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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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Can a firmware upgrade take away the ability to unlock a bootloader?

Historically I've always unlocked the bootloader on my phones (and installed a close to AOSP ROM and made use of root access) - however - and I bristle at the thought - I am almost at the point where ...
davidgo's user avatar
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1 answer
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Unlock Unisoc bootloader on Linux

I need a Linux command to unlock my Unisoc bootloader using modified fastboot. The command ./fastboot devices keeps telling me permission is denied. joseph@penguin:~/modified_fastboot$ ./fastboot ...
Joseph 's user avatar
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207 views

Cannot change OEM unlocking

I recently installed a Pixel Experience Custom ROM on my phone. After that, for some reason, I decided to block flashing on my phone and this caused message to appear every time I boot my phone: Your ...
ptgm's user avatar
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3 votes
0 answers
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Security risk of purchasing Android phone with unlocked boot loader but using/flashing known good firmware?

(If its easier for the question, we can assume a non-ancient version of Android - say Android 12 or newer) I am aware that running an unlocked boot loader can allow hacked firmware to be run on the ...
davidgo's user avatar
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0 answers
226 views

How to unlock bootloader of my vivo v20 pro or how to root it

how to unlock bootloader on my vivo v20 so that i can compile and install a new rom. Cause I find no websites to download custom rom for vivo devices device --- VIVO V20 PRO Running OS --- Funtouch OS ...
Jeevan Sai.K's user avatar
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63 views

Is the Pixel 7a GWKK3 is a locked or unlocked phone?

I've tried to find if my new Pixel 7a GWKK3 is locked or unlocked by looking at its box. I have not opened it yet. I could not figure out for sure if i can open it and install grapheneos on it. Do you ...
avishay's user avatar
1 vote
0 answers
417 views

Samsung Galaxy A23 stuck on Download Mode; cannot verify vbmeta image after I tried locking the bootloader

I am using a Samsung Galaxy A23. I noticed my phone's bootloader was unlocked, so I tried to lock it while in download mode. But it is stuck there and gives an error verifying vbmeta image. Please ...
Glain Otieno's user avatar
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0 answers
254 views

How do I root my Sonim XP8?

I'm working on rooting a Sonim XP8. This is a pretty obscure device, so it isn't easy to root. A lot of the normal options (fastboot, rooting apps, etc.) don't work because it's a pretty locked-down ...
Matthew's user avatar
0 votes
1 answer
375 views

I can't start my Moto G60 anymore after locking the bootloader

I recently downgraded my Android on Moto G60 (I downloaded ROM from some websites) because my phone screen was sometimes not working which upon locking and unlocking the phone made the screen work ...
dwas's user avatar
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0 votes
0 answers
15 views

Issues Rooting a Huawei Mediapad T1 10 [duplicate]

I have a Huawei Mediapad T1 10 (model T1-A21w) that I want to root since it has a modified old EMUI; i'm trying to install a basic Android 4 or wharever. I've tried with MTKroot already and manually ...
Galaxy Traveler's user avatar
0 votes
1 answer
2k views

Rooting carrier-locked Pixel 7 Pro

Just under a year ago, I changed carriers due to carrier unlock policies. The provider I switched to I was able to get the Pixel 7 Pro on a payment plan (2 years). With it being a Pixel, I thought at ...
Paul Brooks's user avatar
0 votes
1 answer
476 views

How to check if used Samsung Galaxy S23 has original bootloader, firmware, and software?

I bought a used Samsung Galaxy S23 from a large online seller. How can I check that all the software and firmware is original and not tampered with? I already did a factory reset from the settings ...
mark's user avatar
  • 101
0 votes
1 answer
345 views

Can't unlock Pixel 6's bootloader

I have no problems finding my Pixel 6 through adb. Also, no problems finding the device with fastboot devices while in fastbootd. But for some reason, when I switch to bootloader, the computer doesn't ...
Dazai's user avatar
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0 votes
0 answers
531 views

Can't unlock bootloader after `fastboot oem lock` on Xiaomi

I have owned a Xiaomi Redmi 9 for a while now and I have a problem. A short time ago, I locked the phone's bootloader to make it like new, and it was a serious mistake. I bought a new mobile and ...
NoobWithPc's user avatar
0 votes
1 answer
960 views

How to unlock bootloader of Vivo Y33S - 'Waiting for device' error

I'm facing some challenges with unlocking the bootloader of my Vivo Y33S and could really use some assistance. I have tried a few methods, but I'm encountering two specific issues: The MTKclient ...
Laerte Carta's user avatar
0 votes
0 answers
439 views

How to secure an unlocked Bootloader after installing custom ROM?

To install a custom ROM, we obviously need an unlocked bootloader. But after installing a custom ROM, is there any way to password protect or secure the bootloader so that if the phone gets stolen or ...
Blackernel's user avatar
1 vote
0 answers
511 views

Motorola Moto G200 brick with error "No valid operating system"

I need help with Motorola Moto G200 whose bootloader stopped working after a bad overclock using the KonaBess app. I have tried to turn it on by myself, and I have even taken it to a technical service,...
LAMBO's user avatar
  • 11
1 vote
1 answer
275 views

unlocking bootloader in ZTE blade 7 lite

i installed all drivers and also extracted adb and fastboot in my system so i enter "adb reboot bootloader" code in cmd after changing into adb folder and then when i enter "fastboot ...
Raman's user avatar
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1 vote
0 answers
2k views

How do I turn on OEM on a Samsung Galaxy A03s (Tracfone, SM-S134DL) device?

I'm trying to root Samsung Galaxy A03s (Tracfone, SM-S134DL) with Magisk and can't get it to work without the OEM on in the developers option. How do I turn on OEM?
Jamie Wright's user avatar
2 votes
0 answers
315 views

"< waiting for any device >" message, when I try to unlock bootloader on Moto g(9) plus

I want to unlock the bootloader on my Motorola Moto G9 Plus to install TWRP recovery, so I setup ADB and Fastboot on my PC, Enable USB debugging and OEM Unlock on my phone, connected it to my PC, ...
HolyWar_'s user avatar
2 votes
1 answer
3k views

Unlocking (Xiaomi) Redmi 9A without a Windows PC

Xiaomi provides a tool for unlocking their phones called "Mi Unlock" but only runs on a Windows PC. I only have access to Mac (both Intel and ARM64) and Linux. I don't have Windows. I ...
Alejandro Imass's user avatar
0 votes
0 answers
378 views

Pixel 4 OEM unlock impossible?

My new Pixel 4 just arrived, and I want to install LineageOS on it. Problem is, the OEM Unlock toggle is disabled (greyed out). It's not a carrier-locked device or anything like that (purchased from a ...
bur's user avatar
  • 121
0 votes
0 answers
26 views

Huawei, 'OEM unlock' missing from developer options [duplicate]

I want to unlock the bootloader of the Huawei phone. There is no 'OEM unlock' in the dev options. When I go into bootloader: fastboot flashing unlock I get a message "command not allowed". ...
VeritLibert's user avatar
0 votes
0 answers
550 views

I cant flash a phone because it's locked

I cant flash my cousin's phone because it's locked and it keeps saying "erase is not allowed in locked state" it's a POCO X3 pro and it got bricked for no reason so I tried everything, and ...
pitachokaaa's user avatar
2 votes
0 answers
984 views

Pixel 3 XL Verizon unlock bootloader. OEM not highlighted in developer [duplicate]

My Pixel 3 XL was using OS 11 Verizon. Without asking, it updated to OS 12. Ever since my system app keeps crashing, it will not stay connected to the internet and overall, ruined the phone. Being ...
Mark 's user avatar
  • 21
3 votes
0 answers
458 views

How to ensure a device will allow me to OEM unlock it, so that I can install a custom ROM to it when I have the IMEI?

I'm about to buy an Android phone from someone in my area. He already told me the IMEI. How can I ensure that I can unlock the bootloader ("OEM Unlock") prior buying the phone? I've heard ...
Martin Braun's user avatar
2 votes
1 answer
646 views

Factory reset when enabling and disabling OEM Unlock in one session?

I accidentally enabled "OEM Unlock" on my old Pixel 3a. I instantly disabled "OEM Unlock" again. Will the phone forcefully factory reset when I reboot?
Martin Braun's user avatar
1 vote
1 answer
2k views

How to get fastboot identifier token to unlock bootloader on HTC One M9 where Android is no accessible?

I want to revive an old HTC One M9 rotting in my grandmothers locker for some years. I would like to flash the phone with a custom ROM but unfortunately it is locked, so I can't access Android. ...
user5950's user avatar
  • 111
0 votes
0 answers
2k views

How to generate the key to unlock bootloader to unlock OEM

I want to install Lineageos on my Nokia 6.1 Plus. Info But I understood Nokia is not supporting officially I cant see OEM unlocking: Allow the bootloader to be unlocked is DISABLED in developer's ...
Veerendra K's user avatar
1 vote
0 answers
300 views

Can't unlock my Acer B3-A30 tablet's bootloader

So I have an Acer Acer B3-A30 tablet, which is stuck on the Acer logo. I'm trying to unlock it's bootloader (with fastboot mode), so I can reflash it (with a stock rom), but it just shows an error ...
3060PlayZ's user avatar
  • 165
0 votes
1 answer
1k views

Does disabling and removing Knox solve RMM OEM missing in developer options?

I bought this Samsung Galaxy M12 (SM-M127G/DS, Exynos 850, 6000 mAh battery, India version) about 11 days ago. Since then I have been dealing with this RMM state issue, struggled to find a way for OEM ...
Silent's user avatar
  • 121
1 vote
1 answer
4k views

Unlock bootloader or flash TWRP with EDL on Xiaomi Redmi Note 3 Pro (kenzo)

I have a Xiaomi Redmi Note 3 Pro (kenzo) phone with a locked bootloader. Earlier, I unlocked this, but I do this with an easy switcher tumbler "OEM-unlock", so I flashed TWRP, custom ROMs, ...
mark0392's user avatar
2 votes
0 answers
2k views

Google Pixel 2: Is it possible to verify that it cannot be OEM unlocked and why?

Background Apparently, I have bought yet another brand new phone that is absolutely useless and has a value of zero. It is a Google Pixel 2. I would like to OEM unlock it. This option is greyed out in ...
0range's user avatar
  • 151
0 votes
1 answer
2k views

Where are the official Xiaomi drivers for ADB/USB? (trying to unlock bootloader of Poco M3)

I tried everything from every tutorial about how to unlock my Xiaomi Poco M3 bootloader. I enabled OEM unlock, etc, rebooted into fastboot mode, but then the phone is not recognized in the batch ...
Guerlando OCs's user avatar
0 votes
0 answers
122 views

Roll back to Root on Huawei Honor View 10

I have Huawei Honor View 10 phone I got it bootloader unlocked and rooted with magisk while bootloader unlock option was available on Huawei website. After sometime I upgraded to Android 10 update (...
mohsyn's user avatar
  • 328
0 votes
1 answer
496 views

Android OEM Unlock wipe taking too long

Im using Oneplus 3T and when I did fastboot oem unlock now my device is stuck on screen since last 30mins plus "Wiping, please wait" How long one should wait ? any way I can exit this and ...
STEEL's user avatar
  • 370
1 vote
0 answers
834 views

Fastboot doesn't do anything on my device

I've seen similar topics but most of them are on Windows which is commonly solved by updating the fastboot drivers. I'm using Arch, and based on what I've read Linux doesn't even need drivers of any ...
Luis Batista's user avatar
1 vote
0 answers
32 views

Will dumping the partition to enable `oem unlock` and flashing back the edited partition work for unlocking the bootloader on Huawei devices? [duplicate]

I'm trying to unlock the bootloader/FRP of several Huawei devices. But it is difficult because there is no support from the manufacturer and the oem unlock is not present in the system. So, I have ...
riccs_0x's user avatar
  • 151
1 vote
0 answers
631 views

How to unlock the bootloader of Safaricom Neon Ray Pro?

I have a Safaricom Neon Ray Pro, a carrier-based Android phone managed by an operator called SAFARICOM, a Kenyan network carrier. I want to unlock the bootloader, but as far as my device is carrier-...
mwangi wyclyffe's user avatar
1 vote
0 answers
7k views

How to enable the OEM unlocking option if isnt available in the developer options menu?

Im trying to unlock the frp and the phone , based on kirin 710 and 710A, and there is no OEM Unlock option in the developer menu. It has been issued the commands: fastboot -s usb:1-1 oem device-info ...
riccs_0x's user avatar
  • 151
1 vote
0 answers
818 views

Recover data from soft bricked (unrooted) Galaxy S8

My S8 G950F got stuck in a boot loop after an update (there was little storage left before the update, but not sure if this is the reason for failure). I tried flashing it with Odin (with HOME CSC), ...
seques's user avatar
  • 11
0 votes
1 answer
898 views

How to unlock bootloader on Samsung Galaxy S6 Lite?

I have a new SM-P610 device that I want to install Lineageos on. I am following the instructions at https://wiki.lineageos.org/devices/gta4xlwifi/install but I am unable to unlock the boot loader. ...
hlovdal's user avatar
  • 141
1 vote
0 answers
708 views

I need help unlocking my bootloader on my galaxy note 9 sm-n960u using kali linux 2021.4

I need help unlocking my bootloader on my galaxy note 9 sm-n960u using kali linux 2021.4 iv'e tried window and android to unlock bootloader so that's why i am asking with help doing it with linux it ...
francesco coria's user avatar
1 vote
0 answers
27 views

How can unlock the bootloader on the Honor 8C without unlock code? [duplicate]

The article describes how to unlock bootloader on honor-8c. https://www.techdroidtips.com/honor-8c-unlock-bootloader/ The last step is And now to apply for your Honor 8C unlock code, fill in the ...
showkey's user avatar
  • 141
1 vote
1 answer
486 views

How to unlock the bootloader of Samsung galaxy grand 2?

I searched the whole internet and couldn't find any guide for unlocking the bootloader of this specific model. my main goal is to install Lineage OS but the instructions on the page don't seem to be ...
Parham Moieni's user avatar
1 vote
1 answer
211 views

Signing TWRP with OpenPGP doesn't work, private key needed?

I am trying to sign TWRP (Redmi Note 8 ginkgo) using GPG on Windows 10. I have imported the TWRP public key, however, when I select the file for signing, it does not show up in the drop-down menu in ...
zoey_96's user avatar
  • 31
0 votes
0 answers
759 views

t00j flashing unlock unknown command

I have been trying to unlock my devices(zefnone 5 t00j) bootloader, when i type fastboot oem unlock i get FAILED (remote: 'unknown OEM command') fastboot: error: Command failed on the cmd, and when i ...
Emre Enercan's user avatar
0 votes
0 answers
408 views

Reverse engineering the Stylo6 bootloader unlock

I've unlocked the bootloader and I'm analyzing the backups from before and after the unlock to find many partitions have changed, I want to find a way that will anyone to unlock their bootloader in ...
Warlockguitarman's user avatar
2 votes
0 answers
14k views

Why is it possible to re-lock the bootloader after installing a custom ROM (on some devices)?

As I understand it, if an Android device’s bootloader is locked (fastboot oem lock), it should check the installed system on boot to verify that it’s signed with some (the manufacturer’s?) signing ...
Socob's user avatar
  • 224
2 votes
0 answers
451 views

Is there a way to root a locked Motorola phone?

Someone gave me their locked phone and I want to install a custom rom on it but it's not rooted and developer options aren't enabled. The phone model is Motorola Moto G6 Play.
Mina's user avatar
  • 121

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