Questions tagged [bootloader]
for questions on the bootloader, which is kind of "BIOS mode" on Android devices
546
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Can't get SM-900 to be accessible with fastboot on Linux
I'm using Debian GNU/Linux trixie (well, the Devuan equivalent to be exact), and am working on a Samsung SM-P900 Galaxy Note 12.2 Pro tablet. As part of possibly flashing it, I need to make sure the ...
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Installing Alpine Linux using Fastboot
I have a Lenovo TAB 10 (TB-X103F) with TWRP installed, but no OS.
I am attempting to install alpine linux but to my knowledge, the tablet is unable to boot from EFI, so im confused on what to do next ...
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What is OS Fingerprint during boot screen?
During the boot of an unlocked device, it displays "OS Fingerprint:" with some random string.
What does this string represent? Additionally, is there a way to safely change it? I know if ...
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Google Pixel with Android 15 Beta, can't unlock bootloader
I have a Pixel 7 Pro that is enrolled into the Adroid 15 beta program, and in developer options, "OEM unlocking" is greyed out so I can't unlock the bootloader.
Is there a way around this?
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Phone screen stuck, flashing between normal screen and static
Google Pixel 5a: my phone suddenly went into a mode of alternating/flashing between static (random pixel noise) screen and regular display (was using the camera, no drop or physical stress). I can see ...
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48
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How to unlock the bootloader of HTC One A9?
I forgot my password so it got formated, I was gonna just set the phone again but the thing is my phones WiFi does not work (Maybe because of the firmware). So I thouht I could use Mobile Data but I ...
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29
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What is this bootloader warning?
In my HTC One A9, when I boot in download mode, at the bottom there is the warning:
If you flash a ROM that is not from HTC it could lead to.... (security issues)
Does it mean it has a custom ROM?. At ...
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0
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52
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Restore a TWRP Backup through Odin?
Is there a way to convert TWRP Backup to an Odin Flashable Tar file?
I have a TWRP Backup of my old LineageOS 20 for my phone, but currently I don't have a working TWRP because of this issue: TWRP ...
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61
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Need help in rooting cph1809 (OPPO a5)
I have a CPH1809 RUNNING android 8.1 and coloros 5.2.1
I am completely new in the process of rooting and I can't find tutriols releated to my device if anyone can provide me guide to root my phone
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Pixel 8 'OEM unlock' greyed out
The phone is a brand new phone that was provided by my carrier in Canada (Telus). The phone is carrier unlocked. I verified this by putting a non Telus sim into it and making a call.
Once the "...
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Samsung A52 stuck in KG STATUS: CHECKING (00)
after I'm install new firmware on Samsung A52 from: https://samfw.com in Download Mode i got:
CURREMT BINARY: Samsung Official
FRP LOCK: OFF
OEM LOCK: ON(L)
KG STATUS: CHECKING (00)
WARRANTY VOID: 0x)
...
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62
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Is it possible to skip the warning screen on a locked bootloader running custom firmware?
This question is from a malicious viewpoint to see if its possible that it happened in my case
I have got answers before that if my bootloader is locked then a factory reset(/even reflash stock rom) ...
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Tried to unlock Sony Xperia 5 III bootloader - now: "FAILED (Write to device failed (no link))"
As per title, I am trying to unlock the bootloader on my Sony Xperia 5 III. I have the global variant (XQ-BQ52) and confirmed it is unlockable. I am on W10 Ryzen based desktop system. I tried to ...
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Obscure Mio Tablet Stuck when Booting to Bootloader
In my journey to turn my extremely weak and unsupported Mio Tablet 10 into a Linux machine, I've come across a hurdle when trying to boot into bootloader mode from either ADB or the recovery menu on ...
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How can I fix a broken os?
I don't actually know if it's a broken OS, but, when I try to turn it on, the Motorola logo keeps flashing (the device is an Motorola G6). But it never actually turns on.
When you press vol down ...
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Flashing twrp failed on Moto G5s
I wanted to install twrp on Moto G5s but faced the following error:
Inspiron-7501:~/Downloads$ fastboot flash recovery twrp-3.5.img
(bootloader) is-logical:recovery: not found
Sending 'recovery' (...
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0
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Fastboot boot twrp.img just boots back into bootloader
Im trying to boot in to the twrp.img for my Motorola Edge 20 (Berlin) because I can't flash it because my phone doesn't have an own partition for the recovery. fastboot says finished but my phone is ...
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447
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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 ...
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Can we mod android phones using custom bootloader, firmware for MSM8909 Snapdragon 210
Can we mod android phones using custom bootloader (sbl secondary bootloader) , firmware for MSM8909 Snapdragon 210 (phone is zte835). Deleting all factory firmware, bootloader and using custom ...
user399774
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Blackview BV9900 - Cannot Unlock Bootloader, Stuck In Fastboot Mode
I've been trying to follow multiple potential guides.
The latest one I've tried is this one.
Everything works fine, downloading the Android Platform Tools (adb, fastboot, etc), downloading + updating ...
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539
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Flash avb_custom_key using EDL
As documented here, many bootloaders will allow flashing a custom verity key to the avb_custom_key partition using fastboot. This then allows a custom chain of trust so the device will boot a custom ...
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LG G Pad F 8.0 (UK495) Android 6.0: Cannot Access Bootloader or Recovery
I have an older LG G Pad F 8.0 (UK495). The tablet originally came with Android 5.1 but at some point received an official upgrade to 6.0. My ultimate goal is to hopefully root the device & ...
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646
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Fastboot does not see device, but fastbootd does
My device: Tecno Camon 19 (cl6n)
I need to unlock bootloader, adb see my phone correctly, fastbootd too. But when I do adb reboot bootloader neither the phone nor the PC can see each other. Phone says ...
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300
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Unlocking moto g power bootloader
I have a moto g power (2021) Running Android 11 and I am searching For a way to unlock the boot loader. When I go to the Motorola website and Follow the steps to unlock it The website tells me that ...
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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 ...
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Why should I update the bootloader when flashing custom ROM?
I have a Realme GT Neo2. The developer behind the custom ROMs says it's required to flash some firmware Firmware_EU_F.04_RM-Warning.zip. Inside the archive, there's an abl.img file which I believe is ...
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Is it possible to rescue data from a Google Nexus 5 which is stuck in bootloop with locked bootloader and no working recovery mode?
I have found my Google Nexus 5 which I had problems with in 2016 concerning the infamous stuck power button. At some point, the phone was stuck in a restarting loop. Then, I managed to leave this loop ...
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Can I connect to Wifi after flashing GSI
My old phone is running Android 10. I wanted to install Android 14 beta on it. Bootloader is locked.
From what I know, unlocking bootloader would reset the device. Therefore Wifi passwords are gone. ...
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596
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Secure boot on with no system
I have bought a cellphone (google nexus 5) and can only boot to bootloader, recovery seems erased since it will only reboot, same for system.
I cannot flash anything since get_unlock_ability returns 0....
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545
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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 ...
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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 ...
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User-settable Root of Trust supported devices
As mentioned in Android doc
Devices can optionally allow the user to configure the root of trust (for example, a public key). Devices can use this user-settable root of trust for Verified Boot ...
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Prevent Bypassing Android Verified Boot in custom ROM
Installing custom rom needs unlocked bootloader. so I unlocked bootloader.
I built a custom android 12 rom with AVB enabled for system and boot partitions and flashed it.
if I Installing apk through ...
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Bootloader unlocking not working on Nokia T20
I have been trying to install an Android 13 GSI my Nokia T20 WiFi tablet (Model TA-1392) reached its final update ever. However, in order to flash the GSI onto the tablet, it said that I needed to ...
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How executable binary can be signed?
On most Android devices, the bootloader checks following bootloader/software sign, right? Chain of trust. Signing technically means that the file must be encrypt with one (private) key and decrypted ...
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2
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How do I flash a custom kernel on Pixel 7
I built a custom kernel for my Pixel 7, to include the NFS kernel module. I'm struggling to flash this to my phone and get it loading.
After I flash this to my phone, the Google text appears, but not ...
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Are system image and system partition the same thing?
Are system image and system partition the same thing? Are boot image and boot partition the same thing? Been reading about system root and system-less root. On some pages it says you have to modify ...
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0
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Strange message after wiping data/factory resetting on Pixel 6 device
Last night, I flashed my Pixel 6 phone because I want to move to Pixel 7. After flashing, I turned on the phone for a while, and then I used the Recovery >Wipe data/factory reset option. ...
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1
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Stuck on the boot screen with locked bootloader - Pixel 6
I was trying to flash a custom ROM on my phone (Pixel 6) and something went wrong. i was following the instructions on screen and the last one was to lock the bootloader which I did. Now the phone ...
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Relocking bootloader on Asus Zenfone Max Pro M1 (ZB601KL/ZB602KL)
After a few dozen unsuccessful attempts to make TWRP recovery work and almost bricking my Asus Zenfone Max Pro M1 (ZB601KL/ZB602KL), I gave up and decided to relock the bootloader. But this turned out ...
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650
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Can't boot into bootloader on Oppo F1s
I can't get into fastboot mode on my Oppo F1s (A1601), Android 5.1.
Here is what I'm doing:
adb and fastboot are installed on Mac
I have developer options and OEM unlock enabled
In the terminal, adb ...
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1
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Force boot to bootloader (device always boots to recovery)
I was trying to flash TWRP onto my Android tablet (Lenovo TB-X306F), but something went wrong and it failed. Now, every time I boot, no matter what I do (sending adb commands or pressing physical ...
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Can a hacker unlock the bootloader of an android device remotely?
Is it true that you can not unlock the bootloader of an android device remotely and the only way you can infect the firmware or bootloader is to have physical access to the device.
What about rooting? ...
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Bootloader Is Unlocked But Yet Recovery Is Not Flashing (Fastboot Failed error)
I Unlocked My Bootloader And It Is Showing Me In Red Color (Bootloader:Unlocked) But When I Tried To Flash Recovery It Failed.
recovery is device specific so no problem in recovery.
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How do I extract the boot image from my ROM on my phone to modify with magisk? [duplicate]
I am trying to root my phone and I need to extract the boot img from the ROM on my phone preferably using the phone itself. Then I will modify the boot img with magisk.
How can I extract the boot ...
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How To Charge Android Phone In Fastboot (Bootloader) Mode?
My Android Phone Is Not Charging. Bootloader Shows The Warning Battery Low. I Accedentaly Erased /Boot /Recovery /System Partition. And Because Battery Is Low I Can Not Flash Boot.Img And Recovery.Img....
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Compiling Android Bootloader Little Kernel
I have successfully compiled Android bootloader from git://codeaurora.org/kernel/lk.git
It produces a lk.bin file which I assume is the code for the bootloader.
How do I pack that file into a ...
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106
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Choosing correct OTA
Android OS crashed. Error Message
Android Recovery
TCL/REVL_2_5052w/A30ATMO
8.1.0/OPM1.171019.011/VAR4A-0
user/release-keys
Think that means 8.1.0 = Oreo API level 27
https://developers.google.com/...
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How to recover files from a Pixel 3 XL that cannot boot anymore
My Pixel 3 XL is up-to-date regarding the OTA updates i.e. I have the latest firmware installed.
I've never done anything special regarding "tweaking", such as enabling the developer mode i....
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991
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Is it possible to dump the internal storage of an unrooted, boot-looping Android 9 with locked bootloader?
Is it possible to dump the internal storage of an unrooted, boot-looping Android 9 with locked bootloader via USB or to SD card, e.g. using some firmware tool in download or recovery mode?
If YES, ...
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