The bootloader is started shortly after the device's basic checks and is responsible for loading the Android OS. It can be used to boot different rooms besides the stock firmware, if the bootloader is unlocked.

learn more… | top users | synonyms

2
votes
0answers
17 views

BOOTLOADER - USB Device Not Recognized

I am currently using a ROOTED "Huawei MediaPad 7 Lite" tablet and am having issues entering the bootloader. When powered on and connected to a PC, the device is seen in adb using the command adb ...
0
votes
1answer
16 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
0answers
23 views

Unlock bootloader - HTC Droid DNA

I am trying to unlock the bootloader on my HTC Droid DNA. When I enter: fastboot oem unlock into terminal, I get the following result: ... (bootloader) [ERR] Command error !!! OKAY [ 0.001s] I ...
1
vote
0answers
14 views

White screen while charging when phone is off

I'm using my phone (Lenovo A660) since more than two years. Usually, I do not boot the phone to often (approximately once a month). However, I recently realized when I turned of the phone, that the ...
0
votes
1answer
59 views

Install android on non-booting XT1033 (Moto G 1st gen) - USB debugging not enabled

I have a Moto G (XT1033) running Android 5.0.2 that went out of charge one day. It then decided to boot into a black screen - i.e. I can see the Motorola splash screen (animation) but all I get after ...
0
votes
0answers
17 views

How to enable bootloader logs

I am working on a OEM project in Android. I want to take bootloader logs immediately after rebooting my device. How to take bootloader logs?
0
votes
0answers
40 views

Settings crashes with “Unfortunately, settings has stopped” each time I try to select system update

Settings crashes on my samsung s4 sprint SPH L720 each time I tried selecting the system update. I really need to fix this problem ASAP. I tried factory reset for uncountable times but no result, I ...
0
votes
0answers
35 views

Black screen after htc splash screen

My Htc Desire 620 get's on black screen after flash recovery with 'WinDroid Universal Android Toolkit v2.4.exe'. I can get into the bootloader. This is unlocked. fastboot getvar all ...
1
vote
0answers
29 views

How can I unlock bootloader of LG Vortex (VS660)

I'm trying to flash CyanogenMod to an old LG Vortex. I believe the first step is to unlock the bootloader. (I have successfully done this to a Nexus 7). I have adb and fastboot installed on LM17. Most ...
2
votes
1answer
62 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
0answers
46 views

How to unlock Sony Xperia Z1C bootloader?

Is there any way in which i could unlock it if it isnt officially supported? I've managed to get the XZdualrecovery working...
0
votes
1answer
29 views

Is it possible to compleately and utterly brick a phone with no chance of repair?

As i have recently gotten into some research about android kernel development and would like to fiddle around my phone and of course i have seen all the warnings about "bricking your device" but it ...
0
votes
0answers
60 views

Unlock Bootloader MTK65xx

Does anybody know how to unlock the bootloader in MTK phones? Thanks in advance! ;)
0
votes
1answer
43 views

Does 'fastboot oem unlock' still work?

Does this command still work? fastboot oem unlock I ask this question because I am obviously trying to unlock my phone's bootloader and can't seem to auto-tab the option or see an entry for ...
0
votes
0answers
18 views

Nexus S Change Bootloader. Is it OpenSource?

Loved my Nexus S but it's now been decommissioned and replaced. I've got a job for it to do, but to use it I think I would have to make a minor change to the Bootloader. Basically I want the Nexus S ...
2
votes
0answers
143 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 ...
1
vote
0answers
27 views

Bootloader frozen on Nexus 10

My Nexus 10s bootloader is stuck, it keeps saying "Downloading... Do not turn off target!!" and fastboot commands have no affect on it. I also can't use the volume rocker to boot into recovery or ...
0
votes
0answers
25 views

Access Bootloader on VSD241

I'm trying to access the Bootloader on a Viewsonic VSD241, but the menu that comes up tells me to hit the "volume up" button to select Bootloader from the menu. There are no hard volume control ...
0
votes
0answers
76 views

Device freezes after trying to reboot with bootloader

I have been trying to unlock my bootloader as per the instructions found here. I already have installed the drivers from Google USB driver folder that comes in Android SDK "extras" folder. However, ...
0
votes
0answers
12 views

Update made my tablet Force Boot when completed

I have a Samsung Galaxy Tab 4 7" tablet and when I had gotten an update it said in a toast notification Forcing Boot and when it succeeded in starting the tablet all apps that were on SD we're not ...
0
votes
0answers
14 views

Restoring personal data after bootloader unlock [duplicate]

I plan to unlock the bootloader on my OnePlus One device but from what I've seen in forums, personal data (media, app data etc) are lost in essentially what is a factory reset of sorts. Is there any ...
0
votes
1answer
491 views

How to unroot and lock bootloader in HTC desire 820?

I have unlocked the bootloader with windroid, then I flashed TWRP recovery, then I flashed supersu zip file through TWRP to root my phone. Now I want to Unroot and relock the bootloader, but when I ...
0
votes
0answers
175 views

How to unlock the bootloader on the Samsung Galaxy Tab 2 10.1 (GT- P5100)?

I have Samsung Galaxy Tab 2 10.1 GT-P5100. I would like to unlock the bootloader because I want to be able to upload a custom ROM. How to do this?
0
votes
0answers
233 views

Flash motoboot.IMG without computer

I need to upgrade my bootloader for lollipop, problem is my laptop is being repaired at the moment... Is there any way I can flash motoboot.img without a computer? I have root, Philz advanced ...
0
votes
1answer
174 views

Android Bootloop No recovery mode - only viberation

Phone: Huawei honor 3c I downloaded Emotion UI 3.0 for "probably" the wrong set form here offical site.But it was installed properly. Then there was an update of same emotion UI, which on ...
0
votes
1answer
296 views

Can I flash an unlocked G900T bootloader on a G900A?

I have a G900A and a G900T (short story: couldn't live any longer with the locked bootloader on G900A so I bought a G900T to use on AT&T). It's possible to flash a custom recovery/ROM onto the ...
0
votes
1answer
1k views

Asus memopad7 170C, unlocking bootloader fails

I'm trying too root my Asus memo pad 7 (170C), I've tried EVERY method, using KingoRoot, SuperOneClick, Frameroot, motochopper. None of them worked. So I decided to do the rooting stuff myself, first ...
1
vote
0answers
817 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
188 views

Enable framebuffer console in Android kernel source

Is it possible to somehow enable the framebuffer console in android kernel sources from samsung, to see kernel messages instead of just the bootlogo?
0
votes
0answers
111 views

“Locking” a Samsung Bootloader

In order to prevent cold-boot attacks against an encrypted Android filesystem, it has been recommended to keep your bootloader locked at all times with the original factory recovery installed. The ...
1
vote
2answers
543 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 ...
0
votes
0answers
224 views

HTC One M8 is stuck on bootloader and won't accept “adb * mods”

I have HTC One M8 that has been rooted, but relocked and S-OFF. I have also tried fastboot flash boot boot.img and then I get this message everytime. sending 'boot' <8624 KB> ... FAILED ...
0
votes
1answer
420 views

adb does not reboot my Samsung Galaxy SIII I9300 to bootloader (download) mode!

My device is Samsung Galaxy S3 I9300 and I did a complete factory reset. Device is NOT rooted yet. It works properly. I can do all of following with my device: Power off using device keys. Start ...
1
vote
1answer
756 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 ...
0
votes
0answers
51 views

Rooted Nexus 5 lollipop GOOGLE start screen won' turn on

since I rooted my nexus I and couldn't make screenshots anymore. So I decided to go and check if I could fix it in Recovery mode. I couldn't find anything about it so i wanted to turn it back on. it ...
0
votes
0answers
68 views

device not loading into bootloader

I am trying to boot my rooted android device into bootloader to unlock it. I have tried following commands but none is working. adb reboot-bootloader adb reboot bootloader Even when trying to ...
0
votes
0answers
1k views

phone on bootloop with a problem in the cache

My phone somehow got stuck in a boot loop and I can't fix it. I don't know what to do. I cant get pass the start up animation no matter what I do. I've tried the fast boot commands to flash and keep ...
0
votes
1answer
615 views

Need help unlocking my bootloader on HTC Desire 310

EDIT: It has failed with a too many links error This christmas I was treated to a HTC Desire 310 and I am trying to root it which I understand needs the bootloader unlocked. That is where my issue ...
0
votes
0answers
201 views

Get HTC Desire HD into recovery / fastboot / adb with dead volume keys

So my friend tried installing a custom rom on his phone resulting in bricking it. He gave it to me to try to fix it. The phone is a HTC Desire HD with physically broken volume buttons, so I can't get ...
0
votes
2answers
1k views

fastboot flash = FAILED (remote: invalid bootloader image)

After breaking CyanogenMod on my Nexus 5 I want to flash it with a factory image but all I get is: fastboot flash bootloader bootloader-flounder-3.43.0.0114.img sending 'bootloader' (2970 KB)... OKAY ...
0
votes
0answers
20 views

Unable to maintain download mode

i have just been given a Samsung Galaxy S3 mini to flash, but i cant maintain the download mode, when i do the key combination (volume down + home + power) it simply flashes the download mode and gets ...
0
votes
1answer
2k 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 ...
1
vote
1answer
130 views

boot process recovery or rom

When I power my device (htc one m8) on and press the volume down key I get into recovery. Now which part of the booting process checks if this key is pressed and uses the correct partiton (boot or ...
2
votes
2answers
6k views

Nexus 7 Error: Failed to mount /cache

I had a problem with my Nexus 7 (2013, 2nd gen) tablet. I restarted my tablet and when it was rebooting again, it showed "Google" logo and then stood there. I wait it (around 20 minutes) but it did ...
1
vote
1answer
147 views

All partitions wiped, USB Debugging was not enabled, ADB and fastboot can not see Nexus 5

I got my shiny new Nexus 5 a couple of weeks ago and decided i wanted to root. I rooted using fastboot on my Ubuntu box. I then installed MultiRom and from there I installed Ubuntu touch. ...
1
vote
0answers
571 views

Unlock bootloader using Ubuntu/Linux

I'm trying to root the device name: Overmax SteelCore 10+ to install ubuntu touch. When i use $ adb devices sometimes i get: 0123456789ABCDEF DEVICE and when i type to reboot ...
0
votes
2answers
1k views

Is there any way to put a password to avoid someone from hard resetting my phone?

I have a Moto G, and I am very careful in protecting my data. I currently use CM Security App from the Google Play Store and it's very helpful in taking a photo to a person who tried unlocking my ...
0
votes
0answers
122 views

ZTE Skate Acqua stuck on phone company logo

So, I was just restarting my ZTE Skate Acqua (it was getting really slow) and now it isn't turning on. It gets stuck on the phone company logo. I have noticed that during the transition from the ...
2
votes
1answer
2k views

Nexus 5 IMEI number gone after updating

My IMEI number has disappeared on my Nexus 5 and now can not call or text . Status of the phone says: Network: Unknown Mobile network type Unknown Service State: Out of service Mobile network ...
1
vote
0answers
213 views

Any way to get root without a custom recovery? (Unlocked bootloader)

I have a phone with an unlocked bootloader (Motorola Moto Maxx XT1225) but there's no custom recovery available for it yet. Is there any way to get root/flash super su without a custom recovery? Or ...