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

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29 views

Note 4 verizon with an unlocked boot loader boot loop

I just managed to get my Note 4's bootloader unlocked and installed TWRP, but I didn't take a backup before flashing SuperSU and, as luck would have it, got into a bootloop. I have tried factory ...
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0answers
44 views

Nexus 9, no recovery, no USB debugging, OEM locked in Settings

I've got a pretty complex problem. At the moment: Nexus 9 WiFi Tablet, USB Debugging not enabled Normal Startup: Android laying on the floor Startup with Power+Volume Down: Fastboot Bootloader ...
0
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0answers
97 views

Is rooting the Samsung Galaxy S5 G900V impossible?

I've been trying to root my Verizon S5 (SM G900V) for a while now, but to no avail. It has Android 5.0 lollipop on it right now. I was able to easily root my S4, but nothing seems to work for the S5. ...
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71 views

HTC DESIRE 310 - unlock bootloader problem can't fastboot oem get_identifier_token

The devices is connect on screen my HTC Desire 310 I have: On computer in cmd fastboot can see device but fastboot oem get_identifier_token not work : and nothing more What is wrong? Please ...
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2answers
67 views

What do the terms root, bootloader unlock, custom recovery and ROM installation mean? [duplicate]

I'm trying to root my Galaxy Note 4 and I see the above terms being used everywhere. What do each of them mean? I have a vague idea about each of them, but I'm still confused about some of them. A ...
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1answer
76 views

Fastboot saying “Unsupported command”

Hey guys i just rooted my Motorola Droid RAZR (HD) with kingroot and i want to install CM 12.1 nightly. Before i proceed, i need to unlock my bootloader. After sitting infront of PC for 3-5 hours now, ...
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0answers
46 views

Sony Xperia SP model not listed in 'developer.sonymobile.com/unlockbootloader' for bootloader unlocking

I don't know how I can unlock my Xperia SP phone, because the model is not listed in the site http://developer.sonymobile.com/unlockbootloader so I couldn't continue. My logic says there might be some ...
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1answer
103 views

Does “fastboot oem lock” prompt to confirm?

I want to run fastboot oem lock (or fastboot flashing lock) on my Oppo Find 7 to see if I can reproduce the behavior in this post. However, I don't actually want to go through with the bootloader ...
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0answers
35 views

How can I find out if the Bootloader is locked or not? [duplicate]

Is there a direct way to find out if the bootloader on a new unrooted device is currently locked or not? I would like to do this without the risk of clearing or bricking the device. I am looking for ...
3
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1answer
104 views

Moto E (1st Gen) Bootloader Unlocking

There was some problem with my 1-yr-old Moto E 1st gen. It got dead and after some time the dead android guy appears with some red-blue thing on its chest. It appears for half a second. I pressed ...
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129 views

Error unlocking HTC 626s bootloader?

I have a HTC Desire 626s purchased from virgin mobile and I wish to unlock my bootloader and root the device. So I have been following the HTCDev bootloader unlocking instructions. But whenever I ...
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0answers
128 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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1answer
153 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. ...
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0answers
106 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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1answer
301 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 ...
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0answers
36 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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2answers
1k 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 ...
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0answers
226 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 ...
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0answers
18 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
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1answer
173 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 ...
5
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1answer
166 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, ...
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1answer
3k 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
117 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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1answer
72 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
467 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. ...
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0answers
476 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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1answer
3k 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 ...
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0answers
42 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
676 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
398 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 ...
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1answer
253 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
79 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) ...
2
votes
1answer
417 views

Oppo find 7: bootloader re-lock impossible?

I tried to relock the bootloader on my Find 7 (which I'm pretty sure was unlocked since I installed a custom rom). fastboot oem lock ... After that nothing. Windows console is "stuck". Any clue?
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1answer
1k 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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280 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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172 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 ...
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203 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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1answer
135 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
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2answers
789 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
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1answer
784 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
310 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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2answers
3k 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
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0answers
303 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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2answers
12k 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 ...
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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 ...
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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?
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1answer
6k 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 ...
3
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1answer
56k 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 ...
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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 ...
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1answer
633 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 ...