Questions tagged [bootloader]

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

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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 ...
5
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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
1k 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 ...
32
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10answers
103k 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
58 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 ...
0
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3answers
14k 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.
3
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1answer
8k 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
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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 ...
1
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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 ...
1
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1answer
6k 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 ...
1
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0answers
121 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 ...
1
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0answers
331 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 ...
1
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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 ...
1
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0answers
188 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 ...
-1
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1answer
316 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. ...
0
votes
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 ...
-1
votes
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 ...
1
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2answers
178 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 ...
0
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1answer
761 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
256 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 ...
0
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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?). ...
1
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1answer
5k views

Volume buttons not working in fastboot mode (LG Leon H320)

I'm trying to unlock the bootloader on my LG Leon (running on Android 5.0.1 Lollipop). I've followed SO many online tutorials, and most come down to one and the same problem: First I create a backup ...
7
votes
0answers
21k 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 ...
3
votes
0answers
1k views

How to change the boot logo, Not the bootanimation 4.2.2

Im trying to find out if I can change the boot logo, the one that shows up right before the bootanimation. Currently it show's me a linux logo. I am looking to either completely remove it or change ...
1
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0answers
196 views

Bricked Nexus 7, USB Not being recognised at all

My Nexus 7 all of a sudden stopped sending data through usb OTG and i tried to erase cache through TRWP but ended up deleting the OS. Now I am stuck with a device with no OS. I cannot mount the USB ...
0
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1answer
1k views

Error installing CyanogenMod: Unsupported bootloader

I am trying to install CyanogenMod 12 on my Moto G 4G XT1040 Peregrine by following this guide from the Cyanogen Wiki. I have: Unlocked my bootloader Installed a custom compatible recovery (TWRP v2....
2
votes
1answer
19k views

Fastboot oem get_identifier_token - FAILED (remote: unknown command)

Hello Everyone! I am trying yo unlock the bootloader with no success. Basically, the following command Code: Fastboot oem get_identifier_token is hitting the error of: FAILED (remote: unknown ...
2
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1answer
5k views

Booting into custom recovery with a locked bootloader

I'm planning to flash a custom ROM on my device, but too lazy to take backups.. My favorite backup tool being Titanium Backup, I want root access on my device before I unlock the bootloader. But ...
2
votes
0answers
466 views

su fails: “wget: bad address 'static.zhiqupk.com'” and unable to unlock bootloader

A friend of mine bought a used Samsung Galaxy S6 or at least we thought so, but it looks that it might be a chinese phone. After wiping all data/cache, the phone still had a lot porn/advertisement ...
1
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1answer
3k views

Can't boot into custom recovery on Cyanogenmod 12.1

After installing Cyanogenmod 12.1 on my LG G2 (d800) I'm unable to boot into custom recovery. If I use Cyanogen to boot into recovery, my phone just turns off and I can't turn it on for several ...
1
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0answers
258 views

Keyboard settings crashes at post-reset setup, can't access phone

I rooted my device and everything went fine (Kingo Root automatic app). Some time after making my first steps into the rooted device, I tried a "Reboot menu" widget, a window with options popped out ...
3
votes
0answers
470 views

Nexus 6 no longer turns on, now that I have flashed a Marshmallow ROM + bootloader

I have a Google Nexus 6 (Telus/AT&T) and I had been successfully running the Lollipop version of Chroma for months now. Yesterday I flashed Chroma Marshmallow ROM, and the recommended Google ...
0
votes
1answer
170 views

Do devices with a fingerprint scanner secure access to the bootloader/recovery

Pretty simple question but as I have never owned a device with a fingerprint scanner... basically I was wondering: If you secure your device with your fingerprint - is it possible to access the ...
1
vote
2answers
3k views

How to reset phone (DROID TURBO) system settings without factory reboot? System UI has stopped working

So, a little bit of background. The worst part about this is that I'm pretty confident I know how to fix it, but I don't know how to go about doing the thing I need to do to fix it. Bear with me a ...
0
votes
1answer
1k views

Retrieve Files From Device in Bootloader

I'm working on an android application. I accidentally turned on a developer option(I'm guessing RTL Layout), and now I get the message "..System UI has stopped working". I tried to clear the cache ...
1
vote
0answers
636 views

Unable to flash boot.img in htc one v

I'm trying to install a new rom in my HTC one V. I could successfully do everything with my one V until I upgraded my windows 7 to windows 10. I already have CWM recovery. USB debugging is ON . I try ...
1
vote
1answer
4k views

HTC One M8 doesn't boot up completely after Lollipop update

How can I get my M8 to boot up again? It freezes at the white screen where it says htc. Some background: To run the software update on my rooted M8 I had to put stock recovery back on it. I did that ...
0
votes
1answer
3k views

How do I check if the bootloader is unlocked on the LG Volt 2?

I rooted using kingroot and kingroot is my superuser app. I want to install clockworkmod to install xposed but I don't know if my bootloader is unlocked.
0
votes
0answers
3k views

Vodafone Smart Tab 3G 7" not booting

I have a Vodafone Smart Tab 3G seven inch. This device was switched of & when I wanted to use it then it just displayed at bottom screen Powered by Android. And then black screen. Vodacom can't ...
1
vote
1answer
1k views

Flashed wrong recovery on a QTAB with no bootloader or fastboot. What can I do?

Hey guys I was just tinkering, and it was stupid of me not to take a backup of any kind. Anyway, QTAB doesn't have a bootloader or fastboot menu. When I try adb reboot bootloader or fastboot, it goes ...
0
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0answers
100 views

Nexus 7 2013 wi-fi stuck at google logo after rooting

I downloaded AOSP (5.1.1, API level 22), made changes in the init.rc, and added the su binary / SuperUser packages to the build. I also added proprietary binaries relevant to nexus-7 flo (for Android ...
1
vote
1answer
781 views

Relock Y300 Bootloader

I have hauwei Y300-0100. I unlocked Bootloader Of My phone before for root it. Now i want to flash my phone with stock rom but i cant. I tried to lock my phone with fastboot but i gave an error: I ...
2
votes
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 ...
0
votes
0answers
365 views

Unlocking Bootloader on Motorola ET1

I would like to unlock the bootloader on my Motorola ET1, but I have a problem: once I restart the device in the bootloader, it is not recognized by my computer (fastboot devices doesn't detect it) ...
5
votes
2answers
20k views

What does rooting, bootloader, twrp and recovery mean? [closed]

I have just bought an android phone and I want to get the latest OS. However, I must root and unlock bootloader and recovery. I understand that to root something you gain administrative privileges. ...
0
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1answer
532 views

Process List of Charging Powered Off Device

Is there any way to access or log the process list when the phone is off, but plugged into my computer charging? I'd like to see what system processes are running when the phone is connected to a ...