Questions tagged [boot]

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

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19 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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30 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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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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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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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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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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118 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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548 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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217 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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1answer
159 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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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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286 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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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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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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1answer
29 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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15 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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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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17 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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1answer
195 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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1answer
106 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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48 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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1answer
68 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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46 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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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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29 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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30 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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362 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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51 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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1answer
38 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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54 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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43 views

Unable to add an app to auto startup - Realme X2

I can't receive notifications on my Realme phone, unless the app that is receiving the notifications is running in the background. Recently I installed Google Duo, after Hangouts stopped working, but ...
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1answer
71 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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49 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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93 views

How to install recovery image with fastboot? (Asus zenfone go 5.5 zb551kl)

I have an old phone "Asus Zenfone go TV zb551kl" and I am trying to fix it so I can give it to my nephew. It had a problem where the only thing that it can load is the "fastboot". ...
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62 views

Sony Xperia Z5 turning off after showing Sony Xperia boot logo

Here we are, I have a Sony Xperia z5 dual. I do not want to use flash tools and lose my data. The problem is that my phone starts and when it tries to load android it turns itself off and the red LED ...
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1answer
104 views

My Android phone does not start - how to isolate hardware issue?

I use Moto G6 ALI with a custom ROM Pixel Experience running Android 11. So far so good and I was using this setup for almost two weeks as my daily use phone. Today suddenly the phone froze when ...
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1answer
55 views

How to determine the boot order of auto-starting apps?

Some apps boot and run in the background when an Android phone boots. WeChat is one example. It starts automatically so that the user can receive messages in real time. My question is how to view and ...
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107 views

Android Bootchart log analysis

We're running Android 11 on the custom board. We're using bootchart tool for calculating the Android bootup time. Bootchart logs which are generated after enabling bootchart for which we're not able ...
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12 views

SM-T237P Samsung Galaxy Tab 4 Boot when plugged in

I have a SM-T237P Samsung Galaxy Tab 4 that I want to modify to Boot when plugged in / power is applied. I have the phone rooted but cannot find a way to access the file needed to modify. I want to ...
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0answers
109 views

Empty ramdisk in boot.img

I have a copy of the boot.img from my HTC M8 one. I unpacked it and discovered that it is mostly empty directories and one binary "init" file. I was hoping to find an init.rc in there. Any ...
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200 views

How to remove DuckDuckGo browser from ArrowOS?

I recently installed ArrowOS on my phone but it comes with the duckduckgo browser which really annoys me with constant notifications and overall I hate it. How do I remove it safely from the system so ...
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1answer
207 views

htc u12+ flashing twrp, stuck booting

I've been trying to root my HTC U12+, and I've been stuck trying to boot twrp onto my phone through adb commands. .\fastboot boot twrp.img Sending 'boot.img' (32424 KB) OKAY [ 2....
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466 views

How to make a bootable ISO from Android CLI? (via Termux or Proot-distro)

I know there are some .APK apps that do it, but none seems to work for me (but if you have any suggestions, I'll try). I have LineageOS on my PC. So, my question is How to make a bootable stick with ...
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205 views

What is the format for an Android ROM?

I downloaded a ROM for a Xiaomi phone to see what's inside. It's a zip file, that has these inside: boot.img META-INF system.new.dat.br vendor.patch.dat ...
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29 views

Galaxy S3 : Impossible to go to recovery or download mode

I've just get an old Galaxy S3, with this mission to backup existing photos on it. Of course, it's not rooted and not backuped... :) Original setup (ROM, ...) When starting it it's stucked on Galaxy ...
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68 views

How to automatically force stop a user-specified application after every reboot

One of my phones is a Samsung Galaxy Edge S7. One of the apps, Samsung Pay, is uninstallable bloatware. The problem is that when Samsung Pay is running it takes up the bottom edge of the home screen ...
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84 views

Is it possible to boot from the SD card on the HDK8150 board?

I recently acquired the HDK8150 board. I am pretty interested in running a non-Android Linux OS there. After some hours of going through I found some interesting stuff: I found that from Linux kernel ...
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117 views

can't enter recovery mode after flashing resurrection remix v5.8.5 android 7.1 in Lenovo vibe k4 note

recently I have been trying out new roms. When I flashed resurrection remix v5.8.5 on my device (Lenovo vibe k4 note) via TWRP recovery, after that the room was working fine, but magisk came pre-...
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1answer
50 views

Apps automatically start at bootup

Up until recently whenever I started Android up on my phone, no apps were started with it. Now, since an update I assume, whenever I turn my phone back on, any apps that were on when I turned it off ...

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