Questions tagged [bootloader]

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

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Unlocking bootloader LG G6 Verizon

I'm not able to get fastboot to respond to any commands There is no OEM Unlock Option visible in the Developer Options Screen LG's tool does not support the LG G6 Are there other options I should be ...
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564 views

Android boot/radio/vendor images: What needs to be matching?

Today i got a replacement phone for my nexus 5x and i wanted to use a TWRP (disk image) backup from the old one. It's running now after quite a bit of experimenting to find matching images, including ...
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Bootloader questions

I'm trying to learn about the android's bootloader. However, I got into some questions : There are the SECURE BOOT and LOCK STATE. The LOCK STATE (if enabled) makes all partitions to read-only mode (...
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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 ...
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1answer
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Yuphoria bricked and stuck in bootloop

My Android device YU Yuphoria is currently bricked and stuck in a bootloop. What I tried to do to cause this was that I first rooted the phone and installed TWRP. Then I installed Android Nougat on it,...
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585 views

Is my Galaxy 10.1 Tablet dead forever, or can I bring it back to life?

I have a Samsung Galaxy Tab 10.1, 16GB, wifi only version, GT-7510. Bought in the US. It was running a rooted version of Lollipop for a long time with no problems, and then in the last couple weeks, ...
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60 views

ZE551ML ASUS ZF2, Bootloader failure

I tried to do a procedure described in this video https://www.youtube.com/watch?v=BJPEc1NG_k8, about installing Lineage OS on a zenfone 2 ze551ml. In a specific part of the video, is required to ...
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435 views

Where should I place iptables update on Android at boot time?

I need to write specific values in the routing system using the iptables command for Android. The overall idea is that the user can navigate only using the provided DNS configuration. I've tried to ...
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498 views

Unlocking oem Elephone p9000

I'm trying to flash TWRP on my elephone P9000, but when I use SP flash tools it doesn't download anything to my device, so I decided to try adb. To get access to write a new recovery, I need to ...
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2answers
3k views

Can't install Lineage OS due to outdated bootloader on Moto G 2013 XT1034 falcon

I just bought a Moto G XT1034 and I'm trying to install Lineage OS 14.1 (lineage-14.1-20170307-nightly-falcon-signed.zip). I'm following the wiki instructions (http://wiki.lineageos.org/falcon_install....
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2k views

How to get out of boot loop on Mi 4i?

I got stuck in a boot loop. Can access Mi Recovery. Can't access fastboot for more than 10 seconds. I had accidentally wiped everything from my phone, without any backup. Also, I had USB Debugging off ...
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1answer
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Format Preloader and reflash (mtk6582) Sp flashtools

The problem is that spflash tools says: "PTM changed for the ROM: It must be downloaded." The solutions are, download the preloader.bin (not work for me), and format all + download.... but I want ...
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299 views

Device administrator can not be deactivated

I installed a security app on my Samsung phone and it blocks the device from going to Odin mode (bootloader) so I can not update the software. I can not remove this app because it is a device ...
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1answer
2k views

Flashing Nougat failed (partition table error), fast bootloop

I tried flashing my Acer Iconia tablet with Android Nougat (NMF26U), following the Google directions, but it failed during executing flash-all.bat. What can or should I do to try and restore my ...
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What does rebooting bootloader do?

I recently got a OnePlus 3T, then I updated it and now it's bricked. I cannot access recovery mode. I figured out how to get to a screen where I can reboot the bootloader. What does it do? Will it fix ...
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2answers
76 views

Phone will randomly crash, then only loads to boot loader

I rooted my Samsung-sm-g930a (Galaxy s7 AT&T) And after I did, the VOLTE showed up... I thought nothing of it because it is Voice Over LTE but a week after I did that when i tried to open an app ...
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1answer
921 views

stuck in bootloader with usb debug off

i am stuck in bootloop with no recov.img installed. My usb debug is off too.how enble usb debug in bootloader ?
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1answer
880 views

Unlocking my sony xperia M5 DUAL's bootloader

Can anybody explain me how I could unlock the bootloader of my Sony's Xperia M5? Because in your developer website, there's not my phone in your unlockable bootloader list. And when I type this code ...
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1answer
1k views

Is it required to unlock the bootloader to root (normally)?

So, a long time ago I rooted my device using a Windows app called KingoRoot, and after that my tablet didn't boot. The exact same thing happened with my other device. I did not unlock the bootloader ...
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1answer
5k views

Does the installation of the custom rom like “resurrection remix” need root?

I was wondering if root is required or only unlocking the bootloader will do for custom ROM installations? I already have TWRP installed.
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949 views

Why can't I fastboot flash TWRP?

I have adb and fastboot installed, but when I got into fastmode on my Zenfone 2 Laser it won't list the device anymore. I am using Ubuntu and the adb/fastboot seem to work just fine in the terminal. ...
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Replacing Boot loader

i want to replace my nexus 6 stock boot loader with the one i customized based on little kernel. but as long as i know there is a authentication chain from the very start of booting process in boot ...
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591 views

Impossible to use the data partition of the user in huawei

Today i have turned on my Huawei g play mini and a screen appeared saying that it's impossible to use the data partition of the user and three options:backup,reboot and wipe.I have tried everything ...
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2answers
2k views

How do I lock my bootloader again?

I tried to root my Moto G3; but I was unsuccessful. Now my phones boots with this warning.                   ...
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1answer
790 views

Unlocked bootloader “can't” be checked

I have a Nexus 6p, and I unlocked it's bootloader. There is a message saying that my phone can't be checked for corruption since the bootloader is unlocked. I am a little confused because when I ...
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1answer
3k views

HP Slate 21 Won't Boot and Recovery Doesn't Work

My stock HP Slate no longer boots. It stops at the HP logo / Powered by Android splash screen. I've tried all of the solutions typically available to this device like resetting with the power turned ...
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1answer
714 views

Simulate a keypress on Android tablet without a keyboard

This is a follow-up question to this question here. This YouTube tutorial here outlines the process of installing Windows 10 on an Android tablet with an x86-based processor architecture. However, a ...
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0answers
151 views

Unlock Nexus 6P bootloader without starting phone

Is there a way to unlock the Nexus 6P bootloader when I am not able to start the phone anymore? I am experiencing the infamous bootloop and cannot start my phone anymore. I would like to flash a fresh ...
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1answer
720 views

Unknown error in bootloader during unlock after crash

With my ACER a700, Android crashed. Now, each time I turn it on it starts in fastboot mode. I tried to unlock bootloader to install Cyanogen, but after command line I have an response like "Error: ...
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1answer
2k views

Re-lock and unlock bootloader on the Nexus 5X for Android Pay

A very recent change in Android Pay means I can no longer use it on my Nexus 5X that has an unlocked bootloader (http://www.androidcentral.com/android-pay-no-longer-works-if-you-unlock-your-bootloader-...
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1answer
4k views

Moto G stuck on the screen “Warning bootloader unlocked”

I'm trying to solve a problem that is affecting a Moto G 2014 XT1069 device. What happened is that the device did shutdown, then when trying to power it up again, it stayed stuck on the Motorola logo ...
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2answers
2k views

What happens after Unbricking a Oneplus 3

There are many guide to unbrick the oneplus 3 and I followed the [GUIDE] Mega Unbrick Guide for A Hard Bricked OnePlus 3 on xda by Naman Bhalla and after the step 9 this is my condition now i cannot ...
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39 views

cannot unlock the bootloader in my one plus x, the phone is in boot loop

it shows bootloader unlocked and the phone restarts on cyanogenmod recovery screen. and then the bootloader locks itself again. please help. i want to install the latest nightly on my one plus x. ...
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1answer
471 views

HTC one e8 Stuck at htc logo

it wil only startup after a factory restart but after a second it says com.android.settings stopped. after that i cant reach any app because of the black background after a minute it turns itself into ...
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0answers
769 views

Unable to unlock Boot-loader

My android device is 4.4.2 with MT6592. I am not able to unlock its boot-loader. After commands …. adb reboot bootloader fastboot oem unlock Android device asks permission. I confirmed on android ...
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1answer
710 views

Unable to unlock Android bootloader

I have a Weimei We, it's an Spanish-Chinese brand, yes, really odd, anyway the other day I touched something in the system partition trying to remove the root (I rooted the phone a few months ago) and ...
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1answer
9k views

how to work around "Your device does not qualify for bootloader unlocking

I've followed the guides but stupid Motorola is telling me that I can't unlock the bootloader so I'm blocked with sudo ./fastboot flash recovery twrp-3.0.2-0-surnia.img (bootloader) has-slot:...
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1answer
309 views

My computer doesn't detect my Samsung Galaxy A5 at all on bootloader mode

I'm trying to unlock my bootloader on my Samsung Galaxy A5. I've done a lot of research and can't find a solution. My problem is that whenever I turn on bootloader mode, my computer doesn't even see ...
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1answer
113 views

How can i install all my apps in other phones at once

I am an app developers , I also work on phones, How can i install all my apps into my customers phones at once. Instead of installing each one by one. is there a faster method through which I can ...
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298 views

LG D620r stuck on bootloop after flashing TWRP

I've recently tried to install Cyanogen Mod for my LG G2 Mini (D620r) - i downloaded all required software and double checked if that's for my phone model. I've rooted the phone, unlocked the ...
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1answer
258 views

how can I get into download mode of Cube Talk7x (U51GT-W)?

I tested all 4 methods in this article. But I still cannot get into download mode. The second method get me into a factory mode: SECOND METHOD Power phone off Plug USB into Computer ...
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1answer
137 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
705 views

How to get a clean device tree to build the drivers of the msm8939/snapdragon 615

I come to you with many interrogations about qualcomm msm8939 SoC. I bought the Archos 50 diamond last year and have since been waiting for archos to make their move regarding android software ...
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1answer
620 views

Unable to unlock boot-loader and root Micromax Canvas A1 AQ4501

I have Micromax Canvas A1 AQ4501 which comes under Android One. It’s upgraded to Android 6.0.1. I tried to unlock its boot-loader but it’s not successful. I did • adb reboot bootloader • adb ...
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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 ...
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1answer
2k views

How can I unlock the bootloader for my Moto G [Verizon Pre-Paid]

I've had this phone for 2 years, the moto g 1st gen with verizon prepaid. ive looked everywhere. theres no way to unlock the bootloader, atleast not that I've found. I've searched everywhere on the ...
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1answer
10k views

How to enable “double tap to wake up” in any android device?

I've heard about the feature "double tap to wake up". How to enable this option on my device My device details: Gionee P3 Lollipop Cyanogenmod 12.1 Kernel Version 3.4.67
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1answer
309 views

Couldn't acquire root after running superboot

I've already done all steps for getting root at my MotoG (2nd generation) but still can't acquire the privilege. Unlocked bootloader: Started developer mode + USB debug Ran fastboot oem unlock ...
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0answers
54 views

Android revolution HD boots to bootloader

I just installed Android Revolution HD rom on my HTC One M9, everything went fine but it won't boot, every time I boot the phone it opens the bootloader screen. I installed the rom using TWRP
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2answers
2k views

How to install recovery after rooting Xperia M (stock ROM 4.3) to install custom ROM?

I have a rooted Xperia M Dual (C2004) with stock ROM 15.5.A.1.5 (4.3 Jelly Bean). Bootloader unlocking is allowed and I also have the unlock code already. Since Sony decided to stop giving updates I ...