Questions tagged [boot]

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

277 questions with no upvoted or accepted answers
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871 views

My Samsung Galaxy S2 is not charging; it heats up when connected to a charger and it doesn't boot

I have a Samsung Galaxy S2 GT-I9100. I had recently installed Cyanogenmod from CM Installer. But one day while I was flashing the stock ROM via Odin, the progress bar was stuck at factoryfs.img and ...
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53 views

Secure boot while still being able to keep up with nightlies

Following this great answer, I've secured the bootloader on my Nexus 7 deb by using fastboot oem lock and installing the original Google-provided recovery image. However, I now have a dilemma. Here's ...
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937 views

Tablet stuck in boot animation

I have this tablet, MSI Primo 91 and just recently I booted into recovery mode in order to wipe the cache. On restart the tablet gets stuck in the manufacturer boot animation and refuses to boot up. ...
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1k views

Allwinner A13 tablet stuck on boot screen

Okay, here's the deal- I received a generic Chinese tablet from a friend in early January, and it worked well for about two-and-a-half months. Then, just recently, I discovered rooting and the ...
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244 views

Android can't boot — displays booting splash until battery drains

My Android can't boot. It displays the booting splash (a sci-fi planet-like image) until the battery drains. Is this condition what's referred to as a boot loop? Is there any chance to recover? ...
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330 views

Samsung Galaxy S Captivate stuck at the boot screen

I have a Galaxy S Captivate and it has been problematic ever since. I flashed various stock roms (with and without bootloaders) in download mode and the phone always gets stuck at the boot screen (AT&...
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263 views

Android crashes in a Bak BK-NB711G

I have a netbook device running Android, Gingerbread 2.3.x, but it does not load. Upon boot-up, it is forever stuck on the familiar splash screen with Android written on it. Can someone help me? ...
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1answer
2k views

Prestigio MultiPhone 5430 and nonexistant boot/recovery partitions

I've got the Prestigio MultiPhone 5430. It's built on Intel Medfield platform. The phone isn't popular as it was released about 6-7 months ago. Because (as far as I know) nobody before me has tried ...
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1k views

Can't boot because of deleted com.android.launcher2

Stupid me deleted the com.android.launcher2 apk file (located in system/app) thinking that my tablet will boot with another launcher I installed and now it doesn't boot up (gets stuck in loading ...
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70 views

why my htc status goes back to its rom defult settings after restart?

i have HTC status i had unlock and root my phone and also i created a 2nd ext3 partition which i linked it with Link2SD in order to improve internal memory. then i installed a bunch of different ...
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124 views

Exotic case of Galaxy Nexus not booting

Symptoms : Put battery into Galaxy Nexus (tried with two different including a brand new one) Plug cord to USB host or charger Large battery charge indicator icon appears in the middle of the screen ...
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383 views

Snapshots suffer from Short Term Memory Loss?

I have seen that despite repeatedly saving to snapshot, periodically (once in about 3 attempts to launch from snapshot) I get the error: emulator: ERROR: Unable to load VM from snapshot. The ...
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2k views

Can't boot phone or access recovery mode

I tried updating a custom ROM on my Samsung Galaxy S: Semaphore Version 9 (Android 4.2.2 Jelly Bean). The update was successful except that it produced an error after completion saying the process "...
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497 views

how to lower boot up time? (many apps 122, rooted device)

[old subject: link2sd not mounting second partition, "quick restart" fails too] [IMPORTANT: boot time took 20 minutes, see at the end...] My phone suddenly reboot (while I was sleeping), ...
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283 views

Samsung Galaxy tab 10 does not start up

My tablet won't start. With the USB cable connected I can start my tablet using the "power & volume" trick. When in prompt menue for various reboot options it says in yellow text Can't access ...
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828 views

Extract boot.img issues

I have been having a lot of trouble trying to extract a boot.img. Its one of Samsung's with the funky headers so none of the scripts work. I tried HEX editing it so it is a gzip (1f 8b 08) and ...
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2k views

Android X86 and Grub

So I've installed Android X86 on my wetab tablet, using the corvus mod files found here, but for some reason, my tablet now boots right into a grub 0.97 command line (I suspect it does this because ...
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1answer
83 views

Device Can't Power Down

I have an Android device which had a custom os..It was for educational purposes and I could not even open another app on it. After the end of the subscription period I thought of using the device. I ...
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2answers
723 views

my Xperia l not starting

I tried to install a custom rom on my Xperia L,but it aborted. Now my handset isn't booting up, when powered on it just shows SONY logo. What should I do now ?
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11 views

How to multiboot 2 Android-X86 distro? (for instance PrimeOS and Bliss OS)

How to multiboot 2 Android-X86 distro? I tried to make a dual boot with Bliss OS and PrimeOS. I installed Bliss OS to its dedicated partition on my hard drive. It was perfectly booting and working....
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42 views

PrimeOS not booting up

I'm trying to install PrimeOS on a device that already contains Ubuntu + Windows 10. I tried two ways to install a bootable USB and copying the files the ISO to a folder in Ubuntu file system and make ...
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1answer
143 views

Stuck on Logo during Android-X86 Boot

Hi can i please get some help, im trying to install Android x86 on usb, for my new hp laptop i have followed the instructions on android x86.org my issue is that after initial install it never ...
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16 views

Reakme c2 stuck at orange state

I tried rooting my phone but its stuck at orange state and saying your device is unlocked and cant be trusted and it is stuck at that endless boot loop someone please help it is REALME c2
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33 views

Waiting for boot, but getprop sys.boot_completed is not defined

Want to know when a emulator device is ready to run tests. Unable to use the guidance given in how to adb wait-for-device until the home screen shows up? Mainly because the Android/SDK level of the ...
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20 views

Use AOSP generated boot.img with Android 10 factory images

Is there a way to use a boot.img generated by AOSP sources with factory images of lets say sailfish (Google Pixel)? I used to do this in the past, but now this results into a bootloop. logcat haven't ...
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8 views

Moto E 6th Gen want boot up

It say's boot image missing and want boot up or go into recovery mode i've tried using ADB but it say's device null not found. Please i need HELP can anyone help me
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47 views

Recompile kernel: no errors but it doesn't work

I'm a beginner, and at the moment I'm trying just to repack original boot image. I've discovered that boot partition is on the "/dev/block/mmcblk0p7", so I pulled it with adb pull /dev/block/mmcblk0p7 ...
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27 views

After pressing Android (Samsung Tab A SM-T580) power up button is it possible to boot to certain user?

I have since created a second account on my android tablet for my 9 year old niece which she will be using most of the time however if it has been powered off it initially boots back to my accout and ...
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10 views

z3 play not starting

I have a motorola z3 play used for about 12 months. It has worked fine and all of a sudden it crashed. It does not start on pressing power button. I am able to charge it and also take it to fastboot ...
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51 views

Can I root android by booting from an sdcard?

Digging for that, I found various resources on the net to boot Android from sdcards. Doing that would make possible many things what are generally unavailable in phones. For example, it would be ...
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1answer
42 views

Samsung J5 stuck in boot loop after factory reset

Phone was rooted and working fine I did a factory reset Now, it seems to just boot into the Samsung animating logo that does not go away... I'm able to boot into the recovery mode and view the logs. ...
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48 views

Android boot.img installing BusyBox with Dropbear

I have installed TWRP on my device, extracted boot.img. Initially I just wanted to build Dropbear for Android and make it run from boot.img. I don't need any app to have root access. What I would ...
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53 views

Is there any way to recover from an over-written android system recovery, or what else might cause a Pixel XL not to enter fastboot from recovery?

This is an attempt to sideload an update to a Google Pixel XL stuck in a boot loop. Following this answer from the official Google forums, I tried this procedure as linked in the chosen answer. ...
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176 views

Is it possible to boot a Android smartphone without battery with charging wire on?

Problem The title of this post seems a funny challenge. But frankly, there are a lot of worthy points involved in this question. If a Android phone support rapid charging. If its battery is removed, ...
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116 views

Android Pie Remove Startup Sound

I want to remove startup sound from a samsung A10 and samsung A40 (both with android PIE on it). I could find an option to do that on other Android Version (Nougat for instance), but not on PIE. On ...
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361 views

Unable to Unpack android 10 boot.img properly

Devices : sanders & rolex Unpacking/Repacking boot.img was fine upto android 9 on most roms. But, Unable to Unpack "boot.img" of android 10 roms, tried boot.img from Android 10 based Havoc, ...
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57 views

Are there (developer) tools to remove files from Android “Rom” cache, if the smartphone doesn't start properly?

(I have also asked on stackoverflow, as I assume the use of developer tools is neccessary, but I would be very glad to get any working help on here also. The Google Photo App filled up the 16 GByte "...
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95 views

Set a password at boot before recovery mode on Android Q Huawei P30 Pro

on my old cellphone, I could set a password that was asked at startup to protect it I did not find any similar setting in Android 10 I need help to properly secure my cell phone in case I lose it
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20 views

What does Kindle Fire Optimizing Storage and applications actually mean?

Every time I boot my Kindle fire 10 7th gen, it does this. Sometimes displaying "Optimizing Storage and applications" with progress bar for up to 10 minutes. The flippin thing runs out of battery ...
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238 views

How to create without sparse flashable.img through adb shell?

Created an image of /system/ by the command dd bs=4k conv=sync,noerror if=/dev/block/mmcblk0p21 of=/sdcard/system.img it created a 2.2 GB file when i flashed it by command fastboot -S 500M ...
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24 views

What happens in low level when booting a Android Q (10) device?

I have read this article which introduce Linux booting process. However, even if Android system also use Linux as kernel, the surrounding software is greatly different. So I have searched this post ...
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53 views

Tried rooting Galaxy J7 prime, won't boot. Help

So, I was trying to root my Samsung Galaxy J7 Prime. This was the first time I tried rooting anything. I ticked OEM, downloaded Odin and TWRP following the guide on https://odindownload.com/root-...
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23 views

I want to play video on android box startup

I want to play a video stream eg rtmp or hls on boot through MX player or any other. how can it be done?
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45 views

Android Lollipop Boot Issue

ASUS Zenfone 5 A501CG ; Switched Off, Power button and Volume buttons are broken. When I connect charger It shows USB Sign and goes off as shown in Video Link. Please Watch It. I have Important ...
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35 views

How to switch on Samsung Galaxy when Power Button jams?

Since my smartphone's casing is so tight, I had to press the buttons harder, until the power button got permanently stuck. Now I dont't know how to switch on my Samsung Galaxy without using its power ...
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20 views

Samsung Galaxy Core Prime stuck on boot screen

I am trying to boot this phone to retrieve pictures from it but it wont go past the boot screen. Is there any way to access the memory from my pc to pull them off. I have tried every way I can find to ...
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20 views

Boot priority for background apps

Android 7.1.1 on Galaxy Tab A. I am trying to use an app like "Force Rotation". It does start automatically, and runs as background activity. However, it takes a long time to start on a boot. ...
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38 views

Add a custom script in init.rc in a Custom ROM

I am trying to add a script in a custom ROM on a Galaxy Note 4 I've done the unpack and repack process on boot.img by modifying the init.rc file. But every time I try to reboot it stops at the home ...
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233 views

How to enter recovery mode with an OTG keyboard?

I would like to know how to boot my Mediatek tablet into recovery mode by using a physical keyboard (OTG) because my volume key doesn't work. And I can't boot to the OS to enable the USB debugging.
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47 views

Can I give permanent volume increase permission to my phone?

I use Android 7.0. My phone asks a permission about increasing volume level after every boot if I want to increase the volume level. Is doing this mandatory after every boot or can I disable/by-pass ...