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Questions tagged [bootloader-lock]

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

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Moto g4 play is not supported by bootloader unlock program, anybody know any unofficial ways to unlock it

After days of arguing with various Motorola Customer service people, Istill have not found the reason to which the Motorola g4 play (no ads version) is not bootloader unlockable. It is not supported ...
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1answer
37 views

Pattern unlock required when starting phone

AFAIK on Android 7 Nougat, when you set pattern unlock, the user is not required to enter the pattern to power up the phone. However, on Android 8.1 Oreo (I'm running a Wiko VIEW MAX Android 8.1 phone)...
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1answer
18 views

Lock bootloader with broken USB port

I bought a Xiaomi Mi A2 maybe 10 months from now, and from changing software, or some strange things, I broke the USB port. The strange thing is that only the "OTG" part got broken. I mean, I still ...
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0answers
51 views

Note 9 sm-n960u US boot loader

I have a lot of questions about boot loader, rooting etc. I hope its ok to ask multiple questions In one thread Please tell me if this is allowed or not. What happens If I try to root with a locked ...
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1answer
27 views

I Have an LG P769. I am trying to root it and it is not working

Forewarning: I am not exactly an expert on this type of thing. I have tried several things, but the problem seems to be that I cannot get into the bootloader via "adb reboot bootloader" or by ...
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0answers
29 views

Sony Xperia X Rooting issue when the unlock bootloader flag is set to no

I am trying to unlock a Sony Xperia X that was locked to a Canadian carrier (Freedom). The previous owner sold me the phone unlocked (SIM) but he failed to unlock the bootloader. I followed the ...
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2answers
113 views

FRP and OEM locks bricked my Samsung phone after root

I recently flashed my SM-J701F (Samsung Galaxy J7 Nxt, Android 8.1) with TWRP and Magisk. Both OEM and RFP locks somehow turned themselves on when I tried to reboot, effectively bricking it by ...
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1answer
51 views

actual limitations of locked bootloader

I have read in many posts that a locked bootloader prevents from flashing custom ROMs, because it checks the digital signature of the ROM itself. I thought a "bootloader" was only responsible for ...
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1answer
46 views

Is it possible to Unlock bootloader at phone with MIUI without registration?

Is it possible to Unlock bootloader at phone with MIUI without registration at: https://en.miui.com/unlock/
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0answers
554 views

Unable to unlock bootloader of OPPO F7

I have bought oppo f7, which comes with android 8.1 firmware. It has been 5 months since the purchase and obviously it is still in warranty period. I wanted to root my phone for the reasons you may be ...
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1answer
155 views

Unlocking Bootloader Android 7.1.2

I have a RCA device running Android 7.1.2. I'm having difficulty unlocking the bootloader. On my device I've an option to turn on OEM Unlocking. When I try it asks if I want to enable when I select ...
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1answer
451 views

What are the risks involved in unlocking the bootloader?

A locked bootloader is one that will only boot an OS and recovery that it "approves" of. Vendors digitally sign the recovery, kernel and kernel modules and unsigned binaries are refused to flash and ...
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1answer
227 views

Bootloader unlock HTC Desire 12+

I am trying to unlock the bootloader of my HTC Desire 12+. I tried several tutorials but they all failed. Here is what I did so far: I boot the phone into recovery mode Start the bootloader After ...
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2answers
706 views

Fastboot unlock failed

I have a Nokia 6 and whenever I try to unlock my device I am facing error. The command sudo fastboot oem unlock The result (remote: oem unlock is not allowed) Any suggestions?
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24 views

Is there a way to know phone model without open it?

I rooted my Samsung J1 phone and how it can't boot because the FRP lock is on. According to Phone boot loop, Custom binary blocked by FRP lock, then Samsung Firmware Odin: Download & Flash ...
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2answers
2k views

On flashing TWRP: Custom binary blocked by FRP Lock

Whenever I try to flash TWRP I get Custom binary blocked by FRP Lock. I'm trying to flash with Heimdall.
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2answers
651 views

OnePlus 5 Soft Brick

I have a OnePlus 5 and it won't boot. The phone is stuck on black screen and blue led (can't boot) since 20 days and I tried everything I saw on the web to make it boot again. I tried : to flash ...
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1answer
226 views

As of vendors - whose bootloaders are easy to unlock, and whose not?

The vendors differ in their attitude to unlocking the bootloader. Some require codes for unlocking, some not. Some require proprietary, Windows-only software, other not. Which of the vendors are ...
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47 views

Google Nexus 7 (2013 Wi-Fi) Boot freeze, no recovery options working

I bought a Google Nexus 7 2013 edition, Wi-Fi only, from a yard sale. I have no clue what the previous owner did or tried but I cannot get it to boot. I'm not by any means an Android expert so if it ...
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0answers
152 views

HTC Desire 626 Verizon Bootloader unlock

I'm trying to unlock the bootloader on a HTC Desire 626 from verizon. at first i got stopped by waiting on device but after that when entering fastboot oem get_identifier_token i get this ... (...
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0answers
621 views

Samsung S6 Active Will Not Boot, AP Rom Flash Succeeds (Bootloader Flash Fails - EDIT: BL Flash Works, Device Still Won't Boot)

(See Update Below) Hi all and thanks in advance for your help. I am having trouble with my S6 Active. It has been stuck in a boot loop for a week now. It was running stock beforehand. I flashed a ...
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0answers
111 views

Sony XPeria T service menu app missing

I just found out that I have a Sony XPeria T, not a Sony XPeria Z1 Compact. After years of owning it. Wow. So I wanted to try some things that I previously discarded because they weren't possible with ...
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231 views

Moto g4 plus can't be unlocked

When I go to unlock my moto g4 plus, I get a message that my computer cannot be unlocked. This is the getvar all result (bootloader) version: 0.5 (bootloader) version-bootloader: moto-msm8952-B1.07 (...
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0answers
34 views

Where is the “enable developer option” written to?

When enabling "developer option" on device, then the serial number of device becomes known when connecting device to PC, and booting into bootloader. adb devices List of devices attached ...
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2answers
108 views

understanding bootloader unlocking

I am trying to understand the rooting procedure in general. I see that 1st stage involves what it termed as "unlock bootloader". It is described as a method which makes the bootloader capable for ...
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0answers
2k views

Huawei Unlock code site not working - How to get Honor 6X unlock code?

All is in the title : How to get Honor 6x unlock code since this url 'https://emui.huawei.com/en/plugin/unlock/index' is dead ?
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2answers
4k views

remote: oem unlock is not allowed

i did not find any solution on xda-developers, so i am posting this question here. i am trying unlock bootloader on nokia6 when i give command: sudo fastboot oem unlock or sudo fastboot flashing ...
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1answer
2k views

How to flash a factory image onto a Nexus 5x with locked bootloader?

This happened today: I was using my Nexus 5X when it suddenly started rebooting. It got stuck in a bootloop. It would never boot past the Google logo and I couldn't turn it off. I was able to enter ...
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0answers
52 views

-1: Unknown error while unlocking redmi 3s+ bootloader

So I tried to unlock bootloader of my Redmi 3s+ .It shows error " -1:Unknown error" but it also displays Unlock button .Downloaded the flash tool and rebooted the phone couple of times but nothing . ...
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0answers
115 views

Unlock bootloader on Dell Venue 10 5050

I have a bricked Dell tablet that doesn't boot and also a has locked bootloader (Secure Boot: Enable). I've made a full partition dd backup, but now I cannot flash it via fastboot supposedly because ...
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2answers
1k views

Recover nexus 5x with locked bootloader and TWRP

I bought a used nexus 5x and got a message saying to lock the bootloader to allow OTA updates. So I did, not fully understanding what my situation was. It wiped the phone and now it won't boot. I ...
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2answers
79 views

Phones that can have bootloaders unlocked

Very new to Android and wish to experiment with custom roms (that require an unlocked bootloader) on an inexpensive used phone. How can I tell if a specific Ebay phone is capable of having the ...
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19 views

Why does unlocking bootloader require erasing userdata? [duplicate]

I unlocked the bootloader in my OnePlus 5 right after it was delivered, so there was nothing to erase. Then I flashed TWRP and SuperSU. It comes with DM-Verity (and /data force encrypted). I tried re-...
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1answer
183 views

Can I install apps to adopted SD card from recovery?

WhatsApp is stubborn about not installing to SD card. I have an unlocked bootloader, but have not rooted or installed a custom recovery yet. I am trying to avoid rooting because of SafetyNet, and ...
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3answers
269 views

Can I somehow unlock my phone's bootloader or root it?

My Moto X 1st edition (XT-1060, career Verizon, OS 5.1) doesn't stay rooted. I mean to say that it turns back to unrooted state wherever it reboots or even when it is left untouched for an hour or so. ...
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1answer
973 views

How do I unlock bootloader and root LG Optimus Zone 3 (VS425PP)?

How do I unlock the bootloader on LG Optimus Zone 3 (VS425PP) in a simple, easy to follow steps? Then how do I root the device and return to a fully functional cell phone that is stable and rooted? ...
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1answer
500 views

In Galaxy S7, cannot disable Samsung Reactivation Lock

Summary I'm trying to install a custom build of LineageOS following the instructions here. I was attempting to load a recovery image using heimdall when I'm told 'Recovery Check failed'. It turns out ...
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0answers
425 views

Flashing custom recovery using DD with locked bootloader?

So, I understand that you can flash a custom recovery using DD. I have done this on my Nexus 6p, with an unlocked bootloader. My carrier is Verizon, which loves to lock down bootloaders. I have ...
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2answers
690 views

how to recuperate data from Nexus 5 with broken screen and USB debugging off?

So I was exercising hard and my phone fell ackwardly from the elliptic, the phone died, when I picked it up, my screen was full of lines. The glass does not seem broken but what is under the glass ...
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1answer
981 views

Flash Soft Bricked Locked Nexus 6P

How can I get my soft bricked Nexus 6P working again? I don't mind flashing it, losing all data etc. I'd rather have it done now than send it away to be fixed. It's caught in a boot loop where it ...
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0answers
306 views

xiaomi redmi note 4: unable to acquire unlockinng bootloader permission

Straight to the point. I've created a MIUI account through my Redmi Note 4 and applied for permission to unlock bootloader through the official Xiaomi unlocking link. The problem is that after i ...
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1answer
994 views

Does OEM unlock wipe data?

I am using samsung galaxy j7, in the developer options there is a option "OEM Unlock" if I turn it on will it wipe my data? Also does samsung locks bootloaders? My device is not tied to any carrier.
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1answer
814 views

Unlock Samsung S5(SM-G900W8) bootloader without rooting

I am performing some tests on android devices, to properly do this I need to first unlock the device bootloader and run my tests on the device after which I then root the device and perform the tests ...
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0answers
605 views

Moto X Bootloader Unlock (Without Sunshine)

Recently I was trying to unlock my Moto X 2014's bootloader and I came a cross this site. However, while I understand the concepts, the actual in practice execution of the exploit is completely ...
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1answer
813 views

How do I unlock the bootloader on an LG K120 (K4 LTE 2016)?

I got a used LG K4 off eBay and I'm looking to flash a Marshmallow ROM. I tried downloading the SuperSu ZIP file and booting into recovery, but the only option was factory reset. I rebooted and ...
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0answers
819 views

How to Properly Reverse Boot Unlocking

After following instructions to unlock a bootloader and then ones to lock it back, using Fastboot for both, my Android 7.0 phone boots with a warning saying that Your device has failed validation ...
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1answer
1k views

Upgrade a partially Downgraded Moto G4 Plus (XT1644) with unlocked bootloader to Nougat

tl;dr: had a problem rooting on Android N, flashed stock M image. Now running unrooted M, but attempts to OTA upgrade to N fail. I'm unable to relock bootloader by reflashing stock. I think this is ...
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1answer
125 views

is it required to do unlocking of bootloader before installing and upgraded rom for sm-g550t galaxy on5 and then reroot

i want to know,in order to upgrade from my rooted Samsung ON 5 SM G550T, to Nougate 7.00, will i have to re-root the phone process again. Currently my phone is rooted but i think my boot loader is ...
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0answers
3k views

Unlock Bootloader on Samsung Galaxy S6 AT&T

I'm trying to root my phone, and I was told that because I own a Galaxy S6, I need to unlock my bootloader. My carrier is AT&T, which makes it apparently even more difficult. I've tried things ...
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1answer
608 views

Unlocking Bootloader Moto G Unable to bootup

I have been trying to unlock the bootloader on my Moto G 3rd Gen, so I can install TWRP Custom recovery and flash a new system image, as my phone will not boot up at all (including recovery mode). I ...