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

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21 views

How to use computer to control / revive dead android phone?

My dad dropped his LG Flex into water and afterwards the phone was dead. This means I cannot power on, load, connect to PC or reset. The phone was dried instantly and we even opened the case to check ...
0
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1answer
27 views

Lollipop - Apps not autostarting

I have Alcatel 5054D with Lollipop (5.1.1) on board. I noticed that some apps are not starting on boot or on events that are fired by the OS. For example, when my phone was not rooted I tried to ...
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0answers
49 views

HP Pro Slate 12 tablet has been stuck in booting

My Android tablet gets stuck during booting. I think I messed it up with a new app from Google Play. All I can do with it is to hold down the power button. It restarts, but then it gets stuck again ...
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0answers
10 views

gt-i9505 / strange lines / black screen

how to go on if it not shown as device within adb/fastboot under raspbian jessie? how can i activate the dev mode without access to the screen? i get weird lines on the screen of a gt-i9505 if ...
1
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0answers
51 views

How to fix a ruined recovery mode of an Android device?

It seems like I ruined the recovery mode of my Android tablet. It's a HP Pro Slate 12 tablet with Android 5.1.1 on it. It's rooted. I wanted to install CWM Recovery to backup everything, but my device ...
0
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1answer
20 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 ...
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0answers
26 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 ...
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0answers
18 views

Tablet freezes on droid logo at normal boot

I purchased an Acer A500 tablet that was broken and after much time got it operating again. I decided to buy another broken tablet hoping to get enjoyment of fixing it. This tablet boots to Acer ...
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0answers
18 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 ...
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0answers
22 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 ...
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0answers
68 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 ...
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0answers
44 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 ...
0
votes
1answer
74 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?), ...
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0answers
18 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 ...
-1
votes
1answer
62 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?). ...
2
votes
1answer
152 views

HP Stream 7 originally runs Windows - Can it run Android viably?

I have an HP Stream 7 that I'm not using here (since I've bought my Asus T100), and I was thinking about putting an Android to run, instead of the Windows OS. I know that is possible, but my question ...
0
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0answers
50 views

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

As far as I know, most devices powered by Snapdragon Chipsets stores the boot image (splash screen that shows up when device is switched ON) in a partition named 'splash' which contains splash.img ...
0
votes
1answer
49 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
152 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 ?
2
votes
1answer
100 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
139 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 ...
3
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0answers
39 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 ...
4
votes
1answer
45 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 ...
1
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0answers
17 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
103 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
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0answers
35 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 ...
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0answers
75 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
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0answers
25 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'. ...
2
votes
0answers
32 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
0answers
823 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. ...
2
votes
0answers
412 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 ...
1
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1answer
107 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
1answer
194 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
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0answers
112 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 ...
2
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0answers
49 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
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0answers
25 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 ...
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votes
1answer
176 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
59 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. ...
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votes
1answer
117 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.
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2answers
204 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
71 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
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0answers
54 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
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0answers
63 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
45 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, ...
0
votes
1answer
114 views

stuck trying to fix bad Android 6.0 update

When manually updating my Nexus 9 (Wifi) to Android 6.0, I forgot to flash the cache.img and vendor.img images. Now my Nexus 9 is stuck at the Google boot screen (just says Google, no animation). How ...
0
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0answers
40 views

Samsung Galaxy Note 10.1, Developer's Edition stuck at intro screen

A couple of years ago I bought a pre-production Galaxy Note 10.1 on Ebay. The serial number was 000000000. It was actually a Galaxy Tab 10.1 body with Galaxy Note software. Unit was sent to the ...
0
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0answers
25 views

tablet stuck on splash screen.

This is the output from logcat. The Netd 1.0 starting message repeats indefinitely. Any thoughts on how to recover this other than re-flashing the tablet? --------- beginning of /dev/log/system ...
1
vote
1answer
28 views

GS4 not turning on, battery full, no screen activity or rumble

(Keyboard finicky, sorry for any errors!) Alright, so I have this GS4 that I got secondhand. It worked fine for a while, but now there is no activity AT ALL. I have tried Recovery Mode, normal boot, ...
0
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0answers
83 views

Can I access user data on my phone that can no longer mount efs, system, cache, etc. on its own?

My Galaxy Note 2 decided to reboot this morning but failed to get past the logo. Entering recovery mode, I am greeted with messages such as: E:failed to mount /efs (No such file or directory) ...
1
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1answer
598 views

HTC One M8 doesn't boot up completely after Lollipop update

How can I get my M8 to boot up again? It freezes at the white screen where it says htc. Some background: To run the software update on my rooted M8 I had to put stock recovery back on it. I did ...