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Questions tagged [bootloader]

for questions on the bootloader, which is kind of "BIOS mode" on Android devices

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1answer
30 views

Rooting Sony Xperia xa2 ultra

I permanently deleted my "DCIM" folder from my internal storage while connected to my pc using a usb cable, before unlocking the bootloader and factory resetting my phone and rooting my phone and ...
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0answers
12 views

Appending large length encoded in DER to custom recovery

I want to install custom recovery with locked bootloader by exploiting some bugs following this guide https://forum.xda-developers.com/xiaomi-redmi-5a/how-to/bypass-bootloader-lock-redmi-5ariva-...
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0answers
23 views

Why stock kernel is not being restored even after flashing boot.img?

I have a moto g4 plus(rooted) which is stuck on bootloop. I dropped the device and 1/3 of the screen was gone but the game I was playing was still on the screen. So I restarted my device but it stuck ...
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0answers
8 views

Seemingly dead Sony Z5 Compact gets detected as QHSUSB Bulk

My 2 year old Z5c (E5823, non rooted, official Sony Nougat update) died while updating some app, and doesn’t show any signs of life since then. Connecting the charger doesn’t turn on LED indicator, ...
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2answers
85 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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0answers
20 views

unable to flash stock rom in swipe elite plus

I'm trying to flash MIUI 8 on my Swipe Elite Plus. It fails and the is device not booting; it's stuck into the Videocon boot logo. After that I successfully flashed the Swipe Elite Plus stock ROM, in ...
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0answers
17 views

SM-G130E phone is not booting after the Samsung Logo (Samsung star Duos 2)

This icon (!) comes when im trying to hard reset by Volume up + Home + Power. Any solution?
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0answers
13 views

My honor 6x stuck on logo screen after update

My honor device stuck on logo screen after installing the official update, unable to access the E-recovery and my bootloader is unlock, i try to unbrick my phone using multi tool but they software is ...
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0answers
29 views

Unlock bootloader in Asus Zenfone max plus m1

Could someone please tell me how to get bootloader unloaded on the Asus Zenfone max plus m1 I have already tried the official unlock tool put out by Asus and it doesn't do anything but restart the ...
2
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1answer
45 views

actual limitations of locked bootloader

I have read in many posts that a locked bootloader prevents from flashing custom ROMs, because it checks the digital signature of the ROM itself. I thought a "bootloader" was only responsible for ...
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0answers
27 views

fastboost doesn't see device on linux even with su and sudo

so i Had a trouble booting into download mode on my Samsung Galaxy J4 to boot twrprecovery.img and not flashing it after enabling "developers options" and "USB debugging" and "Unlock OEM" now ...
1
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1answer
163 views

Unlock Bootloader from EDL mode via MSMDownloadTool

Problem I'd like to know the proper process of "hacking" emmc_appsboot.mbn in order to flash already an unlocked bootloader from start. I didn't want to ask for a file from an already unlocked phone ...
1
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1answer
31 views

Phone turned off for empty battery. Now it gives “No command”

My non-rooted phone (Morotola MOTO G5s Plus, bought just 2 months ago) just reached the 1% battery and automatically Powered Off. I charged it for some hours. Tried to turn it on but just the flash ...
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2answers
187 views

ADB/Fastboot not detecting Android stuck in bootloader

I tried to flash the most recent android pie update to my pixel 2 only for it to fail writing partitions even though I followed a recent guide to my best ability. Now, the phone is stuck in the ...
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1answer
77 views

Have oem unlocking option available in nokia 3 ,do i have to unlock bootloader?

there are guides on rooting and it first requires to unlock bootloader on nokia3, at first i did do it but due to some issue i had flash firmware ,after flashing back there was a option available of ...
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0answers
54 views

Can't unlock my phones bootloader

I'm using a local branded chinese phone. And my phones comes with locked bootloader. As it is a local branded phone, manufacture doesn't provide a official way to unlock it! I've tried many way I ...
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1answer
97 views

Unlocking Bootloader Android 7.1.2

I have a RCA device running Android 7.1.2. I'm having difficulty unlocking the bootloader. On my device I've an option to turn on OEM Unlocking. When I try it asks if I want to enable when I select ...
3
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1answer
988 views

Huawei bootloader: what is “FB Lock” and how to unlock it?

I was playing around with my spare Huawei phone trying to bypass the security without wiping data and came along this article: https://blog.salvationdata.com/2018/09/07/case-study-mobile-forensics-a-...
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1answer
72 views

Android device load process (preparing flashing)

Standard Android OS load process looks like (from docs): BootROM (starts with 'on' button) Bootloader Kernel init/mounting Zygote+Dalvik VM System services But I have a difficulties ...
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0answers
67 views

Motorola Moto G5 crashes when trying to use WhatsApp’s web app and won’t reboot anymore (LineageOS/ViperOS)

First, I tried to install LineageOS on my Motorola Moto G5 which worked perfectly fine – until I installed WhatsApp and tried to open its web application. Therefore, one has to scan a QR-code. But ...
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1answer
732 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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1answer
69 views

Can't unlock bootloader Moto G5 XT1672

I'm trying to unlock the bootloader on my Moto G5, the adb commands works, but I can't find my device in the command prompt when it is in fastboot mode. I was following the instructions on this ...
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1answer
175 views

How do I lock my bootloader with adb

I tried to unlock my bootloader with fastboot but that didn't work >fastboot oem relock XXXXXXXXXXXXXXXX FAILED (remote: 'root type is risk') Finished. Total time: 0.014s So I thought that adb ...
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0answers
38 views

Unlock Moto X without using Motorola Unlock?

Motorola provides a site to unlock the phone. essentially you paste in data fastboot gives you, then you past in the result that the site gives you to fast boot. Is there a way to unlock the phone ...
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1answer
369 views

How to prove that the bootloader of a device is unlockable when it currently shows as locked?

A newly bought Pixel device from a random seller can switch between carriers but the bootloader shows as locked. Are all pixel devices' bootloaders locked by default? And how to show that it is ...
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1answer
72 views

Multiple problems with HTC M8S after rom upgrade

I have an old HTC M8S I'm trying to give a new lease on life by getting off the stock ROM. It's an EE (read Orange UK) branded phone. romver: 1.11.61.2 CID: ORANG001 ModelID: 0PKV10000 Project: ...
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2answers
552 views

Fastboot unlock failed

I have a Nokia 6 and whenever I try to unlock my device I am facing error. The command sudo fastboot oem unlock The result (remote: oem unlock is not allowed) Any suggestions?
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0answers
1k views

Install LinageOS on LG G6 H870DS without unlocking the bootloader (which doesn't seem possible)

I have a H870DS and want to install LineageOS on it. So the first step would be unlocking the bootloader and install TWRP. After some research, it seems that I bought a brick: After following the ...
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1answer
82 views

Why can't Odin recognize the phone in system recovery?

If I boot the phone in system recovery, it doesn't detect the phone: But when I boot the phone normally, Odin can detect it: If I flash TWRP recovery anyway, the log is: <ID:0/004> Odin ...
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1answer
366 views

(Samsung) Possibility to check bootloader status using PC

Is it possible to check bootloader status using adb of a samsung device back from 2014 or older? (s5 and below) there's no fastboot, and no "OEM Unlock" in developer options and since i need to get ...
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1answer
207 views

As of vendors - whose bootloaders are easy to unlock, and whose not?

The vendors differ in their attitude to unlocking the bootloader. Some require codes for unlocking, some not. Some require proprietary, Windows-only software, other not. Which of the vendors are ...
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0answers
287 views

Is it possible to unlock the bootloader of moto e4 without computer?

I want to root my phone but I dont have a computer to unlock the bootloader so im wondering if it is posible to do this without a computer if so how? I tried googling how to do this but google thinks ...
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0answers
343 views

Possible to use mods with locked bootloader? Xposed, Root, zip files Twrp

I want to unlock bootloader install twrp, flash xposed and magisk zip files through twrp. Flash the stock roms recovery again relock the bootloader to be able to use those mods. Is this possible, i ...
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0answers
31 views

How to change bootloader device name? [duplicate]

Please read this first: How to hide or spoof bootloader info from any app? Can we at least change the bootloader name? Thereby altering the device identity by giving a new code name. I hope you will ...
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1answer
2k views

How to hide or spoof bootloader info from any app?

I have spent hours trying to perfect build.prop and when I finally was at the end I forgot about this leakage. Any app can easily know device's bootloader info. I realized this when I ran CPU-Z. ...
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0answers
79 views

Is it possible to enable and use USB debugging with an Android device turned off?

I heard about the procedure: Connect the device to the computer by USB holding the UP button; I tried and did not see results. I need something more detailed. I have a Philco tablet that looks like ...
2
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1answer
169 views

What is the lock in bootloader?

I know how to unlock. It's through fastboot oem unlock. I know why the manufactures place a lock. It's for security reasons. But what is the lock? Is it a file in the system, saying "Hey, the ...
1
vote
1answer
71 views

Xiaomi Mi5s plus' display won't turn on after updating LOS

I encountered a very strange problem with my Mi5s plus (natrium). I was flashing the recent LOS 20180717 version, Open GApps Aroma and Magisk 16.0 via TWRP (in that order). That's my usual procedure ...
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0answers
103 views

Sony XPeria T service menu app missing

I just found out that I have a Sony XPeria T, not a Sony XPeria Z1 Compact. After years of owning it. Wow. So I wanted to try some things that I previously discarded because they weren't possible with ...
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0answers
85 views

Asus Fonepad 7 bootloader is lost

Trying to flash my tablet (K012 Fonepad 7 fe170cg) I ran this commad fastboot flash fastboot boot.img and now the bootloader is lost and just a splashscreen is shown after I turn the tablet on. So ...
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2answers
61 views

Who is responsible for locking the bootloader?

I was wondering who is in charge of the locking of bootloaders. I recently chatted with a representative from LG-UK enquiring about the unlocking of bootloaders. I was told that I need to speak to ...
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2answers
2k views

How do I know If my phones Bootloader is locked or not?

I want to flash TWRP & SuperSU to take a backup, but I read that if you flash TWRP with a locked bootloader it would brick my device & wipe my data, now that would just defeat the purpose. How ...
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2answers
5k views

How to Upgrade Sony Xperia Z3 Compact (D5803) to Android 8.1?

How do you upgrade the Sony Xperia Z3 Compact (D5803) to Android 8.1? There are a number of web pages that attempt to answer this question, but none of them provide every step along the way. These ...
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0answers
223 views

How to open the bootloader for Acer DA220HQL?

Got this DA220HQL from my mom, it was plugged in like once before, and is about 9 years old. I plugged it in, started it up, and it had the glaringly bad ui of Android v4 something. I nearly hurled, ...
4
votes
1answer
108 views

Is my Android device booting into a “stealth” partition?

OK, this is a weird problem I’m encountering with an Android system I’ve been using without problems for several years now… and I’m practically out of ideas on how to potentially fix it. Let’s start ...
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0answers
218 views

Moto g4 plus can't be unlocked

When I go to unlock my moto g4 plus, I get a message that my computer cannot be unlocked. This is the getvar all result (bootloader) version: 0.5 (bootloader) version-bootloader: moto-msm8952-B1.07 (...
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0answers
34 views

Where is the “enable developer option” written to?

When enabling "developer option" on device, then the serial number of device becomes known when connecting device to PC, and booting into bootloader. adb devices List of devices attached ...
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0answers
84 views

SW Rev. error downgrading from Android 7.0 to 6.0.1

I am downgrading from android 7.0 to android 6.0.1 b/c of app compatibility issues. My phone is the SM-N920W8 Galaxy note 5. I get the error "Device: 5 Binary: 4" which I assume is device boot ...
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1answer
69 views

My phone doesn't boot at all after restarting bootloader

My phone is Huawei Y3II. Now, my phone is not starting, no matter how I press the power button. I have tried Smart Phone Flash Tool, but it failed and it got an error 2004 - 6045. Now, it does ...
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0answers
930 views

Android x86 won't boot with GRUB 2 - stuck at Detecting Android x86

I recently installed Android x86, using ~~99 GB free space on an old drive, partitioning it into /dev/sdb3. After reinstalling grub (accidentally selected "yes install grub" in the installation menu),...