Some bootloaders are locked by the manufactures to prevent the phones from booting unofficial firmware images.

learn more… | top users | synonyms (1)

-1
votes
0answers
40 views

How to install custom rom in Iris Fuel 50

I have Lava Iris Fuel 50. I want to unlock boot loader / flash custom recovery / root my phone / install cyanogen. I have tried most of the rooting tool - kingoroot, root master, android SDK tool ...
0
votes
0answers
48 views

How to enable Android Marshmallow multiwindow without unlocking or ROOT

I upgraded my Nexus 9 to Android 6 and I want to enable the multitasking feature. But it requires unlocking the bootloader. I have the latest updates installed and I am using stock ROM. Enabling ...
-1
votes
1answer
38 views

Cannot unlock bootloader of my OnePlus 2 with oem unlock

I want to flash my OnePlus 2, as it's stuck on the boot logo. For this, I first need to unlock the bootloader, but I can't: the adb command tells me I have to check "oem unlock" in the phone settings. ...
0
votes
0answers
12 views

Unlock bootloader Droid Razr HD

I am trying to unlock boot loader on the droid Razr hd with Motopocolypse, but the program seems as though it freezes as soon as it starts. I have all the Motorola drivers from ...
0
votes
0answers
39 views

HTC One mini HTCdev Unlock Bootloader won't unlock in the last step

After not using my HTC One mini for quite a while, I now want to use it again. However when I turn it on, it shows a locked bootloader. So I singed up on HTCdev to unlock it and went through every ...
0
votes
1answer
70 views

Backup/flash system and data without unlocking bootloader?

I was wondering if I can make a full backup of my system partition via fastboot or adb and re-apply the backup to a different phone of the exact same model? Or is this only possible if the bootloader ...
0
votes
0answers
24 views

Unlock bootloader on cm12

I'm now having a Samsung Galaxy Superior (GT-I9260) running on cm12.1 downloaded from the cm website. I want to flash it to kali linux now, and it tells me to unlock the bootloader first. After doing ...
3
votes
1answer
182 views

How to re-unlock bootloader for OnePlus One

I have OnePlus One with CyanogenMod 12 from factory and I decided to update to CM 13 (nightly build). To achieve this I did the following from OSX: Unlock the bootloader (fastboot oem unlock) Boot ...
2
votes
0answers
133 views

Any chance to unbrick relocked HTC One M7 with S-on and a old copy of the RUU.zip

Background After 1 year of use, the most recent OTA to my HTC One rendered several key features, including the notification bar and the home and back buttons, unusable , effectively soft-bricking ...
0
votes
0answers
14 views

Unsuccessful unlock prevents data wipe

My phone is in a difficult state right now: Can't boot normally (tries to complete unlock). Can't make use of adb (because it is not fully unlocked or locked yet). All I can seemingly get to is the ...
5
votes
1answer
99 views

Android Nexus 6 Bricked? TeamWin splash screen turns on and off

I think I've bricked my Nexus 6. Every time I turn it on, the teamwin (TWRP) splash screen keeps literally flashing on and off. I would be able to flash a stock system on but I can't due to the fact ...
4
votes
1answer
78 views

Why does unlocking bootloader affect camera quality on some devices?

Sony announced it officially that unlocking bootloader, since it will remove DRM keys, might affect camera quality. For high-end devices running recent software versions, for instance Xperia Z3, ...
0
votes
1answer
1k views

How to install Nexus 6 / 5X / 6P Drivers in Windows 7 properly where fastboot can see it?

I have the Nexus 5X drivers installed properly on Win7 64bit and it shows up in my device manager as Nexus 5x. I can verify that it gets detected as I see it in chrome inspect page. But when i try to ...
0
votes
1answer
59 views

What can happen when you flash a bootlocked device?

This will probably not be done in practice, but I like hypotheticals. I believe that when you flash a custom recovery on a bootlocked device the stock recovery will just be flashed back on reboot. ...
0
votes
1answer
43 views

Willl unlocking my Bootloader delete my OS

I have decided to install Cyanogen Mod Android 5.1.1 onto my Xperia SP[C5302]. I am about to unlock the bootloader(the first step). I have followed the steps and downloaded Android SDK(downloaded ...
-1
votes
1answer
253 views

How to unlock the bootloader of Samsung Galaxy Ace3

Please i have been searching the whole internet, but can't get the answer to my question. How can I unluck the the bootloader of my Samsung Galaxy Ace3 Duos. Please any help will be appreciated. ...
0
votes
0answers
366 views

How to unlock bootloader in HTC Desire 816G

I have downloaded the CM12 for my mobile and i want to unlock the bootloader in my device to flash it.. I tried the HTC DEV and it didnt work.(couldnt get the token pass from device with cmd) Can ...
1
vote
0answers
1k views

How to check if bootloader is unlocked mediatek device

My Device: Rooted Karbonn A52+ Android 4.2.2 (Stock ROM) | MTK6572 CPU Hi friends, I was recently able to flash Clockwork Mod Custom Recovery followed by a Custom ROM flash from the recovery (though ...
0
votes
0answers
35 views

How to use a Motorola Titanium without a sim card?

I have received (years ago...) from a customer a Motorola Titanium (with a screen reporting that it comes from Avantel) and I recently removed the sim card that was in it. I realize now that the ...
0
votes
0answers
408 views

Unlock Galaxy S5 - freez at: downloading do not turn off target

Before everything I request do not link to irrelevant questions such as this. What I want to do: I want to install Ubuntu Touch on samsung galaxy S5. I use ubuntu on my laptop. What I have done: I ...
1
vote
1answer
256 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 ...
0
votes
1answer
198 views

Should I re-lock bootloader after flashing developer preview on nexus 5?

I have flashed the Android M developer preview 3 on my Nexus 5 phone, for which I was required to unlock the bootloader. Now that the flashing has completed successfully, should I re-lock my ...
0
votes
0answers
54 views

Unlocking Bootloader on Motorola ET1

I would like to unlock the bootloader on my Motorola ET1, but I have a problem: once I restart the device in the bootloader, it is not recognized by my computer (fastboot devices doesn't detect it) ...
0
votes
1answer
526 views

How to set up BIOS-like password on Android device? [duplicate]

Setting a screen lock password or SIM pin or both is fine for securing some aspects of your mobile device. But what if, as a nasty joke, someone manages to grab a hold of your device and hits the ...
0
votes
0answers
179 views

Unlock Bootloader on RCA tablet

There is many phones out there that can have their bootloaders unlocked. I'm wondering if you can unlock the bootloader on a rca tablet. Any help will be appreciated!
1
vote
0answers
136 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
0answers
170 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...
1
vote
1answer
112 views

Nexus 4 screen got hung until battery drained and on restart stuck on flying dots

I have nexus 4 with lollypop installed on it. Yesterday while operating its screen just went to hung state and stopped responding. I could not even power off the phone. Therefore, I let the phone to ...
2
votes
2answers
621 views

Can JFLTE Lollipop ROM be installed on the Verizon Galaxy S4 SCH-i545 with ME7 baseband?

I have a rooted Verizon Galaxy S4 SCH-i545 (edit: NOT GT-i9505) updated to the ME7 baseband version. I would like to upgrade to this Lollipop ROM, which appears to be designed for the GT-i9505, but I ...
0
votes
0answers
406 views

Trying to unlock bootloader using fastboot under Ubuntu

I have a HTC Desire 616 and am following this guide to unlock my bootloader. Fastboot can see my device: sudo fastboot devices E6S4YH6PDUJNBYMJ fastboot However, running this does nothing: ...
0
votes
1answer
699 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
0answers
8 views

Is it possible to unlock the Motorola moto g KXB21.14-L1.41 without official unlock code? [duplicate]

The motorola website for unlocking your boot loader tells me that there are no unlock codes for my phone. Does this mean that this phone cannot be rooted? I refuse to accept that. There must be a way ...
0
votes
0answers
228 views

“Locking” a Samsung Bootloader

In order to prevent cold-boot attacks against an encrypted Android filesystem, it has been recommended to keep your bootloader locked at all times with the original factory recovery installed. The ...
1
vote
2answers
2k views

How to do a factory reset when recovery mode, usb debugging and factory reset don't work?

I have a device called "EXEQ SET": http://www.exeq.ru/produkcija/pristavki/os-android/set.html It runs Android 4.1.1. It is spitting out errors like this every other second, making the device almost ...
0
votes
0answers
268 views

Htc stuck on bootlogo. S-on ,boot loader relocked. Cwm installed

My sisters htc desire is stuck in htc logo then a blue screen and then back at htc logo. Can't find a vodafone uk ruu. Hboot shows RELOCKED. and S-on.Any help please
5
votes
2answers
10k 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 ...
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
3answers
6k views

Will a Factory Reset lock my phone (Samsung Galaxy S2) if it is unlocked, but factory locked?

I know that formatting the SD card will not lock my phone again. But if I Factory Reset my phone, will it re-lock the phone or not?
0
votes
1answer
5k views

Bootloader unlocked [duplicate]

Rooted samsung galaxy s4 using odin& CF Auto root. Then flashed CWM using rom manager. Now I can go to CWM recovery mode (using power+volume up+ home) . I can get NAndroid backup. Does this mean ...
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 ...
-1
votes
1answer
1k views

unlocking bootloader moto g xt1033

I'm trying to root my MOTO G XT1033 DUAL SIM but in the videos I've seen till date it says that you need unlock the boot loader .I saw solution videos to unlock boot loader but all of them says that ...
1
vote
1answer
571 views

Bricked phone due to cut-pasting of apk files

I accidentally cut all the .apk and .odex files from /system/apps/ and pasted onto the SD card instead of copying and pasting them. My phone is totally bricked. Stuck in a boot-loop and factory reset ...
0
votes
1answer
453 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 ...
1
vote
1answer
1k views

Unlocking Bootloader of HTC One X on Windows 8.1 / Linux Ubuntu

How to unlock the bootloader of HTC One X on Windows 8.1? Since I want to install MIUI Rom. When I install the latest version of "HTC Sync Manager", It shows me that the Windows 8.1 is not competible ...
-2
votes
1answer
3k views

Can I flash system.img.ext4 without unlocking bootloader or void KNOX warranty?

I understand that: The secure boot process checks signature of bootloaders, kernel and rootfs, but not /system partition. The Samsung KNOX e-fuse is set to 1 when any signature is bad. Tools such as ...
0
votes
1answer
766 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 ...
0
votes
0answers
1k views

Xperia Z1 Bootloader Unlock Problem

I have been having problems trying to unlock the boot loader on my Z1. I followed the instructions provided by Sony to unlock. I had previously unlocked and relocked the device. However, now when ...
-1
votes
2answers
85 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
526 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 ...
-3
votes
1answer
941 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 ...