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Questions tagged [boot]

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

7
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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 ...
5
votes
0answers
627 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 ...
3
votes
0answers
53 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
0answers
755 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. ...
3
votes
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
votes
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
0answers
650 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
votes
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
votes
0answers
87 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
0answers
76 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
votes
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
345 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
votes
0answers
55 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
votes
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
votes
0answers
191 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
0answers
301 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
929 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
0answers
270 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
0answers
475 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
0answers
460 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 ...
1
vote
0answers
71 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
0answers
42 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
42 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
44 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
64 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
135 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
0answers
751 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
94 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
vote
0answers
14 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 ...
1
vote
0answers
48 views

Android only TWRP starts which doesn't load

I've an Samsung Galaxy S7 with Android 7. I tried to updated it with Smart Switch. But after that, the phone ends with an "encryption unsuccessfully" error. I wanted to save my data, so I flashed twrp....
1
vote
0answers
146 views

LG V10 Mysterious Shutdown Loop

My phone is stuck in the strangest bootloop I've ever encountered. Last night my phone dropped to 0% battery, so I charged it on up and restarted it. I didn't look at it for a while but when I did it ...
1
vote
0answers
2k views

Android x86 not change resolution on Virtualbox and VMware Workstation

I installed android-x86_64-6.0-r3.iso and after launch I see: I tried to change resolution as described here: Android x86 Marshmallow not booting on Virtualbox and VMware Workstation https://www....
1
vote
0answers
32 views

Tablet with very long boot time, what can I try?

I apologize if this question is too open-ended, but I wanted to collect different ideas regardless of the specific tablet model. I've owned an Android 4.1 tablet for quite some time now. When I first ...
1
vote
0answers
51 views

Android Phone Off State and Boot process - Does Android consume power when switched off?

I am curious about the "turned off" state and the boot process after that in details. I found some good articles on this topic like this one: http://www.lieberbiber.de/2015/07/05/mediatek-details-...
1
vote
0answers
441 views

“Verification failed” upon startup after installing software update

My phone installed a software update and upon restarting, I get a 'verification failed' error message. It continues "Unable to restart you device. The integrity verification has failed. You need to ...
1
vote
0answers
147 views

Oneplus one is not starting as expected

My OPO(One plus one) with cyanogenmod (last update in August 2016) purchased 2.5+ yrs back, is not starting when it is connected to USB or starting to fastboot mode when it is not connected. It is ...
1
vote
0answers
175 views

LineageOS stuck on boot in Moto G1 due to WiFi error

I installed LineageOS on my Moto G1 (falcon) and after using it for a couple of weeks my phone restarted and got stuck on boot. I cleaned the cache in recovery mode but it didn't help. Afterwards, I ...
1
vote
0answers
1k views

LineageOS: run custom script (start service) at boot

Seems like a simple thing. How can I run custom script on my (rooted) android with LineageOS at boot? Neither creating it as /data/local/userinit.d/99sshd nor /data/local/userinit.sh did not help. ...
1
vote
0answers
366 views

Where should I place iptables update on Android at boot time?

I need to write specific values in the routing system using the iptables command for Android. The overall idea is that the user can navigate only using the provided DNS configuration. I've tried to ...
1
vote
0answers
82 views

LG G3 Verizon, No Boot

Last night I was using my Verizon G3, fully updated, not rooted, and it shut off and won't come back on. If I remove the battery it will begin to boot then go to black screen before it gets to the "...
1
vote
0answers
65 views

A question about Android recovery bootup sequence

What exactly gets copied into the /recovery partition when I execute the following command: fastboot flash recovery <my_recovery_image>.img As per my understanding, the recovery image contains ...
1
vote
0answers
1k views

Nexus 5 wont boot. Cant access recovery mode either

So my Nexus 5 just crashed (screen froze, i tapped power button once as if i wanted to activate lockscreen, led to it instantly turning off) and i cant get it to boot. It isnt stuck in bootloop though,...
1
vote
0answers
39 views

Boot Android disabling display

I know that android doesnot have a login prompt like linux and only has diplay to interact with the user. Still I want to boot Android without any display and I expect only the UART console prints of ...
1
vote
0answers
79 views

SwitchMe App crashed while switching to new user

I have installed SwitchMe app to use multiple users. When I tried switching to secondary user, the phone rebooted and stuck up on EULA and Diagnostics screen. When clicking next not responding and ...
1
vote
0answers
1k views

Can I replace my device's bootloader to grub?

Basically the title contains everything. I have an old smartphone lying around and I would like to change its bootloader. How can I know in which partition does it lie? How can I compile grub on my ...
1
vote
0answers
339 views

Removing charging animation from the tablet installed in a car

I've bought a no-brand tablet based on Allwinner A33 CPU running Android 4.4.2 to be put as a media system in a car. This tablet has few specific features which makes it suitable for the task but the ...
1
vote
0answers
425 views

Nexus 4 Crash after Google logo, now red flashing light

I got a really confusing problem at hand with my Nexus 4 right now. When I woke up in the morning, I looked at my phones screen. Everything was looking fine (and I had about three quarters of my ...
1
vote
0answers
95 views

My android stuck with page in Chinese

My device is a HTC desire 816 dual sim, and now the Android system is stuck on a form with Chinese language. Even after I performed a factory-reset it is still stuck with the same screen. So what ...
1
vote
0answers
844 views

Asus Zenfone 2 Stuck at White USB Logo

My device has stuck displaying a white USB logo on boot. I have already tried a hard reboot (press power + volume up and select 'reboot') but the logo remains. How can I get past this and boot the ...