Questions tagged [boot]

Use this tag for issues with the "boot-process" of your Android device.

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TWRP boot freeze (Pixel 5)

I'm trying to install TWRP for the first time on my Pixel 5. I followed the instructions on https://twrp.me/google/googlepixel5.html, downloaded the latest image and bootet it with: PS C:\platform-...
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1 vote
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Pixel 3 stuck in fastboot loop after flashing factory image

The problem After trying to flash a factory image of Android to my (previously working) Pixel 3, I can now no longer exit the bootloader, nor can I boot into the system. The bootloader simply reads no ...
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Halp...soft-bricked A40 after uninstalling apps ADB [duplicate]

I may have just messed up my smartphone and really need your help. I wanted to get rid of some of the bloatware on my A40 and read online that one can actually uninstall many apps via the Windows ...
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Samsung Galaxy AO1 (SM-S111DL) stuck in download mode, boot verify image load failed

How do I get past download mode (boot verify image load failed) on Samsung A01 (SM-S111D)?
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1 vote
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unable to boot new kernel with kexec on android

As an alternative to pstore (pstore/ramoops won't work on Poco M3, rooted), I'm trying to boot another kernel into my already booted android kernel, to maybe see the kernel logs on boot, using ...
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pstore/ramoops won't work on Poco M3, rooted

I'm trying to use pstore logs on my Poco M3. I tried everything. PSTORE configs are activated on the kernel, pstore module is loaded on the phone, phone is rooted, /sys/fs/pstore is mounted ...
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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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How to fix tecno spark 7 PR651 struck at boot animation?

I was trying an experiment on bypassing factory reset protection(FRP) on my Tecno Spark 7 F6317 PR651 Android 11. I bypassed the setup screen enter chrome and download Google Account Manager(GAM) and ...
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Trusted Grub build that I can't find for Android x86

I have this on my system, yet I can't seem to find this build anywhere - can anyone help me out here TRUSTED GRUB now booting "Android x86 2018-04-06"
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Is it possible to modify stock boot image from Android 11 to allow running Android 12 GSI ROMs?

I am trying to run Android 12 GSI images on a phone with stock Android 11 boot.img. I know that the boot partition is somehow incompatible with the GSI ROMs of Android 12. Would it be possible to ...
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  • 101
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1 answer
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GPT weird partitions, ROM dump problem, MTK phone

I used WWR MTK Tool and SP Flash Tool v5 to dump and analyze preloader and GPT from a new Oukitel K15 Pro phone with Android 11. Oukitel haven't posted the ROM for this model for some reason. Managed ...
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How to repack Magisk boot image? (Magisk installed)

everyone. I have a OnePlus 5t, updated to Android 9 and Project Treble. I have my own Magisk module for my own tweaks, but I am not satisfied. I found that I need a patched init.rc in order to have ...
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1 vote
0 answers
42 views

How use Live boot on Android devices?

I want Live boot a Mobile Linux distribution(for example Mobian) on the Android device. I also have an adb and fastboot and my device is rooted. Is there a way to Live boot on Android? Sorry for my ...
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Can't run `fastboot boot kernel` on Poco M3

I'm trying to boot a kernel without flashing it, on my Poco M3. I already unlocked the booloader and I'm on fastboot mode. Some fastboot commands like reboot work, but for fastboot boot, I did ...
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How to load android shared libraries

How does Android load /system/lib/*.so libraries? How does the system knows what file is for what purpose. Is there a database or list of expected.so files and their functions?
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2 votes
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124 views

Can't boot into Recovery mode. Prestigio Multipad 2 Pro Duo 7.0

so I've had the Prestigio Multipad 2 Pro Duo 7.0 for a hell of a long time. Sitting in a box, the tablet worked fine when we bought it back in like 2015 for like 2 - 3 weeks and then we started to run ...
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0 answers
197 views

Disabling dm-verity using 9008(edl) mode?

My device blocks fastboot flash command, so I can only flash images using QFIL under 9008(edl) mode. By enabling OEM Unlock in dev settings, Magisk-patched boot image works well. However, when I flash ...
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67 views

Problem adding Android Bliss OS to GRUB

Here's what's going on: I have an ACER laptop and it has Linux Mint, Ubuntu, Windows. It had an old Linux Mint Sarah partition that I reformatted into EXT4 for a Bliss OS installation. (I have tried ...
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1 vote
0 answers
63 views

flash boot.img to use the kernel

why to flash a kernel i need a zipper anykernel 3? i can't flash directly the boot.img of a rom, example (PixelExperience) to have oniichan kernel on (LineageOS)? i'm absolutely new in the world of ...
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1 vote
0 answers
63 views

How to make and enable a bootable MicroSD?

I was trying to root some Huawei and Samsung phones, but these do not come with the option to enable the oem unlock option, and the partitions and files are in read-only mode. So I was thinking of a ...
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booting Android x86 live from USB-Stick => How to access USB-drive-data?

I used rufus to create an Android x86 on an old 4GB-FAT32-USB-Stick. Downloaded the .apk I want to use. Started the Android live off the stick. NOW How do I access the USB-Sick from the running live ...
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1 vote
0 answers
136 views

How to enable adb in frp locked phone?

By editing boot.img-ramdisk with ro.secure=0 ro.debuggable=1 persist.sys.usb.config=mtp,adb, packing again with mkbootimg produces boot.img. Heimdall is used with partition information table, and ...
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1 vote
2 answers
44 views

Can I fix a bootloop for non available storage by mounting a SD card?

I was receiving an alert from Whatsapp saying that my storage went full, so I wanted to clean it up but this morning I saw my phone and it got stuck in the boot logo. The weird thing is it lets me to ...
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0 answers
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Booting pixel4a from source stuck on google boot screen

Building Pixel 4a kernel Asked this same question and then closed the topic without actually answering it. When building and flashing pixel3a, following instructions on https://source.android.com/...
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1 vote
0 answers
168 views

Samsung M31S screen is frozen at startup, it boots up but the screen stays frozen until sleep or power button press

The phone was used for 2 months and the front glass got cracked but its really not that noticeable. After 6 months of use the phone died while using it. It was dead but after ODIN stock flash the ...
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1k views

How to Autostart App on Android TV

I'm using an Amlogic TV Box with Android 9. I'm trying to get an app to launch at startup, but the app will not launch. The method I'm using is: /data/local/userinit.sh #!/system/bin/sh am start com....
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1 vote
1 answer
300 views

Building Pixel 4a kernel [closed]

I'm trying to build my custom sunfish kernel on pixel 4a, note that the system is unlocked and rooted via "Magisk", After building success (for test I didn't change anything on kernel source)...
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1 vote
1 answer
246 views

Modifications of vendor image on Android 10 - alternative idea

Further to my earlier question here and according to the "Mounting Partitions Early" article, I'm looking the correct way to implement my new idea: Skipping the mounting in the startup of ...
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0 votes
0 answers
92 views

black screen after grub menu in android-x86

I installed and ran android-x86 5.1 on virtual box and it was run. But I had problem with mouse pointer because of the guest additions. So I installed it on gnome boxes but after grub menu screen is ...
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3 votes
1 answer
314 views

Where is Boot flow screen displayed in android

I have came across Boot flow and when there is based on boot state of a device, it shows different colot screen. YELLOW: Warning screen for LOCKED devices with custom root of trust set ORANGE: Warning ...
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1 vote
0 answers
144 views

Samsung stuck at boot Lineage OS boot animation after flashing GSI

My device is Samsung Galaxy A9 2018 (SM-A920F), A/B and TWRP unsupported. Therefore, I combined system.img (Andy Yan's Lineage OS 18.1 A/B), vendor.img and boot.img (both are stock) into a single .tar ...
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1 vote
0 answers
59 views

How to get information parameters from kernel after boot loads android?

when an (Android) bootloader starts loading kernel, it passes some parameters to the kernel (for example androidboot.verifiedbootstate, ...),how to get the information whether boot gets successful or ...
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1 vote
1 answer
35 views

Data partition corrupted TRT-LX2

Please read this question first!!! I've disabled dm-verify and then it says the data partition is corrupted! I did a low-level factory reset, but it is still showing that annoying message when I try ...
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19 views

Boot on charge not working LPM file

I want to know if there is a app that can allow me to edit and save the original lpm file. I cant manage to find one app far that. I`ve tried to unpatch the boot file, but it does not work. I`m for 5 ...
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0 votes
0 answers
47 views

Boot on charge. Samsung tab A7 T500

Ive rooted it and tried to change the lpm, gave the permissions root shell read write execute. Followed every step right used the code while the tab was on with a code executer it worked, BUT I think ...
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0 votes
0 answers
26 views

Tab s2 auto start when plugged in

I've edited files to get a tablet running Lineage to auto start when plugged in but having issues with a Samsung tab s2 running rooted stock firmware T719. Adding an off_power rc script, which is the ...
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1 vote
1 answer
408 views

How to get out of TWRP without touchscreen and functions

I am running LineageOS 18.1 on my Raspberry Pi 4 with 4 GB (using this ROM: https://konstakang.com/devices/rpi4/LineageOS18/). It worked, until I tried getting into TWRP to root the device. But, since ...
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1 vote
1 answer
240 views

how to get data from Android phone internal memory in downloading or recovery mode

My Yotaphone 2 started to boot loop (can not finish booting). I can only reach "Downloading mode" or Android system recovery with options: "reboot system now" "apply update ...
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1 vote
0 answers
55 views

How to always boot in recovery mode?

I'm using Magisk and, because my device (lavender with Android 11) does not have ramdisk in the boot images, I have to boot in recovery mode (not to recovery, only in recovery mode) every time I want ...
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1 vote
1 answer
122 views

Secure boot requires PIN (2 tries left untill factory reset the phone)

I have a situation where I recently set PIN, activated Secure boot and booted up my phone and entered the PIN incorrectly 28 times. Now I have two times to enter the PIN correctly else the phone will ...
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1 vote
0 answers
120 views

Boot image header fields are invalid

I want to install TWRP on Redmi 5 (Rosy), during installation everything works normally. But when I want to boot into TWRP, fastboot boot TWRP.img a failure message appears on the ADB command line. ...
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1 vote
0 answers
39 views

Redmi 4X (santoni): Abruptly shuts down just before booting into OS

Here's a TL;DR - I can't boot into my OS,phone shuts down after being in boot screen for some time but I can boot into fastboot and recovery. I flashed another custom ROM after formatting my device ...
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2 votes
0 answers
32 views

Is there a Boot ROM within other SoCs? [duplicate]

I was researching on methods to try and recover my data and I learned something interesting, a user 'kuruczgyurci' posted: This does not exactly answer the original question, but since I managed to ...
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1 vote
0 answers
32 views

Samsung mini data recovery

I'm trying to do a data recovery on a Samsung mini that was dropped in water (I think). The phone won't boot past splash screen and developer access isn't enabled. The best idea I've come up with so ...
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1 vote
0 answers
498 views

Realme C2 phone bricked, bootloader locked, can't access fastboot or recovery mode, not getting connected to PC

My Realme C2 phone has been bricked, it had bootloader locked, and I can't go to fastboot or recovery mode, it is not getting connected to PC. After booting the phone, it shows this screen and not ...
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1 vote
0 answers
69 views

HP Slate 7 VoiceTab not entering Recovery Mode

I have a HP Slate 7 Voicetab running Android 4.4. I was trying to root it through Kingo Root and then flashing with a custom ROM using TWRP. But I think I made some mistake and now it won't boot to ...
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0 votes
1 answer
39 views

AOSON M12 won't boot up

An AOSON M12 won't boot up. When I connect it to USB Charger or USB PC Port, it shows the logo, then a loop-boot animation forever. Found this thread on XDA: https://forum.xda-developers.com/t/cm10-4-...
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1 vote
0 answers
73 views

Xperia XZ1 won't boot after changing to pseudolocale

This would be the most ridiculous brick I've encountered 😄 What I did: Having enabled Developer options, I tried setting cibarA [XB] (Arabic when reversed) as my main language. As I figured out now, ...
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1 vote
1 answer
129 views

How can we avoid folders auto-creation?

There's a way to manage these system folders? I am struggling with some folders that are automatically created at boot, by system on the SD card, but I don't want them! The folders are especially the ...
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2 votes
0 answers
63 views

What makes the android boot sequence different from Windows boot sequence?

I've just studied the Windows boot process (theoretically) and now I want to compare the Android's boot sequence with the Windows boot sequence. One point I've found is that in Windows there is BIOS ...
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