Questions tagged [bootloader]

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

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1answer
638 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
149 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
680 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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0answers
1k views

can't update recovery - dtb not found

I'm using android watch (LG W200), I try to flash twrp, but it keeps using the default android recovery, I repeated several times without help. In some posts I find that it might be caused by wrong ...
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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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0answers
38 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
456 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
653 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
665 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
8k 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
287 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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0answers
286 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
228 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
133 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
682 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
601 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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1answer
930 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
9k 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
292 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
52 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 ...
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0answers
1k views

Can I replace my device's bootloader to grub?

Basically the title contains everything. I have an old smartphone lying around and I would like to change its bootloader. How can I know in which partition does it lie? How can I compile grub on my ...
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1answer
14k views

OPO stuck in “Erasing…” while unlocking bootloader

I've been following this guide about rooting my OnePlus One. All seemed fine - adb was good, fastboot as well - and I reached point 6.1. Typed in fastboot oem unlock and got this output: ... OKAY [ ...
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0answers
2k views

Nexus 9, no recovery, no USB debugging, OEM locked in Settings

I've got a pretty complex problem. At the moment: Nexus 9 WiFi Tablet, USB Debugging not enabled Normal Startup: Android laying on the floor Startup with Power+Volume Down: Fastboot Bootloader ...
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0answers
972 views

Fastboot “waiting for device”

I have an galaxy s4 i33 that I need to have upgraded for work (or buy a new phone.) On both windows and Linux I can type "adb reboot bootloader" to open the bootloader. However, in windows: -Odin ...
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10answers
88k views

Android x86 Marshmallow not booting on Virtualbox and VMware Workstation

I've downloaded the latest Android x86 (android-x86-6.0_20160129.iso) from here and tried to install it to the HDD on a VM in VMware Workstation and in Virtualbox. The installation seems to proceed ...
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0answers
57 views

SDHC memory card only readable while booting my phone

I have a 32GB SDHC memory card. It cannot be mounted normally, it says Blank SD card , SD card is blank or has unsupported file system. I have tried chkdsk on it with windows 10 which results in "RAW ...
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3answers
13k views

What happens if i flash a custom ROM on locked bootloader?

i want to know if i can flash a custom ROM without unlocking the bootloader if this impossible then what happens to the phone if i do that? Thanks.
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1answer
7k views

ADB app uninstall from bootloader

I have a Galaxy Core Duos that I was playing with. It is stock rom, unrooted. However, I installed one app which is crashing the phone after startup. So I cannot use the phone anymore and I need to ...
3
votes
1answer
9k views

Odin3 Bootloader button is greyed out

I'm trying to install the custom Rapture ROM to improve performance on my aging Note 4. I've rooted it and now in following the instructions I see I need to update my FW which involves loading ...
2
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1answer
6k views

Difference between bootloader and Download mode in Samsung Galaxy tablets

I'm working on Samsung Galaxy Tab tablets, specifically with Tab 3 (SM-T210) and Tab 4 (SM-T230), and being learning a bit about the boot and recovery images and the bootloader. I have not being able ...
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0answers
3k views

How to boot into bootloader?

I have enabled USB debugging as well as OEM unlocking developer option in my Infinix x510 which is running Android 5.1.1. I found that to reboot into fastboot mode, I have to turn off the phone, then ...
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1answer
11k views

Methods of checking bootloader status

Just curious if there's any methods to check bootloader state besides using fastboot. I ask because on my device, even after unlocking successfully, the bootloader still shows that its locked when ...
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1answer
5k views

Installing bootloader on completely wiped phone

My phone had an issue where it wouldn't leave the boot screen, so I reinstalled the bootloader and it didn't do anything. Then I formated the ENTIRE phone, including the repair menu, and now I have no ...
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0answers
113 views

How can I find out if the Bootloader is locked or not? [duplicate]

Is there a direct way to find out if the bootloader on a new unrooted device is currently locked or not? I would like to do this without the risk of clearing or bricking the device. I am looking for ...
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0answers
325 views

Xperia Z1 camera problem

I need someone who knows about flashing, bootloader unlocking and related topics for this problem: My Xperia Z1 doesn't take photos when the app tries to focus. With no focus enabled it goes ...
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1answer
7k views

Fastboot is not providing a token when trying to unlock HTC One M9

I am trying to unlock my HTC One M9 following the instructions on the HTCdev website. When I get to the part where you're supposed to obtain the identifier token, it doesn't give me any errors, but it ...
5
votes
1answer
13k views

Fastboot doesn't see nexus 6p

Currently trying to unlock my bootloader, but cannot get my nexus 6p to determine that it's connected to my PC. I can use adb commands while it's on, but booting it into fastboot mode with the adb ...
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0answers
187 views

Can't recover Nexus 5 from bootloop

Hey I am trying to get my Nexus 5 working again. I really need someone to help me troubleshoot this. One day I noticed my phone was off after about half an hour from being fully charged. It wouldn't ...
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votes
1answer
311 views

Cannot unlock bootloader of my OnePlus 2 with oem unlock

I want to flash my OnePlus 2, as it's stuck on the boot logo. For this, I first need to unlock the bootloader, but I can't: the adb command tells me I have to check "oem unlock" in the phone settings. ...
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1answer
2k views

How can I install a custom ROM on my Xperia S without unlocking the bootloader?

I have an old Xperia S and have rooted the device following the instructions here: http://forum.xda-developers.com/showthread.php?t=2417672 From my research, people are saying that I don't need to ...
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1answer
2k views

Connect usb cable and waiting for device problem in bootloader

I wanted to unlock the bootloader for my motorola moto g 3rd gen. I get to the step where I put my phone into fastboot mode. On the bottom of my screen in fastboot mode, it says 'connect usb data ...
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2answers
163 views

I flashed recoveries with Odin, why doesn't my phone boot bow?

Samsung S3 Android phone, not rooted, stock firmware. In chronological order: I turned on USB debugging, although could not use fastboot. I used Odin to flash multiple recoveries, but I don't think I ...
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1answer
714 views

How to Check if a Bootloader Allows SD Card Booting?

Would like to make bootable mSD cards for my Android devices. How do I Check if Android Bootloader Allows SD Card Booting?
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0answers
250 views

Nexus 5 (kitkat) does not boot into Bootloader mode - also cannot factory reset from ADM

I have an old Nexus 5 which I'm trying to use again because I dropped my current phone. This Nexus 5 was on 5.0 (the one with the swirling circles right?) and it boots up but I can't get into it. I ...
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1answer
3k views

How to enable adb in bootloader mode?

Is it possible to enable adb in bootloader mode? I've already managed to enable it at boot following this, but couldn't figure out yet how to enable it in bootloader mode (if it is even possible?). ...