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

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5
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
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
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
415 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
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
vote
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), ...
10
votes
2answers
82k views

Flash boot.img without using fastboot USB

So I've recently rooted my phone and tried a ROM or two. I find it really handy that you can use TWRP recovery to install another ROM from the SD card, you don't need to have it connected to a PC. ...
1
vote
0answers
113 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
votes
0answers
50 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
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 ...
-1
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. ...
-1
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.
1
vote
2answers
206 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
votes
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
votes
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
1k views

Install android on non-booting XT1033 (Moto G 1st gen) - USB debugging not enabled

I have a Moto G (XT1033) running Android 5.0.2 that went out of charge one day. It then decided to boot into a black screen - i.e. I can see the Motorola splash screen (animation) but all I get after ...
0
votes
1answer
293 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
1k 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 ...
18
votes
6answers
53k views

ADB can discover devices but not fastboot

I've searched on the web about this problem and it's usually solved by installing the appropriate drivers. Problem is I'm on a Mac. When I plug in my device, it can be discovered when I run adb ...
0
votes
3answers
8k views

Phone doesn't start. USB Debug is off, can't connect pc for recovery

I have a Huawei Ideos X5 phone. It is rooted. When I took the battery out and restarted it the other day, it didn't open: the device starts, shows the "Ice Cream Sandwich" logo – and there it stays ...
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
votes
0answers
443 views

I have a vodafone smart tab 3G stuck in endless boot loop

I have a vodafone smart tab 3G stuck in endless boot loop. tried factory reset but its not working. using android 4.4.2 how can I fix this ?adb also not working
0
votes
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
votes
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 ...
0
votes
1answer
199 views

Samsung Galaxy Tab 3 wont boot after rooting

I try to Root my Samsung Galaxy Tab 3 with KingoRoot using pc. after that it restarted, but now it won't boot. when i try the button combination, home+power+vol, tab goes into downloading, odin, mode. ...
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, ...
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
1answer
117 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 ...
0
votes
0answers
84 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
vote
1answer
600 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 ...
0
votes
0answers
62 views

Android User Space Boot-up with Vanilla Kernel

After so many conflicts between the mainline Linux kernel (vanilla kernel) and the Android kernel (vanilla kernel + Androidization patches), in 2011 the essential drivers required to run Android ...
2
votes
2answers
101 views

Automatically power-on Android phone at a given time?

Is it possible to automatically power on Android phone at a given time?
0
votes
1answer
272 views

Desire sv does not start after clear cache

I cleared cache memory of my HTC Desire SV then tried to restart the phone. It does not start. I have also tried hard boot on this phone but result is same. How can I get my phone to boot again?
0
votes
0answers
25 views

My tablet wont boot up after updating into i8150gpu

please help me im using Huawei mediapad 7 lite and rooted it with kingoroot,,,, so after surfing the web, I found out that i8150gpu increases performance, so i tried it. I followed the instructions ...
1
vote
0answers
66 views

Stock LG-D500 Bootloop. Factory Reset only temporarily fixes

I checked a few of the other links/threads. Mostly it seems like people changed something (ROM, or went in a did something to permissions) whereas my phone has no changes made by me. There are/were ...
0
votes
1answer
6k 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 ...
0
votes
2answers
488 views

Best to block autostart apps, or let them run at boot time?

When Android was still a baby green robot, I would go through all user-installed apps (not system apps), and turn off autostart privileges on most of them. This would make the Android device boot ...
0
votes
0answers
29 views

Why can't I turn on my tablet?

I have tried to turn on my Alldaymall Tablet TP001, but nothing I do seems to work. I've tried turning it on and holding down the volume button at the same time. Nothing so far seems to be doing the ...
1
vote
0answers
19 views

ZTE Score only booting to recovery

I have a ZTE N788 MTS352 CDMA Mobile unlocked to use any CDMA in India. Rooted it perfectly. Deleted unwanted APP, by mistake deleted one sys app "wall paper change"- after that mob. not working. when ...
0
votes
0answers
164 views

HTC Desire VC turns off automatically after showing boot logo

I bought a new set HTC Desire VC t328D CDMA in India on 15-Aug-2015 which worked OK for one day, but on charging it got halted. In Android OS I tried all the methods to bring it back to life through ...
0
votes
1answer
446 views

Where to get help for unrooted phone that won't boot after switching from original carrier?

Recently my LG-P659 phone, originally from T-mobile, has had a lot of apps crashing or exiting for no reason, and today it can no longer get past the splash screen on boot-up (if it gets even that ...
2
votes
1answer
5k 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 ...
0
votes
0answers
178 views

Android Tablet Stuck On Loading Screen

I bought a non brand quad core android 4.4 kitkat tablet for my 3 year old. It was working fine but then one day turned off and now when it tries to boot I see the android 4.4 KitKat screen then it ...
2
votes
0answers
206 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 ...
1
vote
2answers
13k views

Samsung s duos not booting into recovery

I have flashed the recovery.tar using odin by following this tutorial http://www.droidiser.com/2012/10/how-to-root-samsung-galaxy-s-duos-install-cwm.html but after this,when I try to boot into ...
0
votes
1answer
51 views

Cannot boot into Android after freezing Blink Feed Launcher in HTC One M7

Using Titanium Backup Pro I froze Blink Feed Launcher. Now all I see on the screen is just logo and bootloader page by using Power and Volume buttton. I have an HTC One M7 running Lollipop 5.0.2. ...
1
vote
0answers
32 views

Netcat udp listener upon boot

My goal is open a UDP listener on port 5555 upon booting my device. It's suppose to be looking for a specific message that will tell it to do some updates. I have a service started upon boot that has ...