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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9
votes
1answer
1k views

What is the difference between aboot and boot?

I'm looking through my device and I noticed within /dev/block/platform/msm_sdcc.1/by-name that there is boot and aboot partitions. What is the difference between them? Mainly what is aboot?
0
votes
1answer
228 views

Samsung Galaxy 2 stuck at start up. Can I recovery the phone or at least the data?

My Samsung Galaxy 2 stuck every time when start up. It looks ok on the beginning, it shows "Samsung Galaxy S II ..." then change display to Vodafone logo then the shows word "samsung" and stuck here ...
0
votes
1answer
2k views

GT-I9001 (galaxy S plus) not recognized in Windows 8.1

I installed the ClockworkMod Recovery v6.0.1.4 and tried to install a cyanogen mod on my Galaxy S plus (GT-I9001), but now my phone is stuck in a reboot-loop where the OS doesn't start and I just come ...
0
votes
1answer
355 views

HTC rhyme shows LOCKED when I turn it on

When I turn my HTC Rhyme phone, it just shows A page that's written ***LOCKED*** at the top and has three android icons at the bottom and have some menu items as below: Bootloader Reboot ...
0
votes
1answer
8k views

Can't get in recovery or normal boot HTC One M7

Please help me. I've done something really stupid. I flashed from ClockWorkMod to Android Revolution HD on my HTC One m7. I've got ClockWorkMod Recovery installed and when flashing was done i got ...
0
votes
1answer
11k 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 ...
1
vote
1answer
293 views

Trouble understanding this Cyanogenmod PSA

I've been using Cyanogenmod for over a year now, with my own modifications to the dalvik VM. I have teamwin recovery installed on my Samsung Galaxy S3, which I use to install new builds of ...
1
vote
2answers
736 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
699 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
vote
0answers
2k 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
vote
0answers
208 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
votes
0answers
433 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
245 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
732 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 ...
1
vote
0answers
4k 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 ...
3
votes
1answer
3k 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
1k 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 ...
2
votes
1answer
2k views

Strange chinese menu on Lenovo IdeaTab S6000

Context I just Skyped with my mother (far away) because her Android tablet (Lenovo IdeaTab S6000, running on Android 4.2) showed a strange menu with Chinese characters, almost like a bootloader. My ...
-1
votes
2answers
78 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
483 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
82 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
321 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?
3
votes
3answers
6k 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
739 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
272 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
3k 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
vote
1answer
1k 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
210 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
433 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 ...
1
vote
1answer
1k 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
405 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 ...
17
votes
5answers
36k 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
340 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
votes
1answer
717 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
652 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
2k 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 ...
1
vote
1answer
385 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
945 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
1k 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 ...
1
vote
1answer
768 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 ...
2
votes
2answers
1k 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 ...
5
votes
1answer
5k 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 ...
2
votes
1answer
1k 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
13k 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
6k 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 ...
2
votes
1answer
12k 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 ...
-1
votes
1answer
782 views

What is the method to debug Android kernel from booting in tablet?

I have to test a custom Android build on a tablet and I need to know the method to debug the Android kernel from booting in the tablet? The tablet has only a screen, 2 USB ports and an HDMI port.
2
votes
2answers
801 views

Will bootloader unlocking provide access to all the apps in the Play Store?

My flyer doesn't allow few apps to be installed from the Play Store as it shows "This app is not compatible with your device" and this incompatibility is not due to OS. If I get the apk of this app ...
1
vote
2answers
6k views

Booting to recovery

I have Xperia mini pro (4.1.B.0.587 Stock ram), and my bootloader is unlocked. But I could not boot to recovery mode by pulsing volume down button. I press it after phnoe shakes and before displaying ...
0
votes
1answer
204 views

Atrix 4G update via OTA with unlocked bootloader?

I am running 4.5.91 currently on a rooted and unlocked Atrix. Will I brick my phone by updating to 4.5.141 from OTA source? Can I re-lock the boot-loader if that is the issue?