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Questions tagged [boot]

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

0
votes
1answer
27 views

Tcl S960 not booting

My tcl s960 didnt come with the playstore and some essential google services to make some apps work, while trying to fix that i had to root the phone and mistakenly deleted frameworks from system ...
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,...
2
votes
0answers
771 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. ...
0
votes
2answers
3k views

Oneplus 2 Stuck in boot animation after root

so I recently tried to root my oneplus 2 to be able to flash cm13 onto it. I followed the guide oneplus provided on youtube (https://www.youtube.com/watch?v=KZaajUEybNM) exactly and got the same ...
0
votes
1answer
2k views

Lenovo vibe K5 is not turning on anymore

I have rooted Lenovo Vibe K5 and i had installed CM 13 (Marshmallow) it was working good cause of some need, i had to install CM 12.1 (Lollipop) and i tried installing through TWRP recovery CM 12.1, ...
0
votes
1answer
277 views

Autoboot LG Android Phone

How can i setup my LG Sprint Phone Model LGLS885 to auto-boot when plugged in. there is instruction on the web to modify the lpm file, but there is no lpm file in system/bin.
0
votes
1answer
621 views

Autoboot android device when plugged in

I am trying to auto-boot my Samsung s4 mini (model SPH-L520) I have searched already the web with instruction to change the lpm file to #!/system/bin/sh /system/bin/reboot but it does not work on ...
0
votes
1answer
4k views

Moto G stuck on the screen “Warning bootloader unlocked”

I'm trying to solve a problem that is affecting a Moto G 2014 XT1069 device. What happened is that the device did shutdown, then when trying to power it up again, it stayed stuck on the Motorola logo ...
0
votes
1answer
558 views

Recovery mode wouldn't show up after installing cyanogenmod 13

I have rooted and installed Cyanogenmod 13 in Lenovo vibe K5 (previously it has lenovo vibe k5 lollipop version) and since then i am trying to enter into recovery mode by pressing "Volume up +Power ...
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 ...
0
votes
0answers
174 views

Why phone screens have full brightness during boot time?

A simple question. Why do phone screens have to be set at full brightness during power-up? (Maybe at that time the hardware's light sensor/s is initializing?) Why did the developer/manufacturers not ...
0
votes
0answers
51 views

Nexus 5 + TWRP: Booting to recovery works about 40% of the time

I have a Nexus 5 with TWRP as my recovery. I've encountered and issue over the past few months. When I reboot to recovery from the OS, or from Fastboot, it'll stay at the boot screen a bit longer ...
-1
votes
1answer
2k views

Phone stuck on bootloop ? HTC desire 826

I tried to root my phone using twrp. after i rooted it using TWRP my phone isnt turning on... its stuck on boot logo (HTC) I cant turn it off ? How can I turn it off ? Edit : it's solved and the ...
1
vote
1answer
1k views

Marshmallow not bootlooping, but not starting

Edits and logcats below. What Happenned: A few days back it left my phone (Mediatek chipset) to charge overnight. What I did not notice was that the charger was loose and the charge was at around 2%....
1
vote
2answers
4k views

Problem booting into TWRP recovery when rooting SAMSUNG Galaxy XCover 3 (SM-G389F)

I am trying to root SAMSUNG Galaxy XCover 3 (SM-G389F) with Android 6.0.1. I successfully flash the latest TWRP (twrp-3.0.2-0-xcover3ltexx.img.tar official site) with Odin 3.12. In Odin I ...
0
votes
1answer
436 views

Unpacking 'Non-Standard' Boot.img Problems for 64 Bit Device

This is in relation to this XDA thread and my thread on xda. This is a cross post from XDA, trying my luck on here. I also asked this question on Stackoverflow, but am covering all my bases and ...
0
votes
1answer
316 views

Nexus 10 not booting, showing Google and lock icon when turned on

This is odd. My Nexus 10 has been working great a quite a while now, but now, suddenly, when I turn it on, its quickly shows a Google title in the middle, and a lock icon at the bottom (in landscape ...
2
votes
2answers
660 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 ...
4
votes
2answers
8k views

Set Warranty Bit: Kernel

So whenever I boot up my device or restart it I see a little yellow message in the top left corner of the screen that reads "Set Warranty Bit: Kernel." I have researched this issue and learned that I ...
2
votes
1answer
1k views

Allow instant boot after phone with empty battery is connected to power

Let's say my phone is out of battery, and has turned itself off. I get to a charger, and connect it. Maybe I need to make an urgent call. But my phone refuses to boot until the battery is at 5%. It ...
0
votes
0answers
286 views

LG D620r stuck on bootloop after flashing TWRP

I've recently tried to install Cyanogen Mod for my LG G2 Mini (D620r) - i downloaded all required software and double checked if that's for my phone model. I've rooted the phone, unlocked the ...
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
2answers
803 views

Pokemon logo (Cubeon) showing on my boot screen

I recently installed "Pokemon Go" game in my Redmi Note 4G. The game is working fine. But I noticed something peculiar in my booting screen. It shows up just after the MIUI logo. I took a photo and ...
1
vote
1answer
652 views

Booting into twrp unsuccessful

Followed the steps mentioned in http://www.droidape.com/install-twrp-and-root-moto-g-2014-2nd-generation/ installed twrp successfully. But as I try to get into the recovery the screen shows the ...
3
votes
1answer
884 views

Backing up important data from soft-bricked devices

I'm sorry if bricks-related and support-my-issues questions are off-topic on the site, but let me try. Yesterday I've got a crash on my device causing an immediate reboot. After the very first boot ...
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 ...
0
votes
1answer
75 views

Samsung won't turn on past the logo screen

My Samsung S4 mini won't turn on past the Samsung logo screen. I've tried holding down the down power and menu button at the same time and clearing the cache partition thing and rebooting it from ...
0
votes
1answer
907 views

Changing bootlogo Sony Xperia Z4 Tablet

I'm trying to change to splash-screen / boot logo of my Sony Xperia Z4 tablet (SGP771) I have already rooted my device. With the help of the bootimg.exe tool I unpacked the boot.img - exchanged the ...
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 ...
0
votes
2answers
6k views

Android x86 Won't boot up

I am trying to install Android-x86 6.0 marshmallow on Oracle Virtual Box. I was experiencing difficulty installing, but I read elsewhere to change the grub from android_x86 to x86, which I did with ...
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 ...
0
votes
1answer
762 views

S3 mini won't boot up after flashing twrp custom recovery with Odin

After a successful root, I tried to install twrp custom recovery, so I downloaded the appropriate tar file and flashed it using Odin, but the device never entered recovery mode when I attempted to, it ...
1
vote
0answers
345 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
1answer
2k views

Fix Android stuck on boot animation without deleting data

I tried to do a backup from within my custom recovery (CWM or TWRP) but it failed due to a lack of space. Since then, my phone will not complete the boot process but remain on the boot animation for ...
-1
votes
2answers
786 views

Yellow exclamation mark on boot on rooted Samsung Galaxy device

I have Samsung Galaxy S Duos, and after I rooted it by following Root Samsung Galaxy S Duos, I had an exclamation symbol when I turn my mobile on. What happened? What are the consequences now? How ...
0
votes
3answers
3k views

Nexus 7 (2012) won't charge or start after a series of problems

A year or so ago, I bought an old Nexus 7 that was very slightly used (I took it off my girlfriend's hands). Everything worked fine, but I barely ever used it. Two days ago I broke it back out. I ...
0
votes
1answer
2k views

How can I disable the startup/boot sound on a rooted Samsung Galaxy S5?

I do not want any sound to play while the phone boots. A sound is being played while "Samsung" is displayed with an animation. There is an app called "Silent Boot" in the Play store that mutes the ...
0
votes
1answer
1k views

How to repair an i Robot tablet which won't boot?

My I.Robot 7180 ICS OS4.0 tablet was drained, when charged I tried to open it again but it was only stucked loading in the black screen with android logo showing. How to make this work again?
29
votes
10answers
87k views

Android x86 Marshmallow not booting on Virtualbox and VMware Workstation

I've downloaded the latest Android x86 (android-x86-6.0_20160129.iso) from here and tried to install it to the HDD on a VM in VMware Workstation and in Virtualbox. The installation seems to proceed ...
0
votes
1answer
541 views

Install android on windows 8 tablet

I have a Windows 8 tablet (an Asus VivoTab) and I want to dual boot it with android but I am having a rough time figuring out how to flash the android iso to tablet. It has no cd, usb or microSD port. ...
0
votes
1answer
127 views

Black screen for about a minute after the startup sequence

When I start up my device, I often have to sit through a black screen for a minute or so before it asks me the PIN code of my SIM. This didn't used to be the case before. The black screen comes up ...
0
votes
1answer
139 views

Nexus 7 Google Logo Boot-Loop

My stock Nexus 7 was working fine until I turned it on. The lock screen was frozen. I then hard reset the device and turned it back on. On boot the tablet gets stuck on the Google logo and never ...
1
vote
0answers
431 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 ...
2
votes
1answer
398 views

Bricked Nexus 7 in Recovery Mode

I have a Nexus 7 2012 grouper in recovery mode (TWRP). I have wiped the /system /cache and /data partitions and believe it has wiped the /boot partition. When I go to file manager, it says the /boot ...
0
votes
1answer
116 views

How to unbrick phone when both recovery and system are abcent?

I have Lenovo A328 phone, after trying to upgrade to cyanogen it has no system and no recovery, when turning it on there is only loading screen. ADB asks to authorize the phone, but no dialog appears ...
1
vote
1answer
287 views

Does boot take up any significant power?

If I wanted to conserve energy, and needed to check on my phone once every while, would turning the phone off and on every 30 seconds actually conserve more power than if I had it on all the time? ...
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 ...
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 ...
1
vote
0answers
96 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
845 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 ...