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

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3
votes
1answer
283 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 ...
1
vote
0answers
233 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 ...
10
votes
2answers
78k views

What does it mean to “brick” your phone?

I'm considering unlocking the bootloader on my Verizon Galaxy S3 (SCH-I535). However, a guide I was reading made this statement: Once you have unlocked your phone’s bootloader using this app, you ...
0
votes
0answers
36 views

How to root Galaxy Note 3 SM-N900V running 5.0 Lollipop [duplicate]

I have recently bought an supposed N9005 Galaxy Note 3 on ebay, it turning out to be SM-N900V. So, now I'm stuck with super locked down phone. I have tried many methods(towel root, king root, one ...
0
votes
1answer
366 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 ...
0
votes
0answers
289 views

How to remove pattern lock from Huawei G525 without using OS?

After two many pattern attempts on Huawei G525-U00, there is a sign in Google account request to unlock the phone. I've tried all of my Google accounts, and it seems none of my accounts are ...
0
votes
2answers
1k views

Is there anyway to backup current ROM without unlocking bootloader/ installing clockworkmod recovery?

I'm trying to use ROM Manager app to backup the current ROM of my Xperia Z but it seems that cannot be done without unlocking the bootloader/ installing ClockWorkMod Recovery. Is there any ...
1
vote
1answer
2k 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
vote
0answers
3k views

fastboot oem unlock: hangs with `…'

First of all, I am a newbie to Android. I am using Ubuntu Gnome 14.10 to run all the commads. I am trying to unlock the bootloader of my Lenovo A536 (stock Android 4.4.2 aka KitKat). Here is what I ...
0
votes
1answer
65 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
vote
0answers
40 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
vote
0answers
43 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 ...
0
votes
0answers
65 views

Nexus 5 softbricked bootloader not working

I tried installing Ubuntu Touch on Nexus 5 ( not the 5x). It failed (hangs in the splash screen.) I then tried to wipe it with Ubuntu's own recovery. The phone went bang. It boots to the Ubuntu ...
0
votes
1answer
65 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?
0
votes
0answers
202 views

Error unlocking HTC 626s bootloader?

I have a HTC Desire 626s purchased from virgin mobile and I wish to unlock my bootloader and root the device. So I have been following the HTCDev bootloader unlocking instructions. But whenever I ...
1
vote
1answer
3k views

Samsung Galaxy S3 I9300 is not detected by fastboot under Ubuntu 14.04

When I connect my device in Download mode to my laptop, it is not detected by neither adb nor fastboot commands: fastboot devices and sudo fastboot devices returns nothing when device is connected ...
3
votes
1answer
2k 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 ...
0
votes
0answers
2k views

Nexus 7 2013 Bricked. Won't boot, won't flash stock image, won't unlock bootloader

So I have the following problem: I have a Nexus 7 2013 locked and un-rooted. After turn it off the boot won't go after the Google logo. I tried pretty much every solution founded online: wipe cache (...
0
votes
0answers
149 views

How to enable Android Marshmallow multiwindow without unlocking or ROOT

I upgraded my Nexus 9 to Android 6 and I want to enable the multitasking feature. But it requires unlocking the bootloader. I have the latest updates installed and I am using stock ROM. Enabling ...
0
votes
0answers
37 views

Boot Nexus 7 2013 from network via PXE/iSCSI or NFS

My Nexus 7 SSD is basically dead thank to poor hardware design of the first batch (http://www.geek.com/android/the-nexus-7-lag-dilemma-and-why-theres-no-real-fix-1560784/) and I was wondering if I ...
-1
votes
1answer
193 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. ...
1
vote
0answers
53 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 ...
7
votes
1answer
3k views

Unlocking the Nexus 9 bootloader

I'm trying to flash the Android M Developer Preview onto my Nexus 9 (volantis) following the steps from Google. However, when executing the unlock command, I get an error that permission is denied: $...
0
votes
1answer
292 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 ...
3
votes
1answer
11k views

Debugging bootloop: Get an information log without ADB? Can an emulator help? [duplicate]

Possible Duplicate: Android boot-up messages for debugging? Related to this post I created: Does the Android emulator generate some sort of log file I can access if it crashes? I have been ...
0
votes
0answers
158 views

HTC One mini HTCdev Unlock Bootloader won't unlock in the last step

After not using my HTC One mini for quite a while, I now want to use it again. However when I turn it on, it shows a locked bootloader. So I singed up on HTCdev to unlock it and went through every ...
0
votes
0answers
62 views

Protection from flashing ROM

Hi so i was trying to theft protection my android phone. I unlock screen lock code, Cerberus with root privileges and also I'm about to encrypt my phone(not that it helps much to recover your phone ...
0
votes
1answer
56 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 ...
-2
votes
1answer
406 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 ...
0
votes
0answers
162 views

Unpacking repacking boot.img creates unusable boot.img

I have tried to create a custom boot.img using Android Kitchen, Cofface's unpack/repack kernal tool, and abimE, but each time I repack I get a boot.img that is less an half the original size and get ...
0
votes
0answers
105 views

Android sticks gets stuck at boot screen, then gets fixed overnight automagically. Why?

I have a chinese google stick - mk808b plus http://www.gearbest.com/tv-box/pp_124593.html System: Android 4.4 GPU: Mali-450 CPU: Amlogic M805 It works okish, plays the movies, reboot fine, power ...
0
votes
0answers
118 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 ...
8
votes
2answers
29k views

Is it possible to boot an Android phone from a USB drive?

Is there any way to boot an Android phone* from a bus-powered USB drive**? If so, what are the steps to achieve this? * E.g. one with USB OTG functionality. ** E.g. a flash drive.
0
votes
1answer
443 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?). ...
0
votes
1answer
4k views

LG Optimus 4X HD - unlock bootloader?

I have just rooted the LG Optimus 4X HD using instructions I found at How to root the LG Optimus 4X (LG-P880)? I now need to unlock the bootloader, but for some reason the command adb reboot oem-...
3
votes
1answer
64k views

How to unlock bootloader on samsung devices?

Before you try to install any custom ROM on your device, you need to unlock the phone’s bootloader, which is a code executed before any OS (operating system) launch. The notion of a bootloader is ...
1
vote
1answer
971 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
288 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
vote
0answers
78 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 ...
1
vote
2answers
4k views

How to do a factory reset when recovery mode, usb debugging and factory reset don't work?

I have a device called "EXEQ SET": http://www.exeq.ru/produkcija/pristavki/os-android/set.html It runs Android 4.1.1. It is spitting out errors like this every other second, making the device almost ...
2
votes
0answers
2k views

Can't unlock bootloader

I'm trying to unlock the bootloader of my tablet for hours now.. There's no solution out there that worked for me. I've already tried: fastboot oem unlock (the tablet responses with a question ...
5
votes
1answer
14k views

What does HBOOT mean?

My best guess as of now is "partition and mount point layout". But it feels like there's more to it, since the bootloader can identify the HBOOT by name. I've been flashing custom ROMs for quite a ...
0
votes
1answer
2k views

Xperia M dual stuck at boot screen after unlocking bootloader!

Help needed it's urgent. So I have unlocked bootloader successfully via fastboot. Everything went fine until the end without any error. So I disconnected the device from PC and rebooted it and now it ...
0
votes
1answer
231 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....
1
vote
0answers
1k 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 ...
0
votes
1answer
23k views

What is the difference between rooting and unlocking the Boot Loader in reference to Android? [duplicate]

I have heard these two terms the most, whenever people talk about Android OS. One of them is Rooting or root access, and the other one is unlocking the Boot Loader. Are these two terms exactly the ...
2
votes
0answers
149 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 ...
0
votes
0answers
75 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 ...
0
votes
1answer
1k 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 ...
2
votes
1answer
1k views

Can I flash a custom boot.img to Nexus 5 when “Secure Boot” is enabled?

I have compiled the Android Linux kernel for Nexus 5 with some modifications. My phone is LG Nexus 5, whose bootloader has been unlocked, but the "Secure Boot" is still enabled. As I understand, ...