recovery. I have tried HW ...
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1answer
154 views

Where does the code pertaing to fastboot mode reside?

Is it in the primary-bootloader (on the mb), or the secondary-bootloader(on the emmc)? My motive behid the question is to understand what other codes are executed before system can get into fastboot ...
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1answer
6k 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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2answers
25k 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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0answers
6k 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 ...
4
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2answers
5k 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 ...
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?
3
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0answers
135 views

What is the difference between fastboot oem unlock and fastboot oem unlock-go?

I'm having issues unlocking my Nexus 7 2013 WiFi's bootloader, and it was suggested that I try fastboot oem unlock-go instead of fastboot oem unlock. Both seem to act the same on my device, however ...
3
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0answers
702 views

Issue with fastboot giving remote: Command not allowed

I have an Honor 5C that I try to modify bootloader variables. First I need to get the list of variables by doing fastboot getvar all but it returns me an annoying: aaaaaaa@bbbbbb:~$ fastboot getvar ...
3
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0answers
2k views

Unlock Moto E OEM Bootloader without the Passcode from Motorola

I need to unlock my Moto E phone(2nd Gen). To do this, I want to unlock the bootloader first. I got the 'get_unlock_data' and sent it to Motorola, But I did not get the passcode from them :( Could ...
3
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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, ...
3
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0answers
4k 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 ...
2
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0answers
69 views

Not able to reach recovery or TWRP on Redmi 4A Only blank screen

One week back I successfully unlocked,rooted,put TWRP and flashed LineageOS 17.1. Today morning i read [GUIDE] How to Create Custom Splash Screen (… | Xiaomi Mi 5. After following the link now the ...
2
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0answers
55 views

Is there a super partition on Pixel 3/3XL with Android 10 (or greater) loaded?

Question: Does a production Pixel 3/3XL have a super partition when loaded with Android 10 or greater? Background: I changed out the UFS piece on a Pixel 3XL and loaded the newest Android 10 and 11 ...
2
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1answer
119 views

fastboot stuck on 'booting…'

I am trying to flash my device(Redmi S2/Y2). I unlocked the bootloader and I tried flashing Orange Fox recovery from fastboot. C:\Program Files (x86)\Minimal ADB and Fastboot>fastboot flash ...
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0answers
39 views

Flashed magisk_patched_boot.img as fastboot flash recovery…Phone stuck on Powered by Android

I was trying to root my Micromax Q440 and I tried to follow the steps ie; 1: fastboot flash recovery c:\twrp.img 2: fastboot flash boot c:\magisk_patched.img but in the 2nd step, I used recovery ...
2
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0answers
69 views

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 ...
2
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0answers
264 views

Fastboot Xiaomi system partition problem

I am trying to upgrade Xiaomi Mi A2 Lite to Android Pie via fastboot ROM images. It was on Oreo, initially. Had TWRP installed in boot.img because it is an A/B slots device. TWRP is officially ...
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0answers
1k views

Stuck in LineageOS boot logo when installing on Xiaomi Redmi Note 5 global

I booted TWRP 3.2.3-0 using fastboot, then followed #5 unlocking fastboot to install it permanently on my Xiaomi Redmi Note 5 cause of the problematic anti-rollback from Xiaomi. Next, I installed the ...
2
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0answers
209 views

xt1527 in boot loop with usb debugging disabled

a couple days ago my xt1527 started acting weird. Gapps started to crash out of nowhere. Today, every app that I tried to open crashed 2 seconds after, so I turned my device off to reboot and see what ...
2
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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 ...
2
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0answers
541 views

Backup encrypted data from Android with broken screen

short story is as follows: I have a Sony Xperia M2 with display suffering from water damage. It's completely black but it's still working, booting and responding to touch. However, I need to enter my ...
2
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1answer
2k views

Differences between fastboot erase and fastboot format

I have an asus zenfone 2 laser with radio problem:it doesn't take the line.I want to format modem partition to see if the problem could be solved.I jave a doubt:what is the difference between fastboot ...
2
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0answers
1k views

What dose “Enable OEM Unlock” do, and how can I do it through a root shell?

Looking at this Samsung Galaxy A8 question, I was looking to do something on my nexus 6p. I would like to enable OEM unlocking, the developer setting. Due to the problems my device is experiencing, ...
2
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0answers
4k views

Data recovery from android device with broken screen

Situation Summary - I have an Android device with a broken screen, LCD and touch I have an android phone (BQ Aquaris E4.5 Ubuntu Edition, which I have flashed with the Android firmware for the E4.5 - ...
2
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0answers
440 views

Mounting encrypted partition from PC - is there anything I can do?

Okay, so basically I have the same problem identified here, except instead of a broken screen, I accidentally broke the UI with this bug. And all I want to do is mount the encrypted partition so I ...
2
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0answers
914 views

Any chance to unbrick relocked HTC One M7 with S-on and a old copy of the RUU.zip

Background After 1 year of use, the most recent OTA to my HTC One rendered several key features, including the notification bar and the home and back buttons, unusable , effectively soft-bricking ...
2
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0answers
576 views

Stuck in Fastboot mode after flashing custom ROM on Xiaomi Mi3W

I flashed MIUI fastboot ROM on Xiaomi Mi3W since I had problem booting it. It was a old ROM but now nothing happens except it is stuck on fastboot mode. It doesn't even charge the battery. I tried re-...
2
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0answers
1k views

How to recover Nexus 5 data from memory chip

Edit 2: My Nexus 5 doesn't boot up the OS or the Recovery, but it boots the Bootloader. The service people speculate that the power IC isn't able to supply enough power for the first two but it's ...
2
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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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0answers
1k views

Are there other ways to enter fastboot mode if the power button is broken?

I've dropped my phone (ATRIX HD) and now it isn't turning on. The thing is when I connect to charger it shows the green light and start to boot (Motorola logo appears) but then it keeps restarting ...
2
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0answers
338 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 ...
2
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0answers
793 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
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 ...
2
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0answers
4k views

Unbrick HTC Desire

This is my output of fastboot getvar all (bootloader) version: 0.5 (bootloader) version-bootloader: 6.93.1002 (bootloader) version-baseband: 5.17.05.23 (bootloader) version-cpld: None (bootloader) ...
2
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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
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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
6k 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 ...
1
vote
1answer
8 views

How to fix bootloop

I unlocked the bootloader using fastboot, this command; fastboot flashing unlock I had downloaded the phone's firmware (Infinix note 7) and patched the boot.img using magisk I then flashed the boot ...
1
vote
1answer
11 views

Soft Bricked Nexus 6P

Back in 2015, I rooted my HTC One M7. It was an adventure; I messed up along the way, soft-bricking my phone. Eventually, though, I managed to get it working again. That was five years ago. So, I ...
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0answers
42 views

Fastboot stuck on “Sending 'boot.img'” (TWRP, Moto G7 plus “lake”)

fastboot version 30.0.4-6686687 Trying to temporarily boot TWRP recovery image twrp-3.4.0-0-lake.img on my unlocked Motorola Moto G7 Plus. Phone is connected via USB Type-C to Type-C cord from the box ...
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0answers
20 views

Which files do I need to flash with fastboot to get a stock device state

I have downloaded the stock rom for my Mediatek(mt6580) device. Extracting the files leads me with a couple of *.img files and sp flashtool. I am currently on a Linux distro and have adb and fastboot ...
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1answer
32 views

Get into fastboot mode (AOC Q70S15 model)

Model: AOC Q70S15 Android version: 4.2.2 Tablet not rooted Desktop OS: Arch Linux Issuing the command adb reboot fastboot from my pc makes the tablet shut down but it doesn't reboot, the same happens ...
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0answers
137 views

flash tool for Huawei HiSilicon hi6250 Kirin 650 (locked)

Unable to access my phone after a factory reset, because the Gboard doesn't work and I can't type my email and such, I've tried every possible solution I could find to no avail is there a flash tool ...
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vote
0answers
24 views

Phone unresponsive after fastboot boot command

I try to root a Xiaomi Redmi note 5. After issuing the command fastboot boot twrp-3.4.0-0-vince.img The screen turns black, with the Xiaomi logo at the center of the screen and 'Unlocked' is written ...
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0answers
25 views

Hidden fastboot mode or no fastboot?

So here is my problem: I cant get in to fastboot mode on my wiko tommy 3 android 8.1.0 Here is what I'm doing: adb and fastboot are installed on pc (windows) I have developer options and OEM ...
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0answers
44 views

Xiaomi Mi A3 - not booting - fastboot erase userdata

I’m a noob. I follow a guide in the forum xda-developers to root my Xiaomi Mi A3 I executed the command: fastboot erase userdata After executing the command, I realized that I had deleted the ...
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0answers
51 views

How do I get fastboot/adb to find my device after a reboot?

I am trying to unlock the bootloader of my Samsung Galaxy J7 Sky Pro using this guide. If I do > adb start-server > adb devices I get my device as connected, however when I then reboot into the ...
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0answers
69 views

Sailfish (pixel 1) phone with stock android stuck in boot loop: help installing lineage

I have successfully installed lineage os on a nexus 6 that worked perfectly with stock android. That is the extent of my experience with non-stock android. I have a google pixel (sailfish) device that ...
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0answers
25 views

Stuck in Fastboot after deleting almost all the content in my phone (Xiaomi Mi 9T)

So I was trying to install Lineage OS (the unofficial version), because I think it works better with my phone. I already did that before, and I am not a newbie... But what I did today shows the ...

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