Questions tagged [boot]

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

287 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 ...
5
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
0answers
718 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
0answers
2k 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,...
4
votes
1answer
408 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
4k 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
votes
0answers
22 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 ...
3
votes
1answer
43 views

Can contact information from my lock screen be available without a password on startup?

I just got a Samsung Galaxy S9 with Android 10. In my current configuration, I have observed this rough state machine as it starts up. The Settings > Lock screen > Contact information is a ...
3
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0answers
64 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
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 ...
3
votes
2answers
2k 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
votes
1answer
767 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
731 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
115 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 ...
3
votes
2answers
44k views

Samsung S3 Cannot Enter Recovery Mode, and Can't Boot Up Either

I'm trying to fix a Samsung S3 which has been stuck on the boot logo continously, and cannot boot up. The phone keeps displaying the logo (which says "Samsung" and the phone model) when the power ...
2
votes
0answers
43 views

How do I troubleshoot the boot process ending up in the fastboot menu after LineageOS 17.1 upgrade?

I have an OnePlus6 (enchilada) which was working fine with LineageOS 16. I've just upgraded it to 17.1 following the official upgrade doc and using OpenGapps. Now, after the whole procedure, I am ...
2
votes
0answers
47 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 ...
2
votes
1answer
3k views

Samsung A20 SM-A205W stuck on download mode

I have a Samsung Galaxy A20 and I was attempting to unlock the bootloader and also install TWRP. While the bootloader was unlocked successfully, while doing the TWRP part I had to use Odin and used an ...
2
votes
0answers
223 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 ...
2
votes
2answers
5k 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
1answer
680 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 ...
2
votes
0answers
961 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
886 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
votes
0answers
82 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
1answer
8k views

How to edit splash.img which displays the boot logo in Snapdragon chipset devices?

As far as I know, most devices powered by Snapdragon Chipsets stores the boot logo (splash screen that shows up when device is switched ON) in a partition named 'splash' which contains splash.img Is ...
2
votes
0answers
435 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
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
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
200 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
39k 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
310 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
940 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
votes
0answers
277 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
481 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
463 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
4k 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
7k 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
0answers
19 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....
1
vote
0answers
20 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 ...
1
vote
0answers
31 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 ...
1
vote
0answers
32 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 ...
1
vote
0answers
29 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-...
1
vote
0answers
24 views

Boot a phone with a broken power button

I'm hoping if there are any ways on how should I boot my phone. I've researched multiple ways on booting your phone thru adb but my computer fails to recognize it although I have Samsung Drivers ...

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