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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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218 views

Asus Zenfone Max Pro M1 unlock bootloader process stuck at sending file

Begin fastboot flashall ------------------------ Erase Data: Yes Support All device current-slot is current-slot buildtype is user target reported max download size of 536870912 bytes sending '...
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1answer
126 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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37 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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41 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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79 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
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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0answers
47 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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33 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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135 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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183 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 ...
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1answer
289 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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57 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 ...
2
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1answer
2k 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
65 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
639 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
210 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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299 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
531 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
3k 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
115 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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95 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
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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1answer
146 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
911 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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1answer
931 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 ...
1
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1answer
140 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
1k 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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1answer
281 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
1k 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 ...
3
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1answer
377 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 ...
0
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388 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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706 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 ...
2
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1answer
4k 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. ...
2
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1answer
432 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
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1answer
113 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
151 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 ...
0
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2answers
68 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 ...
1
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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 ...
0
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2answers
9k 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 ...
4
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1answer
134 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
309 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 (...
1
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1answer
76 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
1k 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),...
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1answer
1k views

HTC one M8 won't flash RUU or unlock Bootloader

I hope u r havin a good day -I just found out that model on the back of the phone is 0P6B100 while it's 0P6B700 in getvar, I found that out after trying all the x.xx.651.x RUUs flashed down below cuz ...
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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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0answers
133 views

Galaxy S4 SCH-I545 stuck in Start Up Failed

After using the Official TWRP app to flash TWRP recovery to my Samsung Galaxy S4, I am stuck on a screen that says "Start-Up Failed" and "Secure Fail: Kernel." I think it is because I flashed it to ...
1
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0answers
2k views

Android x86 not change resolution on Virtualbox and VMware Workstation

I installed android-x86_64-6.0-r3.iso and after launch I see: I tried to change resolution as described here: Android x86 Marshmallow not booting on Virtualbox and VMware Workstation https://www....
1
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1answer
216 views

Input Keyevent in fastboot mode?

I'm trying to unlock the bootloader of my old Alcatel OneTouch Idol X+. I got to the point where my phone would ask me to press volume-up to confirm that. Due to a bug of which i read several times ...
1
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1answer
63 views

Preventing booting from unwanted/upgraded partition in Android

As I understand in Nougat and greater the system has two full partitions, one currently used and the second one that is used for upgrading. So during an upgrade the new bits are laid down on the ...
2
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1answer
2k views

How to delete Update.APP file from p8 lite

There is low disk space on my mobile and I want to delete this Update.APP file as you can se this file is taking 2.55 GB!!. I tried to delete it but it shows error "Error while deleting the file "...