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

learn more… | top users | synonyms (1)

0
votes
1answer
26 views

Problems with drivers for Nexus 10 when building Android 4.3 from source

I followed the steps in the Android Source web page to download android-4.3_r1 and build it for Nexus 10. What is the problem? When I download and install the drivers for Nexus 10 for Android 4.3 (...
0
votes
0answers
1k views

My Samsung Galaxy S Duos GT-S7582 does not start

My phone GT-S7582 does not start when powered on it only displays Samsung GALAXY S DUOS GT-S7582 and also it does not enter in to the download mode.
0
votes
1answer
316 views

booting Android from SD card

The device model is Samsung Galaxy Note 8.0 (gt n5100) It's not booted yet had developer mode activated. The flash memory is completely broken (which probably means the bootloader is gone as well?), ...
0
votes
0answers
202 views

Unpack and Pack the Ramdisk.img

I want to make some change to the ramdisk.img file and use that to bring up the emulator. I unpacked the ramdisk.img with the following command: gunzip -c ../ramdisk.img | cpio -i Before making any ...
0
votes
0answers
2k views

Secure boot error, Cause: boot certification verify

My LG Spectrum 2 (Verizon) has recently started having a variety of boot problems. Problems include any of the following: Boot-up hang on the LG splash screen "[1160] Secure booting Error! Cause: ...
0
votes
0answers
66 views

Extract boot.img from Emulator

I want to extract the boot.img from the android emulator. But I am not able to find it. I took the adb shell and read the proc/mtd file. This is content of the proc/mtd file. root@generic:/ # cat ...
0
votes
0answers
145 views

Unpacking repacking boot.img creates unusable boot.img

I have tried to create a custom boot.img using Android Kitchen, Cofface's unpack/repack kernal tool, and abimE, but each time I repack I get a boot.img that is less an half the original size and get ...
0
votes
0answers
85 views

Android sticks gets stuck at boot screen, then gets fixed overnight automagically. Why?

I have a chinese google stick - mk808b plus http://www.gearbest.com/tv-box/pp_124593.html System: Android 4.4 GPU: Mali-450 CPU: Amlogic M805 It works okish, plays the movies, reboot fine, power ...
0
votes
0answers
1k views

Vodafone Smart Tab 3G 7" not booting

I have a Vodafone Smart Tab 3G seven inch. This device was switched of & when I wanted to use it then it just displayed at bottom screen Powered by Android. And then black screen. Vodacom can't ...
0
votes
0answers
90 views

Serious bug in Android 4.4.4_r2: Not sending BOOT_COMPLETED Intent

There seems to be a serious bug in Android 4.4.4_r2: BOOT_COMPLETED not always sent bug Causing BOOT_COMPLETED Intent not to be sent. Does anyone know if this issue can be fixed on an Android 4.4....
8
votes
2answers
28k views

Is it possible to boot an Android phone from a USB drive?

Is there any way to boot an Android phone* from a bus-powered USB drive**? If so, what are the steps to achieve this? * E.g. one with USB OTG functionality. ** E.g. a flash drive.
0
votes
0answers
35 views

How to slow down boot on Samsung Galaxy S6 Edge

I made a custom boot animation in .qmg for my Galaxy but the system boots too rapidly, I try to slow it down. I searched in all the boot files how to do that but I did not found anything... One file ...
0
votes
1answer
325 views

How to enable adb in bootloader mode?

Is it possible to enable adb in bootloader mode? I've already managed to enable it at boot following this, but couldn't figure out yet how to enable it in bootloader mode (if it is even possible?). ...
0
votes
1answer
180 views

CM12.1 on Galaxy S5 in endless boot after encryption enabled, then pattern changed

As written in the title, I have a Galaxy S5 (SM-G900F) with CyanogenMod 12.1 installed ("klte"). Everything worked semifine (apart from occasional reboots), and after a while I decided to encrypt the ...
1
vote
2answers
453 views

Nexus 7 is not booting up after android marshmallow update

I received OTA for my nexus 7 tablet few days back and since then my device is not booting up. Can someone please help how to get it working ?
1
vote
0answers
1k views

Phone stuck at “Android is upgrading… Starting apps.” after successfully rooting with Kingo Android Root

I just used Kingo Android Root to root my Samsung Galaxy S5. Rooting was successful, however, the device is taking a really long time to upgrade. The screen says Android is upgrading...Starting apps. ...
0
votes
0answers
203 views

Nexus 7 tablet stuck in a boot loop

How can I fix my Nexus 7 tablet, or at least back-up the files? I tried updating my Nexus 7 tablet (the 2013 version) to Android 6.0.1 (Marshmallow) a few days ago and found that it reboots after ...
0
votes
1answer
652 views

C105i tablet won't start up

I have an off-the-shelf Chinese call-touch c105i android tablet with an all-winner a10 CPU. Out of nowhere, it crashed and won't start up. When I turn it on, it just gets stuck in the logo screen. ...
2
votes
1answer
216 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 ...
1
vote
1answer
484 views

ADB bricked android doesn't connect to pc

I have a bricked android BLUBOO X2. I rooted it, changed build.prop to set some settings so that I could boot in Ubuntu Touch(which didn't work). And now I can't boot up anymore at all, it is in boot ...
2
votes
1answer
3k views

How do I boot my Samsung Nexus S into safe mode?

I have a Samsung Nexus S with Android 2.3. I somehow managed to set the Zoodles application to start up with laucher. As a result, whenever I boot my phone, I see the Zoodles app and cannot close it ...
3
votes
0answers
65 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 ...
1
vote
0answers
3k views

Nexus 5 won't start stuck on loading screen

My Nexus 5 has been stuck on the loading screen. After turning it off it wouldn't start and after showing the "Google" logo would just spin the 4 coloured dots for hours on end. I tried a few things ...
1
vote
1answer
39 views

Droid-2 stuck at boot

When I woke up this morning, I found my good old Milestone² (aka Droid 2) in what first seemed a boot-loop: Google logo, CM boot animation, off, repeat – with the "off" state lasting a couple of ...
0
votes
1answer
105 views

Inves Wibook 660lt stuck on boot after update

My boss recently went to spain and bought himself an e-reader running Android, the wibook 660lt. He did an OTA update of the OS, but now it's stuck at the screen with a triangle with an "!" in it, ...
4
votes
1answer
94 views

A different kind of Safe-mode?

I was playing with some Xposed modules on Galaxy S4 Mini phone and then after applying some changes, it stopped booting and stuck on boot logo screen. So, i tried to boot it up again in safe mode by ...
2
votes
0answers
186 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 ...
1
vote
0answers
41 views

Sony Xperia Z1 will not boot up

A month ago, i used Kingroot to root my Sony Xperia Z1 running lollipop . Today, my dad called me on the phone and i picked up. 5 minutes later, the phone will not boot up. I thought that the battery ...
3
votes
0answers
265 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 ...
0
votes
0answers
57 views

how to flash boot.img on Samsung gt-s6012?

I have complied my source code and brought up zImage and I have ram disk file. Using mkbootimg tool I created my own boot.img. Now how can I flash that boot.img on my Samsung GT-S6012 mobile. As I ...
0
votes
0answers
49 views

Correct build choice for Nexus 7 lunch

I've been trying to install a kernel/bootloader/etc for my Nexus 7 wifi only model tablet and got this error from fastboot flashall, Device product is 'flo'. Update requires 'msm8960' or 'deb'. ...
6
votes
1answer
2k views

Show boot log at boot instead of boot animation?

I have a Nexus 5 running CyanogenMod 11. Normally, my boot animation looks like this: Instead of this, I'd like to have something that simply shows me the contents of dmesg, or something else that ...
1
vote
2answers
4k views

How to Backup when Samsung G S3 not booting stuck at Samsung logo?

How to Backup when Samsung Galaxy S3 not booting stuck at Samsung text logo? I can boot in the "Android System Recovery" Mode using "Volume Up"+"Home"+"Power". I don't have ADB USB Debug set up. ...
2
votes
0answers
37 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 ...
1
vote
3answers
1k views

Nexus 7 Not Booting; Backlight Turns on while Charging

A friend of mine has a Nexus 7 2012. Although it used to work, it now won't turn on. I would mark this off as a broken battery or screen if it were not for this one oddity: the backlight turns on ...
2
votes
0answers
812 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)...
1
vote
1answer
407 views

'Authorization Failed' toast message at startup

Every time I reboot my HTC One M8 Google Play Edition running 6.0 Marshmallow, there is a toast message that reads 'Authorization Failed' with no other information on what actually failed. Any idea ...
1
vote
1answer
205 views

Boot into specific Hangout with one person

I would like my tablet to boot up into the Google Hangouts app, and open the conversation with a specific person. I'm able to open the Hangouts app easily with this app (or one of the many like it), ...
1
vote
0answers
292 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,...
2
votes
0answers
73 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 ...
0
votes
0answers
27 views

how to fall back to old binary after deleting required system app and causing no boot?

I am using Micromax Canvas Turbo A-250 I was having some malware issues ,which every second downloaded some random application and launched it automatically. I rooted my phone using King Root , then ...
-1
votes
1answer
234 views

LG G4 not restarting

My device is rooted. It was working fine for months. But suddenly it struck and now its not restarting back. It struck at LG logo. I have no idea why its happening. Also, it is rebooting again and ...
0
votes
1answer
127 views

What can happen when you flash a bootlocked device?

This will probably not be done in practice, but I like hypotheticals. I believe that when you flash a custom recovery on a bootlocked device the stock recovery will just be flashed back on reboot. ...
-1
votes
1answer
145 views

Phone stuck at boot animation after Andriod 6.0 Update [duplicate]

The four dot animation is endlessly running after Android 6 update in Nexus 5.
1
vote
2answers
299 views

Moto E on Lollipop has KitKat's boot animation

I have a Moto E 1st Gen. When I updated to Lollipop, my boot animation updated too, but a few months later I did a hard reset to my Moto E. All was great, but yesterday I noticed that my boot ...
0
votes
1answer
92 views

Sharp SH7218U doesn't boot after formatting system partition

I formatted /system on my Sharp SH7218U. Now it won't turn on/boot up. The screen doesn't turn on at all, even after removing battery or plugging into PC. PC says "unrecognized device plugged in". ...
0
votes
0answers
67 views

Auto VNC on startup

I have a Lenovo Yoga Tab 3 tablet running Android 5.1.1 How can I setup a VNC viewer that starts automatically on startup and also re-connects automatically when connection is disrupted? In Windows, ...
0
votes
0answers
86 views

REPAIR U-Boot exynos4412

How to repair U-boot to MEIZU MX2 (Samsung Exynos 4412 Quad) I connect to my phone using UART-USB(RS232) to Win7. It happened after I changed the values of the variables in ENV, This is the factory ...
0
votes
1answer
461 views

Phone wont boot

Yesterday I got an Acer Liquid Z410. After installing some apps and checking out the phone, I charged my phone fully. Then I was trying to acces my phone again but it was off. So I tried to access it ...
1
vote
1answer
2k views

Mediatek-res.apk causing bootloop

Right, so I've been an absolute idiot and I uninstalled mediatek-res.apk. I was probably very tired and I was stupid enough to forget to make a backup in recovery. The phone is a Chinese clone (Jiake ...