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Questions tagged [boot]

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

257 questions with no upvoted or accepted answers
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243 views

Android can't boot — displays booting splash until battery drains

My Android can't boot. It displays the booting splash (a sci-fi planet-like image) until the battery drains. Is this condition what's referred to as a boot loop? Is there any chance to recover? ...
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330 views

Samsung Galaxy S Captivate stuck at the boot screen

I have a Galaxy S Captivate and it has been problematic ever since. I flashed various stock roms (with and without bootloaders) in download mode and the phone always gets stuck at the boot screen (AT&...
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259 views

Android crashes in a Bak BK-NB711G

I have a netbook device running Android, Gingerbread 2.3.x, but it does not load. Upon boot-up, it is forever stuck on the familiar splash screen with Android written on it. Can someone help me? ...
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1answer
2k views

Prestigio MultiPhone 5430 and nonexistant boot/recovery partitions

I've got the Prestigio MultiPhone 5430. It's built on Intel Medfield platform. The phone isn't popular as it was released about 6-7 months ago. Because (as far as I know) nobody before me has tried ...
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1k views

Can't boot because of deleted com.android.launcher2

Stupid me deleted the com.android.launcher2 apk file (located in system/app) thinking that my tablet will boot with another launcher I installed and now it doesn't boot up (gets stuck in loading ...
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70 views

why my htc status goes back to its rom defult settings after restart?

i have HTC status i had unlock and root my phone and also i created a 2nd ext3 partition which i linked it with Link2SD in order to improve internal memory. then i installed a bunch of different ...
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124 views

Exotic case of Galaxy Nexus not booting

Symptoms : Put battery into Galaxy Nexus (tried with two different including a brand new one) Plug cord to USB host or charger Large battery charge indicator icon appears in the middle of the screen ...
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383 views

Snapshots suffer from Short Term Memory Loss?

I have seen that despite repeatedly saving to snapshot, periodically (once in about 3 attempts to launch from snapshot) I get the error: emulator: ERROR: Unable to load VM from snapshot. The ...
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2k views

Can't boot phone or access recovery mode

I tried updating a custom ROM on my Samsung Galaxy S: Semaphore Version 9 (Android 4.2.2 Jelly Bean). The update was successful except that it produced an error after completion saying the process "...
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495 views

how to lower boot up time? (many apps 122, rooted device)

[old subject: link2sd not mounting second partition, "quick restart" fails too] [IMPORTANT: boot time took 20 minutes, see at the end...] My phone suddenly reboot (while I was sleeping), ...
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283 views

Samsung Galaxy tab 10 does not start up

My tablet won't start. With the USB cable connected I can start my tablet using the "power & volume" trick. When in prompt menue for various reboot options it says in yellow text Can't access ...
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820 views

Extract boot.img issues

I have been having a lot of trouble trying to extract a boot.img. Its one of Samsung's with the funky headers so none of the scripts work. I tried HEX editing it so it is a gzip (1f 8b 08) and ...
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2k views

Android X86 and Grub

So I've installed Android X86 on my wetab tablet, using the corvus mod files found here, but for some reason, my tablet now boots right into a grub 0.97 command line (I suspect it does this because ...
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1answer
73 views

Device Can't Power Down

I have an Android device which had a custom os..It was for educational purposes and I could not even open another app on it. After the end of the subscription period I thought of using the device. I ...
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2answers
718 views

my Xperia l not starting

I tried to install a custom rom on my Xperia L,but it aborted. Now my handset isn't booting up, when powered on it just shows SONY logo. What should I do now ?
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9 views

How to switch on Samsung Galaxy when Power Button jams?

Since my smartphone's casing is so tight, I had to press the buttons harder, until the power button got permanently stuck. Now I dont't know how to switch on my Samsung Galaxy without using its power ...
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8 views

Samsung Galaxy Core Prime stuck on boot screen

I am trying to boot this phone to retrieve pictures from it but it wont go past the boot screen. Is there any way to access the memory from my pc to pull them off. I have tried every way I can find to ...
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7 views

Boot priority for background apps

Android 7.1.1 on Galaxy Tab A. I am trying to use an app like "Force Rotation". It does start automatically, and runs as background activity. However, it takes a long time to start on a boot. ...
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12 views

Add a custom script in init.rc in a Custom ROM

I am trying to add a script in a custom ROM on a Galaxy Note 4 I've done the unpack and repack process on boot.img by modifying the init.rc file. But every time I try to reboot it stops at the home ...
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36 views

How to enter recovery mode with an OTG keyboard?

I would like to know how to boot my Mediatek tablet into recovery mode by using a physical keyboard (OTG) because my volume key doesn't work. And I can't boot to the OS to enable the USB debugging.
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34 views

Can I give permanent volume increase permission to my phone?

I use Android 7.0. My phone asks a permission about increasing volume level after every boot if I want to increase the volume level. Is doing this mandatory after every boot or can I disable/by-pass ...
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0answers
29 views

LG G3 D855 with lineageos: hangs while booting, recovery partition damaged, no connection from adb

I accidently damaged the recovery partition on a LG G3 D855 with Lineage15.1 OS was still booting ok, but I wasn't able to get TWRP on recovery again, as the device was not routed. I used a one-click-...
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50 views

Encryption failed after turning my android phone on

when i turn on my phone it shows "Encryption failed" and "Unable to start up your device. the encryption process was interrupted. you need to reset your device to factory default setting. this will ...
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0answers
51 views

Unpacking and repacking boot.img changes it's file size

So I unpacked boot.img file using unpackbootimg in ubuntu. Then without changing the file I repacked it. But the filesize became smaller. From 36.7 MB to 17 MB. I tried to flash that image to my phone....
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23 views

How to exit out from a stuck safe mode?

My Samsung Galaxy A3's power off button didn't work, so I held the Power off and Home key for 5 seconds which brought me to a custom OS warning. It showed that I could cancel and restart if I pressed ...
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0answers
11 views

How do I unfreeze my LG L15G sunrise?

I keep trying to turn it on and at first it just got stuck in a boot loop, so i factory data reset it and after the reset when it boots itself up it freezes on the LG powered by android screen. I have ...
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0answers
25 views

Is there anything like live CD for android phones?

We can go into recovery mode in android phones, which is usually home+volume up+power for samsung phones This answer says that the recovery mode is like a simple OS that the device boots into. This ...
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0answers
21 views

what does ddi stands for in android os?

What does ddi stand for in android OS? My phone g532f couldn't power on, but enter download mode just by using "jig USB" !!.. this message appears in download mode. ddi read failed (in rad color) ddi ...
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19 views

Reading phone partition and writing to SD Card

Guys i really need HELP Mine Docomo S7 from Japan aka SC-02H is bricked, so No Download - No Recovery - Not Turning ON I found another SC-02H working one from mine friend - I Read somewhere that i ...
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1answer
14 views

itel phone unable to switch on

I bought a new itel phone yesterday. I charged it a bit then added apps and photos and music. I played some music during the night. I tried rebooting does not go on, it vibrates but screen is blank.
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25 views

Unable to have applications run on startup Android 7.0

I can't seem to get any applications to start at boot. I wanted sshd to run at startup so I installed "Termux", "Termux:Api" and "Termux:Boot" and followed the instructions and placed the startup ...
0
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1answer
21 views

Apps suddenly stopped starting automatically when my phone boots

I have two apps that I expect to start when I boot my phone: AccuBattery and Weatherbug. A few months ago though, Weatherbug stopped starting automatically, and AccuBattery stopped a couple days ago. ...
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20 views

Nexus 7 not booting past google screen

I tried to factory reset my Nexus 7 this morning and it took 4+ hours, it stayed on the "erasing" screen so I got bored and turned it off, I figured no factory reset takes that long. Now when I try to ...
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2answers
373 views

E: can't mount/cache/recovery/log on Android Lenovo a1000

I have a problem on starting my lenovo a1000 , so i decided to install firmware on it. I tried too much, but every time the phone fishing flashing , and 100% passed with spd factory flashing tool , ...
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0answers
414 views

My Samsung Galaxy S8 has crashed and will not go through the forced restart procedure

My Samsung Galaxy S8 has not suffered any water or impact damage. It just stopped working all on it's own. I have tried to go through the forced restart/reboot procedure - ie - holding down the power ...
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1answer
32 views

Power on when charging but only when battery level is greater than 20%

I have recently tried to fit a tablet into my car and I came across a problem with waking up the device without using the power button. My solution is to boot the device whenever it is charging, but ...
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1answer
63 views

Link between device state & user settable root of trust

I am (still) trying to understand exactly how verified boot works and I am wondering what happens when a user-settable root of trust is used by the device. As said here: If the device is LOCKED, ...
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0answers
20 views

I am in stuck with rebooting Samsung S5 in normal mode rather than recovery mode. How to fix?

Consider the following thing first: My Power Button doesn't work at all. My phone was on and I connected the phone with PC and ran the following command in adb adb reboot recovery Then it opened ...
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1answer
356 views

Can't Flash Google Factory Image - No Boot Partition

I seem to have bricked my phone but thankfully the bootloader is unlocked so I'm sure there is a way to fix it. I am having a hell of a time though, I think I need to re-create the boot partition ...
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0answers
23 views

Asus not able to charge or boot

I have a strange problem. My device is Asus Zenfone Max ZC500KL. I have a LineageOS (forgot the version but Android 7 or 8 I think) on it. The battery is drained and at 0%. And as soon as I plug it ...
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1answer
41 views

Prevent homescreen/desktop from showing before my start-up app?

I have this bootup app that listens to the system boot up event and will launch on system start up (pardon the verbosity). Problem is, the system will stubbornly show the homescreen (or a static ...
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0answers
31 views

SM-G130E phone is not booting after the Samsung Logo (Samsung star Duos 2)

This icon (!) comes when im trying to hard reset by Volume up + Home + Power. Any solution?
0
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1answer
694 views

System crashed and not rebooting on Xiaomi Redmi 5 Plus

I have a Xiaomi Redmi 5 Plus with MIUI 8. My system crashed today and then the phone tried to reboot but is stuck eternally in the boot screen with the Mi and Android logo. I only had 100 MB free ...
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0answers
23 views

Asus Nexus 7 2013

This is brief, my original was to big. Unit was working perfectly. Over a month deleting & uninstalling. Next boot displayed "UI" with system hung, only option shut down. Every boot after ONLY ...
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1answer
259 views

OnePlus 5 Black Screen after Pie

My OnePlus 5 after the Pie OTA update wont show the screen. after rebooting, it only shows the 'android' logo and then the screen goes completely blank(black). I can sense that the phone is turning on ...
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0answers
283 views

Can't unlock my phones bootloader

I'm using a local branded chinese phone. And my phones comes with locked bootloader. As it is a local branded phone, manufacture doesn't provide a official way to unlock it! I've tried many way I ...
0
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0answers
51 views

Cool 1 C103 stuck in twrp

I installed the twrp from https://forum.xda-developers.com/cool1/how-to/guide-easy-twrp-root-using-qfil-eui-t3781171 and then tried to install unofficial lineage 15.1 followed by Gapps. I probably ...
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1answer
5k views

How to fix device when stuck in firmware update with “Do not disconnect USB” message?

I have an LG Android phone. When I turned it off last night, it turned itself back on again with the firmware update showing "Do not disconnect USB". But when I received it from my contract holders, ...
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0answers
14 views

RedMi 3S stopped, no battery charge indicator

I have a RedMi 3S, bought about 2.5 years, unrooted. I was using it earlier today - not doing anything fancy or strange (that I know of); but a while later, I wanted to use it again - but it was dark....
0
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0answers
82 views

Google Nexus 7 (2013 Wi-Fi) Boot freeze, no recovery options working

I bought a Google Nexus 7 2013 edition, Wi-Fi only, from a yard sale. I have no clue what the previous owner did or tried but I cannot get it to boot. I'm not by any means an Android expert so if it ...