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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18 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 ...
6
votes
2answers
22k views

Nexus 5 stuck on “flying color dots lollipop” screen after Hard Factory Reset

I just did a wipe data/factory reset on my Nexus 5. I followed this YouTube tutorial. I'm stuck on the boot screen, which was my problem in the first place, and it's been on the boot screen for 25 ...
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 ...
0
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0answers
1k 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 ...
1
vote
1answer
121 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 ...
0
votes
1answer
142 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
500 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 ...
5
votes
6answers
17k views

Nexus 10 stuck in bootloop after Lollipop flash no ADB and no Fastboot

So .... I flashed the mantaray-lrx21p image from Nexus Factory Images on my Nexus 10 (16GB Wifi) and it's stuck in a bootloop. No problem, I thought, I can get into fastboot and fix it, right? Maybe ...
0
votes
1answer
169 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 ...
3
votes
1answer
39k views

How to check if your 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 went with), and I don't want to ...
0
votes
0answers
114 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 ...
1
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0answers
204 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 ...
0
votes
1answer
194 views

Android Lolipop broke my enyrpted nexus 7 (2012)

I just received the update and now my device does not boot any more. I comes to the point where I have to enter my encryption password. The first time it did this it said: “Unfortunately your ...
-2
votes
1answer
69 views

Can you explain the boot order of an Android device? [duplicate]

I understand a good bit of the ARM system architecture. you have an ARM system on chip containing the CPU, GPU, peripherial devices, baseband processor and both CPU and Radio firmware. Supposedly the ...
0
votes
1answer
83 views

Is it possible to install Android 3.0 on my Android 2.3.6 Huawei m865c?

The title essentially explains my dilemma, but should I be able to, is it possible to install it via my BootLoader?
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votes
0answers
2k views

Extracting code from lk.bin (little kernel binary file) & preloader.bin - MTK6572, mediatek

This is a changed question from the original, since nobody seemed to have answered, found most of the answer on my own. As stated before, wanted to fix my userdata and fat area blocks after hacking ...
0
votes
1answer
2k views

Can I fastboot flash a factory image without flashing the recovery?

Factory Images Using Nexus 9 as an example, the flash-all.bat contains: fastboot flash bootloader bootloader-flounder-3.43.0.0114.img fastboot reboot-bootloader ping -n 5 127.0.0.1 >nul fastboot ...
1
vote
1answer
52 views

I don't have the right HBOOT version, can I still install Cyangenmod?

I ran adb reboot bootloader on my HTC Sensation XE and it states that the version is 1.29.0000 According to the wiki I must have version 1.17.0006, .0008, .0011 and .0012, 1.18.0000?
0
votes
0answers
564 views

Tablet listed under adb devices, but not under lsusb while in recovery

I am working with a Gemini devices GEM1000 tablet, I have performed all the steps to get adb working, and the device shows up under 'adb devices' so I go to the bootloader with 'adb reboot bootloader' ...
0
votes
2answers
901 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 ...
2
votes
0answers
128 views

Nexus 7 2013 crashes when in boot loader. How do I flash a new image to it?

I have a Nexus 7 2013 which I'm trying to flash the Android Lollipop preview image to. It's currently running the last Android L preview image. Whenever I boot the device to the bootloader screen ...
0
votes
1answer
68 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 ...
0
votes
0answers
362 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
160 views

Nexus 7 wont appear on my PC in the bootloader, semi bricked

So I tried to root my nexus 7. I realized I done screwed up. However, when I looked for my SuperSU installed file in TWRP, I forgot to install it before hand, when I was at my bootloader, or before ...
2
votes
0answers
520 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, ...
0
votes
0answers
494 views

Unlock bootloader for Lenovo A1000-T

How did you go into fastboot mode? I am not able to figure out. adb reboot bootloader adb reboot-bootloader adb reboot fastboot None of them worked, However adb reboot recovery opens it in ...
8
votes
2answers
59k 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 ...
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 ...
3
votes
2answers
14k views

How Can I Pass Bootloader (Huawei Y200 stuck logo/ Boot-Loop)

I have recently learnt a few things about Android and its system. I have a Huawei Ascend Y200, and I flashed it with ClockworkMod specifically for Y200 with a computer and it worked. I rooted my ...
0
votes
0answers
1k views

How do I unlock bootloader on motorola droid razr XT907?

I am able to use the phone on US GSM network but would now like to unlock the bootloader and also root and maybe even flash. I am new to all of this and learning as I go. Thanks in advance!
0
votes
1answer
35 views

What is the minimum number of modifications in order to install a custom ROM?

I am planning to upgrade my wife's Galaxy Ace II from 4.1.2 (the latest official firmware offered by Samsung, installed via Kies) to 4.4.4, which is available via http://novafusion.pl/downloads/ as ...
0
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0answers
33 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. ...
0
votes
1answer
417 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)
1
vote
1answer
234 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 ...
-1
votes
2answers
73 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
1
vote
1answer
823 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 ...
0
votes
0answers
29 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 :(
1
vote
0answers
657 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
133 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' ...
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
0answers
197 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 ...
0
votes
0answers
407 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.
1
vote
0answers
334 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 ...
1
vote
0answers
1k 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 ...
1
vote
0answers
126 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 ...
0
votes
0answers
7 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. ...
0
votes
0answers
33 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 ...
3
votes
1answer
11k 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
245 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 ...
0
votes
0answers
858 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 ...