Questions tagged [boot]

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

248 questions with no upvoted or accepted answers
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7
votes
0answers
1k views

How to get to know via command-line/adb where boot process hangs?

Question: (How) is it possible to get to know via adb where exactly a booting-up android device is hanging? My problem/ background information: I recently did changes on the automatic display ...
4
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0answers
642 views

Android Samsung S7 Auto boot on charger plug Script not working

I have successfully rooted my samsung Galaxy S7 using this tutorialhow-to-root-galaxy-s7-on-android-6-0-1-marshmallow/ Now i want to boot my mobile on charger plug when mobile is off. i found my lpm ...
4
votes
2answers
8k views

How to fix Cyanogenmod 7 hanging on boot animation after NO firmware changes

I've been using my Google Nexus S with Cyanogenmod 7 for about a year now. Sometimes it rebooted out of the sudden or locked up but all in all worked well. Today I rebootet the phone und since then ...
4
votes
1answer
402 views

Android restore bootstrap nandroid backup after a failed rom flash

I was trying to flash my Droid X2 to CM7, but it failed. Before I attempted the flash, I did a nandroid backup using an app called "system recovery" (MOTODX2_Bootstrap_signed.apk). I want to restore ...
4
votes
1answer
3k views

How does one disable the media scanner? (obviously on a rooted device)

Running a rooted Galaxy S2 with DarkyROM2 2.3.5 & SuperCore kernel. I have a 32 GB microSD card in addition to the 16 GB internal storage, and it takes ages to scan both when the phone boots. At ...
3
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0answers
56 views

Rooting Samsung Galaxy S II GT-i9100 (follow on Q'n)

I'm a newbie to digging into Android this deep, so please bear with me. FYI I'm more familiar with PC's, with a smattering of the back office side of things from muddling along. So any response ...
3
votes
1answer
539 views

Modify AOSP to run a specific shell command on boot in Android 6.0

I am trying to modify AOSP to run a specific shell command on boot. I tried to modify init.rc in system/core/rootdir/ to run a command on boot, but I could not make it work. I know that I should use ...
3
votes
2answers
1k views

Run a particular app on boot

I have a phone running Android 4.0 and I wish to know if it is possible to turn this phone into a dedicated calculator? When I say dedicated I mean - once the phone is turned on, it boots directly to ...
3
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0answers
1k views

How to change the boot logo, Not the bootanimation 4.2.2

Im trying to find out if I can change the boot logo, the one that shows up right before the bootanimation. Currently it show's me a linux logo. I am looking to either completely remove it or change ...
3
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0answers
1k views

How to make marshmallow obey `ro.secure=0`

I'm using a Nexus 5X with release 6.0.0 (MDB08M). I unlocked the bootloader with fastboot oem unlock, then created a boot image with a /default.prop file containing ro.secure=0. This appears to work,...
3
votes
1answer
703 views

Fast boot up on iMX6

I'm working with a development board based on Freescale i.MX6 ARM Cortex A9 processors. You can have more info about the board on this link. The Android version I'm using is the one provided by the ...
3
votes
0answers
661 views

Running your own .sh script at vold.decrypt=trigger_shutdown_framework via init.rc (android 5.0)

I want to workaround a vendor bug in an Android 5.0 phone (chinese, MTK, no proper source) Problem is due to a bug in some binary, /data is not properly released on vold.decrypt=...
3
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0answers
11k views

After splash screens, Moto G screen goes black. Stock recovery won't start either. What to do?

I have a one-year old Moto G (1st Gen) that suddenly today refuses to boot usefully (a boot loop? Not sure.), has a blank dark screen but backlight stays on. Tried to restart it using the power off ...
3
votes
0answers
2k views

How can I change preferred network type through a script (or terminal command)

I'm currently attempting to create a workaround for a problem that is plaguing a ROM that I'm using. While my phone and ROM are capable of using LTE, and use it perfectly fine, the "preferred network ...
3
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0answers
89 views

When and how is /data mounted?

I am exploring a bit on my Android device and I can't seem to figure out when /data is mounted. My first guess what it'd be in /init.rc, and while that file creates the /data directory, it doesn't ...
2
votes
1answer
3k views

How to turn off Nokia theme tune on startup?

My Nokia 6 always made the Nokia theme tune when it was turned on from being completely off. However, for a short period, I had another user account on my phone and it didn't make the noise every time,...
2
votes
0answers
796 views

How to add sound in custom created boot animation?

I successfully created a boot animation but I want to add sound to it. How do I do it? Unfortunately "PowerOn.ogg" in /system/media/ui did not work. Any help is appreciated. ...
2
votes
2answers
670 views

Stuck at Google screen, recovery mode just turns the screen black

I have rooted my Nexus 5 and installed CyanogenMod (Android 6) a few months ago. It has always been running fine, but today while scrolling a web page it froze, so I long-pressed the power button to ...
2
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0answers
77 views

Beginner question about Android ROM and boot process

I read tons of things about Android devices, but I did not manage to find an overview about the boot process. My technical level is okay to fully (really) understand how a PC boots. What I ...
2
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0answers
1k views

language is being reset on boot

I have recently purchased a new phone (Laude M8), which is the first Android 5.1 phone I have used, and also the first phone I have used which supports dual SIM cards. I have only one SIM card ...
2
votes
0answers
371 views

How to boot my Samsung Galaxy S4 mini when wall charger is plugged

I am Developing an Android Application, here i want my phone to start booting automatically when the phone is plugged into any power outlet without hitting any power button.I found many solutions and ...
2
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0answers
57 views

What to do when delete data option doesn't work?

I wanted to know if I can fix my Huawei tablet. It stopped suddenly and it didn't boot up normally. I forced it to boot by holding the power button and now it got stuck at Android logo. I tried wiping ...
2
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0answers
2k views

Samsung Galaxy S2 (i9100) stuck @boot & unable to flash

Nearly three years ago my Samsung Galaxy S2 (i9100) system completely broke (after about 1 or 1.5 years of what I would call normal Samsung usage :D - a lot of errors and problems, but usually fixable)...
2
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0answers
193 views

How to perform emergency call while “Android is starting…”

Sometimes when I start my phone I get this "Optimizing app" thing that takes about 10 - 20 minutes for it to finish. During this operation phone is unusable and reset doesn't help as the operation is ...
2
votes
1answer
36k views

Android mx tv box stuck at mbox logo

My Android TV box always gets stuck at the Mbox, "make your life colorful" logo, but it never goes to home screen, and also when I put the TV box into recovery mode I can't select anything, it just ...
2
votes
2answers
1k views

how to get my android to boot up and shutdown automatically

I want my android phone to boot up (I expect from a low energy state rather than off) automatically, run my app for a while, shutdown (ie return to low energy state) and repeat at intervals, say an ...
2
votes
0answers
304 views

Automatic turning on an android

i have found a solution of the problem of automatic turning on an android (not samsung), when battery is charging for this i've inserting the line /system/bin/reboot in the file /system/bin/ipod ...
2
votes
0answers
932 views

Nexus 4: Stuck on boot animation for baseband version != 2.0.1700.48 and android version > 4.3

The symptoms I'm seeing seem to be common, with many suggested solutions, none of which I've found to solve my case. I'm not sure to what extend it is related, but it happened after the screen was ...
2
votes
1answer
2k views

Where is the battery animation called?

I have a tablet from China, it's a Q8H Allwinner. It is rooted, and I've browsed the internal storage for hours to find the battery animation, I found them at framework-res.apk... Now I want to find ...
2
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0answers
275 views

Understanding the Android boot

I really want to run pure Linux on my Android-based device (please, no chroot, etc. suggestions), and I want to fully understand how my device boots, from the bootloader as far as the init system. I'm ...
2
votes
2answers
1k views

Can downgrading OS make Xperia Neo V, boot after a boot loop

My Neo V MT11i was upgraded to ICS a few days ago. Today when I turned on bluetooth, it started to reboot repeatedly. I tried to hard reset using sets of button as posted in some blogs but still I ...
2
votes
0answers
477 views

T-Mobile Prism won't boot

My t-mobile prism, will not turn on. It is unrooted. The only thing that happens is the backlight for the screen comes on and the buttons light up. When I try and boot it into recovery mode. Nothing ...
2
votes
1answer
1k views

Is it possible to keep track when my Android phone is startup and when it is shutdown?

Where can I get the information about when and what time my Android phone is being shut down and also being start up. (shut down / start up - meaning that someone press the Power button to cause it to ...
2
votes
0answers
461 views

Samsung Galaxy S stuck in boot loop when 100% charged

Before we start I should mention that I have not messed with the firmware in any way. But it seems that whenever I put it on charge and it reaches 100% capacity I turn it on and it gets stuck in a ...
2
votes
1answer
3k views

HTC One M9 - Stock, never modified. Bricked after OTA update 15/06/2017

Please note that: This phone has never been reprogrammed/rooted/changed in any way/anything else like that. It is as stock as the day I bought it 2 years ago. I am happy to do whatever it takes to ...
2
votes
1answer
6k views

Difference between bootloader and Download mode in Samsung Galaxy tablets

I'm working on Samsung Galaxy Tab tablets, specifically with Tab 3 (SM-T210) and Tab 4 (SM-T230), and being learning a bit about the boot and recovery images and the bootloader. I have not being able ...
2
votes
1answer
5k views

“Android is upgrading… Starting Apps” on boot

My phone is still stuck on "Android is upgrading.. starting apps" on boot. Earlier, my phone said "Unfortunately, Google Playstore stopped working" and I am unable to use my apps which needed ...
1
vote
1answer
78 views

Armv8 image stuck on booting process

I can't make it to boot an armv8 image (API24, Nougat, Android 7.0) to boot successfully in Android emulator. The Emulator software was updated today to the latest version. The first problem I can ...
1
vote
2answers
116 views

Redmi 3 stuck on bootloop with no recovery mode access

I have a Redmi 3 MIUI7 that I recently flashed with MIUI9 using TWRP. Right after flashing, I tried to boot it but it stuck on a bootloop. Since I haven't booted into the ROM and can't do so because ...
1
vote
0answers
113 views

Access file in sdcard from init.rc

I need to copy a file from the external SDcard to a location in the root partition, during the boot process (from init), after /data is mounted. I used Carliv's tool to add the following line to init....
1
vote
1answer
3k views

How to fix phone booting only into fastboot mode after flashing a custom ROM?

I have a Wileyfox Swift and I have tried to install lineageos 15.1 by following the tutorial that can be found on the lineageos website. I have successfully installed adb, twrp and used it to install ...
1
vote
0answers
48 views

Linux automount corrupts ext4 partitions of Android install?

I've been experimenting with dual-boot between Linux and Android on an x86 device which came with Android + Windows preinstalled (Chuwi Hi10 Pro). I soon found out that simply booting Ubuntu (either ...
1
vote
0answers
46 views

Android Galaxy Media Player 3.6 is stuck on startup screen and keeps flashing

I don't know how to do android recovery on this device since the home button is a touch screen. It's stuck on the Samsung startup screen and keeps flashing the logo. It won't fully turn on even when ...
1
vote
0answers
127 views

Android Automatically open a Webpage using Chrome on boot

I have an Android TV box plugged on a TV in a waiting room. I would like to have a web page open on Chrome automatically when I turn it on. Is it possible to do? Thanks
1
vote
0answers
97 views

I destroyed the bootanimation of my phone and now it's stuck in the boot screen (black screen)

So I rooted my phone (Cherry mobile flare 2) and tried to messed up with the boot animation file :3, I changed the bootanimation.zip and changed the pictures in attempt to manually change the boot ...
1
vote
0answers
155 views

xt1527 in boot loop with usb debugging disabled

a couple days ago my xt1527 started acting weird. Gapps started to crash out of nowhere. Today, every app that I tried to open crashed 2 seconds after, so I turned my device off to reboot and see what ...
1
vote
1answer
811 views

Samsung S6 Active Will Not Boot, AP Rom Flash Succeeds (Bootloader Flash Fails - EDIT: BL Flash Works, Device Still Won't Boot)

(See Update Below) Hi all and thanks in advance for your help. I am having trouble with my S6 Active. It has been stuck in a boot loop for a week now. It was running stock beforehand. I flashed a ...
1
vote
0answers
951 views

Missing internal SD card in /dev/block, phone won't start

Yesterday my Samsung Galaxy Note 2 froze I'd say. The phone was locked and when I attempted to unlock it, it didn't respond (black display, just the led blinking). So I shut it down with holding power ...
1
vote
0answers
141 views

How to set CPU frequency as early as possible?

What I mean by this question is the sequence of execution of scripts at boot time. Suppose I have this line of script: echo 307000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq I want ...
1
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0answers
17 views

Suggestions to boot OnePlus 3T without any physical buttons?

As the title says, any suggestions for this would be welcome as I have lost the use of both power and volume buttons. Device is not rooted, running Oreo. I have access to both Windows and MAC ...