for questions on the bootloader, which is kind of "BIOS mode" on Android devices

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2
votes
1answer
1k views

Fastboot oem get_identifier_token - FAILED (remote: unknown command)

Hello Everyone! I am trying yo unlock the bootloader with no success. Basically, the following command Code: Fastboot oem get_identifier_token is hitting the error of: FAILED (remote: unknown ...
2
votes
1answer
44k 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
527 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 ...
2
votes
1answer
13k 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 ...
2
votes
1answer
17k views

Upgrading hboot fails: signature verify fail

My Goal http://forum.xda-developers.com/showthread.php?t=1762790 Putting jelly bean on nexus one My Problem Upgrading hboot I'm just following everything step by step (link) $ fastboot flash ...
2
votes
1answer
835 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, ...
2
votes
1answer
612 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 ...
2
votes
1answer
1k views

How can I go back to ICS after JB OTA updates?

My phone is HTC One S VelliC2 and received the JB OTA updates. However, I could not get used to it. So how can I return to ICS? Can I use the HTC Android 4.03 RUU file? Now the Hboot version has ...
2
votes
1answer
4k views

Android tablet won't reboot after rebooting using volume and power buttons

I am using a 7" Smartfren tablet called S7. I was following this tutorial. When I got the last part about the bootloader, I turned my device off. I tried to reboot using the volume buttons and power ...
2
votes
1answer
2k views

Root hboot 2.18.0001 without computer (HTC EVO 4G)

My EVO 4G's charging port is broken and I am trying to gain root access on my device. Is there anyway to do so without using the USB port to connect to the computer?
2
votes
1answer
15k views

Galaxy s2 will not boot, wrong bootloader

My Samsung Galaxy S2 GT-I1900 won't boot. I tried to update to ICS with Kies which crashed, wherefore I unplugged the USB to start over. Now my phone had no OS, and wouldn't respond to Kies anymore. ...
2
votes
0answers
71 views

su fails: “wget: bad address 'static.zhiqupk.com'” and unable to unlock bootloader

A friend of mine bought a used Samsung Galaxy S6 or at least we thought so, but it looks that it might be a chinese phone. After wiping all data/cache, the phone still had a lot porn/advertisement ...
2
votes
0answers
104 views

How does encrypting a bootloader prevent it from being unlocked

As I'm waiting patiently (sigh) for the at&t note 4 root, I have been trying to understand the process of rooting. This website does a good job of describing what a locked/unlocked bootloader is, ...
2
votes
0answers
658 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
0answers
90 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 ...
2
votes
0answers
1k 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 ...
2
votes
0answers
198 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 ...
2
votes
0answers
5k 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 ...
2
votes
0answers
550 views

How can I see bootloader stdout debugging messages?

I'm trying to understand the mechanisms of the Android bootloader. The source code for this is here: ...
2
votes
0answers
2k views

Installing Android using only fastboot on HTC Vision

I lost my system somehow. My phone turned off and reboots during starting up. I'm only able to go to hboot (fastboot/recovery etc.) on my phone, and I'm unable to run Android system. I have tried ...
2
votes
3answers
6k 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 ...
1
vote
1answer
9k views

What exactly are DRM keys?

I was thinking of unlocking my ST17i's bootloader but I saw on the Sony Mobile website that unlocking the bootloader will result to the deletion of DRM keys from my phone. What exactly are they? And ...
1
vote
2answers
3k 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 ...
1
vote
1answer
278 views

Nexus One stuck in loading screen - How to save application data? (ROOTED)

I have my N1 rooted and after I installed BlackRose and change the partitions with password protection I wasn't able to start Android ever again. It show this screen: I can access to the adb shell, ...
1
vote
1answer
650 views

HTC One M8 doesn't boot up completely after Lollipop update

How can I get my M8 to boot up again? It freezes at the white screen where it says htc. Some background: To run the software update on my rooted M8 I had to put stock recovery back on it. I did ...
1
vote
1answer
4k 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
379 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
1answer
816 views

How to Install our android image in laptop ? How to make android boot-able image for laptop?

I have Android Source Code image and i want to install it on Laptop . I want to know how we made bootable image for laptop with android image. What I have to do so that laptop detect the android ...
1
vote
1answer
1k views

Unlocking the Bootloader on a Nexus One with S-On

I'm interested in rooting my (Very recently bought) nexus one, and installing Cyanogenmod over Fastboot. However, on the boot screen of my device I've noticed the first line tells me that security is ...
1
vote
1answer
52 views

Fastboot doesn't see nexus 6p

Currently trying to unlock my bootloader, but cannot get my nexus 6p to determine that it's connected to my PC. I can use adb commands while it's on, but booting it into fastboot mode with the adb ...
1
vote
1answer
357 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
vote
1answer
1k 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 ...
1
vote
2answers
755 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 ...
1
vote
1answer
4k 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
427 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 ...
1
vote
1answer
817 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 ...
1
vote
2answers
7k 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 ...
1
vote
1answer
804 views

Is the setting OFF/ON of the security flag different from enabling/disabling of fastboot?

I am following the book XDA Developers Android Hackers Toolkit 2012. In the beginning chapters , it says that : The second-stage bootloader checks to see if the security flag is on (S-ON) or off ...
1
vote
1answer
202 views

Why is my Kyocera Echo taking 6 minutes to boot?

I have a Kyocera Echo that now takes about 6 minutes to boot. I haven't rooted it or tried to perform any 'hacks' on it. I've had it for a few months now. It's running Android 2.3 if that helps. I am ...
1
vote
0answers
19 views

Can't recover Nexus 5 from bootloop

Hey I am trying to get my Nexus 5 working again. I really need someone to help me troubleshoot this. One day I noticed my phone was off after about half an hour from being fully charged. It wouldn't ...
1
vote
1answer
152 views

Volume buttons not working in fastboot mode (LG Leon H320)

I'm trying to unlock the bootloader on my LG Leon (running on Android 5.0.1 Lollipop). I've followed SO many online tutorials, and most come down to one and the same problem: First I create a backup ...
1
vote
1answer
113 views

Device boots normally, but cannot enter recovery or fastboot

I have secondhand Vodafone Smart Tab 4G. It seems to me that previous owner messed something up. The device boots normally but I cannot enter either bootloader, fastboot, or recovery. I have tried HW ...
1
vote
0answers
44 views

Bricked Nexus 7, USB Not being recognised at all

My Nexus 7 all of a sudden stopped sending data through usb OTG and i tried to erase cache through TRWP but ended up deleting the OS. Now I am stuck with a device with no OS. I cannot mount the USB ...
1
vote
0answers
54 views

Keyboard settings crashes at post-reset setup, can't access phone

I rooted my device and everything went fine (Kingo Root automatic app). Some time after making my first steps into the rooted device, I tried a "Reboot menu" widget, a window with options popped out ...
1
vote
0answers
401 views

How to reset phone (DROID TURBO) system settings without factory reboot? System UI has stopped working

So, a little bit of background. The worst part about this is that I'm pretty confident I know how to fix it, but I don't know how to go about doing the thing I need to do to fix it. Bear with me a ...
1
vote
0answers
174 views

Unable to flash boot.img in htc one v

I'm trying to install a new rom in my HTC one V. I could successfully do everything with my one V until I upgraded my windows 7 to windows 10. I already have CWM recovery. USB debugging is ON . I try ...
1
vote
1answer
283 views

Flashed wrong recovery on a QTAB with no bootloader or fastboot. What can I do?

Hey guys I was just tinkering, and it was stupid of me not to take a backup of any kind. Anyway, QTAB doesn't have a bootloader or fastboot menu. When I try adb reboot bootloader or fastboot, it goes ...
1
vote
1answer
266 views

Relock Y300 Bootloader

I have hauwei Y300-0100. I unlocked Bootloader Of My phone before for root it. Now i want to flash my phone with stock rom but i cant. I tried to lock my phone with fastboot but i gave an error: I ...
1
vote
1answer
104 views

Process List of Charging Powered Off Device

Is there any way to access or log the process list when the phone is off, but plugged into my computer charging? I'd like to see what system processes are running when the phone is connected to a ...
1
vote
0answers
909 views

Moto G XT1039: Random reboots to bootloader with “failed to initialize partition table” message

I have a Moto G 4g (peregrine XT1039), which in every one or two days reboots to bootloader with "Fastboot reason: failed to initialize partition table", see Image(1). In Image(2), you can also see ...