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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8 views

Can I mod my phone with bootloader locked?

I have a Motorola Defy ('jordan') that I have just recently rooted. I would like to add a mod to it though as it is running on Android froyo still but my bootloader is locked so i'm not very sure how ...
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11 views

Android: Green bar in bootloader

I tried to run the command fastboot flash recovery recoverym.img using cmd but I've got some problem. First, a green bar (progress about 90%) was shown on the top right corner of my bootloader. ...
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1answer
27 views

Does CyanogenMod Installer create a recovery image?

I'm looking at installing CyanogenMod onto my Galaxy S3 (i9300) and the CyanogenMod Installer looks to be the easiest way to do this. However I would like to get an image of my phone before I attempt ...
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1answer
22 views

Does encryption, factory reset, encryption make a safer used phone?

I recently purchased a used Moto X. I know the person I bought it from so I'm not terribly worried but here is my idea to shore up the security on a used device. Don't put in your SIM card or log ...
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1answer
77 views

Mediatek-res.apk causing bootloop

Right, so I've been an absolute idiot and I uninstalled mediatek-res.apk. I was probably very tired and I was stupid enough to forget to make a backup in recovery. The phone is a Chinese clone (Jiake ...
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0answers
4 views

Can't get into the bootloader in H9500 (zp900 unbranded)

Anyone knows how to get into the bootloader in H9500 (zp900 unbranded)? I tried adb reboot-bootloader but it just restarts the phone. No bootloader :(
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1answer
58 views

Does having CWM mean bootloader is unlocked?

I flashed CWM using Rom Manager. Does this mean that my Galaxy S4 bootloader is unlocked? I'm using Samsung Galaxy S4 (SGH-I337M) (Canadian Telus)
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0answers
47 views

Is it possible to unlock bootloader in Ainol NOVO7 Fire?

My device is Ainol NOVO7 Fire 20130506.tm.v5. I can't bring the device to bootloader menu (and fastboot mode as well): $ adb reboot bootloader leads to reboot to normal mode. 'Vol-' + 'Power' ...
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0answers
28 views

Xperia Miro fastboot wont work

I've been following the official sony's unlockbootloader tutorial and I'm stuck on a problem that I cant seem to fix. To use my unlock code, I have to Turn off the device Connect the usb cable ...
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0answers
71 views

I can't unlock bootloader on Nexus 7 (2013)

Process reaches the stage of Erasing userdata add stops. I was waiting for 1 hour but nothing changes.
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0answers
72 views

How to flash Android onto an empty Samsung GT-P3100 (OMAP4430)

I'm about to purchase a replacement motherboard for a Samsung Galaxy Tab 2 7.0 (GT-P3100) as the original one has developed a hardware fault. Unfortunately the sellers (eBay) won't say if Android (or ...
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0answers
102 views

How to detect if bootloader is unlocked when fastboot doesn't work?

I have this tablet that runs on RK3168 (Rockchip) SoC. The problem is that fastboot doesn't recognize the device, but after so much toil, I managed to find Finless' flashing tool and flashed CM ...
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0answers
59 views

Understanding the android boot

I really want to run pure linux on my android based device (please, no chroot, etc. suggestions) and I want to fully understand how my device boots, from the bootloader as far as the init system. I'm ...
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1answer
150 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 ...
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0answers
6 views

Serious doubt regarding rooting my Samsung Galaxy Note II [duplicate]

I went through some tutorials for rooting my Note II(GT-N7100-International version), and i could find people saying that bootloader unlocking is needed. I am not sure what bootloader unlocking is. ...
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0answers
19 views

Question about recovery and bootloader

I have following question about recovery and bootloader 1)How locked bootloader block custom rom to be updated via recovery? 2)As package verification code is in recovery then why we need to unlock ...
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0answers
182 views

adb/fastboot can't find device in bootloader, but they can do it when booted

I have worked on building Android from source code for few weeks. It used to be fine to me with my Galaxy Nexus, I can connect to my device via adb and fastboot and flash either the factory ROM or ROM ...
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1answer
96 views

Help to understand working of powerbutton and volume rockers

I want to understand the workings of power button and volume rockers in Android devices, which are associated with the kernel driver of these keys. What happens in the kernel driver and boot loader ...
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0answers
33 views

Does unlocking the bootloader pose any carrier/network related risk?

I'm on Motorola's website, reading over risks and warnings related to unlocking the bootloader, two of which peaked my concern: You may lose some key functions like telephone, radio, and audio ...
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1answer
7k views

How to check if bootloader is unlocked?

I'm about to flash a custom recovery, but I'm not sure if my bootloader is unlocked or not (phone is rooted, but I did it a while ago, so I can't remember the process I took), and I don't want to do ...
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0answers
388 views

Blank screen after logo

I was trying to install a custom ROM in a THL T11 from needrom.com. I managed to get into the recovery mode and wipe cache. However, I got somehow into the «ADB» menu and couldn't get out. I pulled ...
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0answers
18 views

Android hangs on boot image after changing boot loader [duplicate]

I changed the bootimage of an Android device and it bricked. It's freezing at the boot image. I try to install a ROM using fastboot but I have a permission error. I try to connect with adb but I ...
6
votes
1answer
248 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?
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47 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 ...
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1answer
862 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 ...
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0answers
140 views

EFI-mode boot loader for Android

I have thinkpad tablet 2 which boots only UEFI 32bit OS I wonder if there is any EFI-mode boot loader for Android which will load Android X86 or any other android distribution on my tablet Tried: 1. ...
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0answers
19 views

Bootloader has crashed, no any boot or even black screen

I installed the bootloader unlocker of g300 on my huawei p1. But now my phone doesn't even show any boot signs. I need help please..?
0
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1answer
60 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
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1answer
3k 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
260 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
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1answer
131 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
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2answers
357 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
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1answer
274 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
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0answers
427 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 ...
0
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0answers
130 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
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0answers
85 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
158 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
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1answer
100 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
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0answers
382 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
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0answers
2k 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
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1answer
1k 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
427 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
515 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
2answers
43 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
305 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
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1answer
65 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?
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0answers
199 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
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1answer
1k 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 ...
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votes
1answer
258 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
127 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 ...