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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'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 ...
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  • 111
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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 ...
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  • 81
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1 answer
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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, ...
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1 vote
0 answers
61 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 ...
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  • 141
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0 answers
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How to Reset My realme XT (screen not working) without Usb Debugging and bootloader!

yesterday i was playing around in settings of my real me Xt I enabled OSIE vision effect and also enabled Always on display. After few minutes when i back went to my device it went blank, it lights up ...
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1 answer
105 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 ...
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45 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 (...
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  • 185
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1 answer
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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 ...
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128 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 ...
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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 ...
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102 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-...
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1 vote
0 answers
260 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 ...
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  • 151
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106 views

No “Enable OEM unlock” option on Meizu M2

I’m trying to set PostmarketOS to my sister’s old phone and now I’m stuck with an interesting trouble: in developer settings there’s no option to allow OEM unlocking. USB debugging is on, tried many ...
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1 vote
0 answers
159 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), ...
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1 answer
286 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. ...
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  • 141
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0 answers
216 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 ...
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1 vote
0 answers
26 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 ...
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  • 141
1 vote
1 answer
107 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 ...
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1 vote
1 answer
80 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 ...
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0 answers
325 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 ...
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0 votes
0 answers
177 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 ...
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2 votes
0 answers
5k 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 ...
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  • 224
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Redmi note 3 showing enter code to unlock. After successive reboot

Redmi note 3 asking for password after successive rebooting the phone and i couldnt enable the password or any locking mathod in phone. After rebooting the screen gets more brighter and this massage ...
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1 vote
0 answers
99 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.
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  • 111
0 votes
1 answer
529 views

Cant unlock bootloader or go to download mode in Samsung M11

I have Samsung M 11 (SM-M115F/DS). I want to install TWRP in it. But I cant unlock boot leader or go to download mode. I already enabled OEM Unlock. I saw in some sites that in this device i have to ...
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1 vote
0 answers
87 views

ADB Reboot Failed: -1 When using "adb reboot bootloader". (Infocus M530)

I have an Old Infocus M530 (Mediatek 6595) running on Android 4.4.2 (KK) (Which i believe is made by Foxconn), I've been trying to make some Custom Recoveries for this device for quite some time and i ...
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1 vote
1 answer
629 views

Moto G5 will not boot, what are my options to recover user data?

I have a Moto G5 (XT1676), which is stuck in a boot loop. It will ask for my pattern to unlock the partition, and then the motorola / lenovo logo spins forever and the phone will not boot. What are my ...
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0 answers
705 views

What is a SLOCK file and how I can get it (Huawei Bootloader)

I found this post on the XDA Forum (https://forum.xda-developers.com/t/unlock-bootloader-for-free.4054619/) to unlock the bootloader of phones that have Kirin 970/710 and lower and with EMUI 8.0 with ...
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0 answers
106 views

Samsung Galaxy Note 10+ 5G - cellebrite mobile forensics data extractions - locked with pattern

I've got a locked Samsung Galaxy Note 10+ 5G (running the latest android 10 and patches) The phone is locked with a pattern (unknown) What are my chances of any data extraction with cellebrite or ...
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1 vote
0 answers
124 views

How can I relock my Xiaomi bootloader without bricking the phone?

I unlocked the bootloader on my Xiaomi Mi A1, and it boots fine. However, after I relocked it (using the top answer here) and rebooted, the phone flashed the white Android loading screen then went ...
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3 votes
0 answers
368 views

How to install a post-market operating system on a Samsung Galaxy S7 with a broken screen that has "OEM unlock" still disabled?

I want to use my old Samsung Galaxy S7 (with a broken screen) as a headless device in my home network. (Rationale - for the curious readers: Even with a broken screen it could possibly become a ...
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  • 131
1 vote
1 answer
436 views

Having trouble unlocking boot loader galaxy s9

I've found numerous guides online on how to fix the missing OEM unlock toggle on samsung galaxy s9. I've been able to follow all steps except for the last one before rebooting the phone. And that step ...
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2 votes
1 answer
77 views

Is it possible to update from Android 4.2 to 4.4 without disturbing the bootloader?

I have, for example, downloaded an update from android 4.1 to 4.2. All it consisted of was 10 new system apps, 5 libraries, 3 fonts, and a new bootanimation. What I would like to know is if an update ...
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7 votes
1 answer
2k views

Bootloader wont unlock on Google Pixel 2 (G011A)

I'm trying to root my Google Pixel 2 but I can't get the bootloader unlocked. The phone is a renewed and unlocked international version, model number G011A. From the bootloader screen, and connected ...
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2 votes
1 answer
668 views

How is bootloader state protected against physical tampering in Google Pixel

A week ago my professor's Pixel 4 XL was stolen from his desk when he left it there for charging. The phone has been shut down. It had few minutes of battery left when it was plugged in charging. ...
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2 votes
2 answers
616 views

Unlocking bootloader for Vivo Y12

I have enabled OEM unlock and USB debug from settings. I am using Vivo fastboot tool. And after entering the fastboot menu, I tried the code fastboot bbk unlock_vivo. C:\Users\dell\Desktop\...
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2 votes
1 answer
2k views

"no valid slot to boot" on locked bootloader

Using the Google Factory Image of Android 10 for the Pixel 4 (flame), I ran into trouble: the device does not boot with the following reason: no valid slot to boot I hence tried to flash another OS ...
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1 vote
0 answers
193 views

FBE encryption bootloader state in keys

I want to unlock bootloader on Android 8.0 FBE encrypted with PIN I don't wanna lose my data, therefore i made backup of userdata partition before According to CCC the bootloader state is part of ...
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3 votes
1 answer
342 views

Can we consider Huawei phones as unrootable?

Huawei unlocking happened until 2018/05 by getting an unlock code on the manufacturer's website page1 and giving it as an argument to a fastboot oem unlock. In 05/2018, Huawei simply stopped this ...
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  • 866
1 vote
1 answer
3k views

`fastboot oem unlock` results in unknown command (Alcatel 1s)

I have an old Alcatel 1s (5024d) with Android 9 and I wanted to try my hand at rooting it. I've been following a tutorial that's supposed to let me flash a boot.img patched by Magisk Manager. I've ...
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2 votes
1 answer
234 views

Huawei mate 20 lite bootloader-unlock doesn't work due to FRP

I've got two huawei mate 20 lites in front of me, and I have the bootloader codes to unlock them. But when I use adb fastboot to unlock them I get the message "Cannot unlock bootloader, you need ...
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2 votes
1 answer
2k views

Device says bootloader unlocked but OEM unlock option can enabled and disabled?

I have a Redmi Note 3 (INDIAN VARIANT Kenzo/Snapdragon variant running on Marshmellow 6.0.1 with MIUI Global 10.2) on which I performed an bootloader unlocking procedure via the tool XiaoMiTool V2 ...
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5 votes
1 answer
191 views

What are the various ways an Android phone can be locked?

I ask this question because the confusing terminology of different types of "locked" and "unlocked" like rooted and not rooted, Sim-locking, FRP locks, lock screens, ADB active ...
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2 votes
0 answers
128 views

“OEM Unlock” unlockable

I've a very dramatic problem. I don't know how it could happen but sice a week the internal storage of my Cubot X20 Pro with android 9 is in "read only" mode. That's mean that I couldn't ...
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0 votes
0 answers
80 views

Recovering deleted files from unrooted Android device requires factory data reset

I would like to create a copy of the internal drive (not SD) of my Android device (Motorola E3) to recover some deleted files, but it requires rooting of the device. Rooting itself requires bootloader ...
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1 vote
0 answers
642 views

Relock bootloader - "FAILED (remote: unknown command)"

I'm getting rid of my Sony XZ2 Compact. I just flashed the original firmware using Emma and now I'm trying to relock the bootloader. I've tried running fastboot oem lock and fastboot flashing lock ...
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  • 111
0 votes
1 answer
792 views

How to install TWRP or any custom recovery for a phone its not listed

So my phone is Tecno Camon 15 Pro and I cannot find any custom recovery for my device. (e.g. TWRP, OrangeFox, Pitch Black or others) so how do I install a custom recovery on this or any such device ...
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  • 131
1 vote
1 answer
77 views

Do "unlocked" phones come pre-unlocked or just the ability to be unlocked?

When you buy an unlocked (carrier-free) device, do the phones usually come unlocked already, or just with the ability to be unlocked easily? e.g. would the fastboot unlocked status be locked when it ...
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  • 153
1 vote
0 answers
227 views

Any way to flash a custom rom without twrp recovery?( It doesn't work on my device)

I am trying to root my Galaxy Note 10.1 (sm P605). I've already upgraded the firmware with odin and flashed twrp with odin as well. Now after flashing twrp it boots normally then I switched it off and ...
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4 votes
2 answers
2k views

Unlocking Google Pixel 2 XL without losing data

I need to unlock my Google Pixel 2 XL without losing my data. I figured out the simple solution of doing a hard reset, but I can't lose all the important things on my phone because I need them for ...
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