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

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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 ...
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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 ...
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1answer
788 views

How to install ROM when bootloader is not unlocked?

Accidentally, on stock recovery, I selected wipe data/factory reset which could have uninstalled the ROM on it. So, now my mobile is showing company logo only. My mobile HTC Inspire A9192's ...
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1answer
206 views

Atrix 4G update via OTA with unlocked bootloader?

I am running 4.5.91 currently on a rooted and unlocked Atrix. Will I brick my phone by updating to 4.5.141 from OTA source? Can I re-lock the boot-loader if that is the issue?
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0answers
49 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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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. ...
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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 ...
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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 ...
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0answers
409 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 ...
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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 ...
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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) ...
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1answer
528 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 ...
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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!
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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...
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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: ...
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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 ...
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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 ...
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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 ...
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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
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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 ...
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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 ...
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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 ...
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1answer
446 views

Tethering with locked boot loader

A recent OTA update to KitKat removed the ability to tether my phone. I feel very frustrated by this bait and switch since I bought the phone for its ability to tether. The workaround is apparently to ...
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1answer
795 views

unlock Xperia Neo bootloader on linux

I was following these instructions to unlock the bootloader on my Sony Ericsson Xperia Neo until I reached steps 9 and 10. There was no extras/google directory or android_winusb.inf file anywhere. ...
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0answers
13k views

**FAILED (remote: 12 signature verify fail)** HTC One M7

C:\xxx>fastboot flash recovery c:\recovery.img sending 'recovery' (10336 KB)... OKAY [ 1.988s] writing 'recovery'... (bootloader) signature checking... **FAILED (remote: 12 signature verify ...
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0answers
931 views

SE BOOTLOADER v1.6 Problem (FAILED:phone is already unlocked)

I tried to unlock my bootloader with SE BOOTLOADER TOOL but get the message: (bootloader) Unlock phone requested FAILED (remote: Phone is already unlocked!) finished. total time: 0.002s What ...
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1answer
2k views

Error in unlocking bootloader in xperia ray with testpoint method

I was following guide to unlock my bootloader while preserving DRM data. http://androidflip.com/unlock-xperia-phones-bootloader-without-losing-drm-data-track-id-working/ Everything went fine except ...
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0answers
2k views

SE x10 will no longer boot

I am wondering if anyone can help me with my situation. I was using JAF 2.3.7 Rom for about 3 months with no issues. After installing Prey as well as Dropbox (only 2 new apps) the phone started to ...
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votes
1answer
1k views

Can I lock android phone to one network if it is unlocked?

Can I lock android phone to one network? If can be unlocked if I have both lock and unlock code? I want to lock my android phone to use only one network.
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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
-1
votes
0answers
41 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 ...
-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. ...
-1
votes
1answer
255 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. ...
-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 ...
-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 ...
-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 ...