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.

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12 views

xperia t bricked

after write failure in fastboot my command fastboot flash boot recovery.img write failure out of range ? THEN: cant start into fastboot - the led light up for just 3 seconds. bootloader cwm cant ...
0
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1answer
44 views

Update heavly customized but stock rom Nexus 5 keeping data?

I have a Google Nexus 5 with Stock Rom 4.4.2 and: Unlocked boot-loader Custom recovery (TWRP) Custom kernel (franco) Root X-posed framework What is the best method to upgrade to the upcoming ...
0
votes
1answer
37 views

Enable bootloader screen for Lenovo Vibe Z

I pressed and held volume up key for sometime and my Lenovo Vibe Z is seems to be bricked (not charging or switching on). I would like to get into to the boot-loader screen to factory reset the ...
-1
votes
0answers
6 views

Create a custom cwm [closed]

Can you help me to build custom cwm or find a cwm for innos i6? Basically I want to remove the sim restriction for main sim! Can anyone suggest a method to do that?
1
vote
0answers
48 views

Factory reset generic android device

I have a cheap generic Android tablet (a Groupon special) that won't boot. My theory is that the storage is full because this happened to two different tablets after installing apps. update: I learned ...
-1
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0answers
21 views

Unlocking Bootloader Xperia L

I want to install cwm on my xperia L.So please help me which kernel should I flash ?
0
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0answers
43 views

HTC Desire HD stuck in boot loader - how to get contacts

I woke up this morning and I found my HTC desire HD (running stock android 2.x with HTC Sense) with the boot loader screen. I tried to choose Recovery and Reboot but its still stuck in the same ...
1
vote
0answers
27 views

Samsung Galaxy S Captivate stuck at the boot screen

I have a Galaxy S Captivate and it has been problematic ever since. I flashed various stock roms (with and without bootloaders) in download mode and the phone always gets stuck at the boot screen ...
0
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0answers
46 views

Unlock Bootloader

Has anyone as of yet figured out how to unlock the bootloader on A Cricket Kyocera Hydro C5171? I really would love to know how if it's been done yet. Thank you.
0
votes
1answer
63 views

What is meant by locked bootloader?

Everyone complains about locked bootloaders on phones. From reading the bootloader seems to be code stored on the partition which /boot is mounted. Once the phone is rooted why couldn't one just ...
1
vote
0answers
90 views

ZTE Nubia Z5 Problem?

I have a Zte Nubia Z5 ("2nd Hand") with a software camera problem (I think is a software problem because the camera works sometimes) The phone has Android 4.1.2. I tried to hard reset the phone but I ...
0
votes
0answers
380 views

Fastboot: Lock state - Locked on nexus 7

I am having trouble unlocking the bootloader on my Nexus 7. When I boot into fastboot I see the message LOCK STATE - LOCKED. I want to unlock the bootloader so I can re-install the stock operating ...
1
vote
1answer
162 views

Possible to do Nandroid Backup BEFORE unlocking bootloader?

I have a stock Atrix 4G with Froyo (2.2.2) (Version.4.1.83.MB860.ATT.en.US). It's past warranty, so I'm not worried about voiding the warranty. As one would expect, the stock recovery doesn't offer ...
0
votes
1answer
122 views

Is it possible to unlock the bootloader without root access?

Is it possible to unlock the bootloader without root access? If so, is there another way to unlock the bootloader without using the command... fastboot oem unlock Now, for the background stuff ...
0
votes
0answers
181 views

Strange chinese menu on Lenovo IdeaTab S6000 - how proceed?

Context I just skyped with my mother (far away) because her android-tablet (running 4.2) showed a strange menu with chinese/japanese/asian characters, almost like a bootloader. My short troubleshoot ...
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votes
1answer
25 views

Unlocking the nexus 7 bootloader

I want to root my nexus 7 tab. The first step is unlocking the bootloader. I want to know that unlocking will wipe the os or just data? Can I start the tab after unlocking
2
votes
1answer
159 views

Xperia V can I relock my bootloader for Bravia Engine to work again?

I have unlocked the bootloader to try some roms, but too late I understand that this will make the Bravia Engine to stop working... If I relock my bootloader will that make the Bravia Engine to work ...
0
votes
1answer
36 views

Unlocking Bootloader

Recently I've unlocked my sony xperia p boot loader. I am sure that it is unlocked. But is there any option to find out that is it unlocked?
0
votes
0answers
84 views

How do I authorize my Galaxy Nexus for adb usage

I have a Galaxy Nexus and the adb thingy isn't authorized. I also can't access into bootloader mode because my volume button is spoilt. =/ Is there anyway I can get into bootloader mode?
1
vote
1answer
150 views

how to add a custom lock for the recovery and/or bootloader?

Unlocking the bootloader and/or the recovery is very popular discussion across many devices. But doing so exposes a very obvious and inevitable issue with security! An unlocked recovery means that no ...
-3
votes
1answer
103 views

How does the HTC-Dev bootloader unlock process work?

I've been trying to root a phone. For my purposes, at least for the moment, I think the HTC-Dev way is enough - that it will give me a way to root and that I don't need S-OFF. I have looked at the ...
0
votes
1answer
64 views

how to enter bootloader with moboot in HP Touchpad

I have a HP Touchpad that successfully installed webos and CM9 with moboot to select which to boot. Today, I want to update CM9 to CM10.1 or CM11, and here come the problems: it couldn't install the ...
1
vote
1answer
218 views

Asus ME302KL tablet halts on loading

I have a problem with my Asus MeMO Pad ME302KL It halts on loading screen - Asus logo and loading spinner and loads forever, until the battery goes off completely. Holding the power button for 10 ...
1
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1answer
332 views

Installing stock ROM - at 65% get error assert failed: write_raw_image(“/tmp/oemsbl2.img”, “oemsbl2”) Status(7), Installation Aborted

So, that is the problem. I tried to search at google but no luck, only responses were boot.img, and those are not the same. updater-script: assert(package_extract_file("boot.img", "/tmp/boot.img"), ...
0
votes
1answer
96 views

Internal SD-card hardware erros. Is there a way to move partitions to external sdcard?

I have a device with hardware errors in the internal sd card and want to move /data entirely to the external sd card. I was thinking that it should be possible to create a partition in external ...
2
votes
1answer
74 views

Does upgrading bootloader wipe your data?

I'm about to flash an update to Android 4.4.2 on my Nexus 4, downloaded from Google Developers, and one of the files that it's going to flash is the new bootloader version. I wanted to know if ...
0
votes
1answer
167 views

Acer DA241HL - system reset from bootloader

The Acer DA241HL is a 24" Smart Display which has Android installed but also had HDMI input so you can use it as a second screen for a laptop or similar too. Anyway, I've been able to reboot into the ...
0
votes
0answers
251 views

HTC Desire X stuck on Bootloader

I have an Htc Desire X which i got from a friend of mine which was rooted,i wanted everything to be factory new and installed a ROM which i thought was a stock ROM and to complete the process i did a ...
0
votes
0answers
19 views

The Use of Custom ROM and Unlocking Bootlader [duplicate]

Recently came across an article saying that one of the advantages of the Google Play edition phones is Unlocked Bootloader. Did some research around what unlocking bootloader will generally do, but ...
0
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0answers
74 views

nexus s in bootloader mode does not appear in lsusb

I have a Nexus S, and I'm trying to root it. The bootloader is already unlocked. (I got it from a friend, he unlocked it so I don't know any details on how that was done.) When I start it and plug it ...
0
votes
0answers
263 views

Galaxy S3 Bootloader Problem

I made an effort to unlock the boot-loader on a Verizon Samsung Galaxy S3 (SCH-i535) and it didn't work. I followed these directions to a T. When I got into CWMR, I installed CyanogenMod 10.2 and ...
0
votes
2answers
592 views

ADB can discover devices but not fastboot

I've searched on the web about this problem and it's usually solved by installing the appropriate drivers. Problem is I'm on a Mac. When I plug in my device, it can be discovered when I run adb ...
0
votes
0answers
140 views

Reflash 1st Gen Kindle Fire Bootloader?

I rooted my Kindle Fire and flashed TWRP, FireFireFire, and AOKP, and it's been working fine for a while. Recently, however, there have been strange problems with the bootloader. It has gotten to the ...
0
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0answers
184 views

What does “Recovery” means in Bootloader screen?

I tried to perform Factory Reset, and I got one option there "Recovery". So what exactly recovery means? click for larger image
0
votes
1answer
240 views

where does default setting for Command Line Switches is set in kernel source code in android

My android device is quad-core . But during booting only 2 cores are up . CPU_HOTPLUG is enabled . In dumpstate i found : maxcpus=2 in command Line options. I wanted to make this maxcpus=4 . I have ...
0
votes
1answer
290 views

How to install ROM when bootloader is not unlocked?

Accidentally, on stock recovery, I selected wipe data/factory reset which could have uninstalled the ROM on it. So, now my mobile is showing company logo only. My mobile HTC Inspire A9192's ...
1
vote
0answers
977 views

How do I fix my NATPC M010SE (Allwinner A13) touchscreen/WiFi/camera?

My tablet wasn't booting at all but my dad managed to install this firmware update, now the touchscreen doesn't work, or the WiFi, or the (front) camera. Any help? I've tried installing some TS ...
0
votes
0answers
221 views

Uboot image as android recovery image

Is it possible to write uboot image to the image where recovery image is located? My recovery image was hidden so I had a hard time locating what's it's partition : recovery partition does not seems ...
1
vote
1answer
224 views

FireFireFire Kindle Fire stuck in strange bootloop

I have a Kindle Fire (1st gen) using the FireFireFire bootloader to boot TWRP and AOKP. It has worked fine for a while before. Now, I cannot turn it on when it is not plugged in. When it is plugged ...
0
votes
0answers
709 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 ...
5
votes
1answer
797 views

How can I unlock the boot loader on a HTC Magic?

After a lot of unsuccessful days trying to root my Android phone, I'll now post my problem here with every approach I already did. Maybe someone can help me. I am trying to unlock the boot loader on a ...
0
votes
0answers
233 views

What can I load from Android system recovery <3e>?

TL;DR: Can you load an OS image or new bootloader or anything useful from the recovery menu's "apply update from external storage" option? My 10" Toshiba Thrive AT100 stopped working a while ago. ...
1
vote
1answer
510 views

Droid 2/R2-D2 Can't Load Beyond Bootloader

I picked up a DROID R2-D2 from a coworker who has given up on the device. Knowing I like to tinker with these things, she offered me the phone in whatever condition I can muster from it. A few weeks ...
0
votes
0answers
39 views

Problems Unlocking Bootloader Of Atrix 4G

I wanted to try out CM7 and was following the instructions on this page: http://wiki.cyanogenmod.org/w/Install_CM_for_olympus . The bootloader unlocking process failed according to RSDLite and now I ...
1
vote
2answers
616 views

Can't Factory Reset HTC Desire C

I tried unlocking the bootloader (which I apparently succeeded at.) I then tried rooting it, which I failed at. I just want to reset the phone back to factory settings but when I try to do a factory ...
4
votes
1answer
3k views

Can I lock the Nexus 4/7 bootloader after flashing a non-stock ROM?

I know that doing a fastboot oem unlock will both unlock the bootloader and wipe the data on the device. Unfortunately, while this allows me to install a non-stock ROM like Cyanogenmod, my ...
1
vote
1answer
859 views

What does unlocking the bootloader do?

My understanding is that a boot loader is like a BIOS in a PC, which will help a device to load the OS correctly. When I unlock the bootloader in an Android device, does this modify the complete ...
0
votes
2answers
7k views

How to put a ROM on read-only /sdcard, while adb shell not working (HTC One X)

I've been searching my _ off for two days now to find a solution for my problem, but I can't find one working for me. What I do have right now: NO working ROM (I believe because of a failed atempt ...
5
votes
1answer
4k views

what is a bootloader unlocked phone?

What is a bootloader unlocked phone? How we can make use of it while creating or flashing ROMs? What are advantages of unlocked bootloaders over locked bootloaders? Why does not any OEM generally ...
1
vote
2answers
5k views

Disable splashscreen - BOOTLOGO disabled

First off all I must start by saying that I am not an Android Expert. I Have some android TV box ( not a phone ) which is of some unknown third party chinese vendor . it is already rooted . I need ...