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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1answer
2k views

How to upgrade HBOOT from 0.80.0007 to 1.01.0001

I own an HTC Wildfire with HBOOT version 0.80.0007 and S-On. How do I upgrade to HBOOT 1.01.0001? Can anyone give me a nudge in the right direction? I've been racking my brains for the last few days, ...
0
votes
0answers
13 views

Moto G 2014 XT1068 is bricked. Keeps looping and won't boot. What to do?

Ok so here's a couple things about my phone: Its bootloader is unlocked, it is rooted, and it has a custom recovery (TWRP). The problem is, my phone got stuck in the "WARNING, BOOTLOADER IS UNLOCKED" ...
2
votes
0answers
35 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 ...
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 ...
0
votes
1answer
22 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 ...
9
votes
2answers
61k 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 ...
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3answers
3k views

How to re lock bootloader on samsung galaxy s5?

I have Unlocked Rooted Samsung Galaxy S5 recently it has been giving me a lot of issues and I want to send it to Samsung for repair meant. I understand that once you root your device you loose the ...
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0answers
27 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 ...
0
votes
1answer
71 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 ...
1
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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
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0answers
397 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.
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 ...
0
votes
0answers
18 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
1answer
181 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
0answers
45 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
37 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
30 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 ...
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 ...
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vote
1answer
1k views

Can't access Recovery Menu Milestone a853

I'm trying to flash a Cyanogenmod 7.1.5 on my Motorola Milstone A853. I can access the Bootloader (version 90.74) and started RSDLite 5.7 and used a base sbf file, which flashes normally. When I ...
0
votes
2answers
622 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
1answer
21k 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 ...
2
votes
1answer
74 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: ...
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 ...
3
votes
2answers
15k 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 ...
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0answers
49 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...
3
votes
2answers
13k views

How to know whether my Xperia Ray's bootloader is locked or unlocked one

Title says all, but again a bit background I would like to know whether the bootloader on my xperia ray is locked or unlocked one. I bought it from ebay & with seller warranty (or you can say no ...
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
64 views

Unlock Bootloader MTK65xx

Does anybody know how to unlock the bootloader in MTK phones? Thanks in advance! ;)
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 ...
0
votes
1answer
44 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
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
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
148 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
28 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 ...
2
votes
1answer
4k views

How do I unlock the bootloader on my Sony Ericsson Xperia mini pro?

I own a "Sony Ericcson Xperia Mini Pro" (model number SK17i) running Android 2.3.3 (Kernel 2.6.32.8-perf, build number 4.0.A.2.335). It's branded by Orange Austria. I'm looking for a way to root it, ...
0
votes
0answers
77 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, ...
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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
0answers
238 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
620 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
1k 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 ...
0
votes
0answers
178 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?
16
votes
5answers
31k 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
1answer
508 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 ...
1
vote
0answers
828 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 ...
24
votes
2answers
12k views

Why does unlocking the bootloader wipe phone?

I understand that unlocking the bootloader will wipe my Android phone, but have been looking around for why. Seems to be by design, but what is the reasoning for that design? Is it some security ...
1
vote
0answers
4k views

Auto boot when charger connected (for HTC Magic)

I want to let Android OS to boot automatically when the charger connected (for HTC Magic) without pressing power button I found this guide: Complete boot when charging If your phone only gets one ...
0
votes
1answer
305 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

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 ...