Questions tagged [boot]

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

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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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122 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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494 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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282 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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811 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
70 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
717 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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21 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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7 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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19 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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17 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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14 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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20 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 ...
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1answer
17 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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16 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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1answer
143 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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234 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
27 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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34 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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17 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
245 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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22 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
38 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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30 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?
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1answer
587 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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19 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
249 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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239 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 ...
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47 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
3k 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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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....
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24 views

LG K8 keeps optimising apps on boot

So, I have LG k8 (2017), and everytime I reboot, it get's stuck after the Lg welcome logo, and it says "Optimising apps 1 of 2..." I tried recovery boot but it didn't workout. Is there another way ...
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74 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 ...
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38 views

My phone is stuck in a loop

My phone is a Samsung Galaxy Young GT S6312. It does not boot up at all. I have made a video of the loop as shown here - https://drive.google.com/file/d/1t38NYXvawmxSiIK9gqRTLINoIvG158Vi6w/view?usp=...
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1answer
196 views

Asus Zenfone 3 Zoom broken power/volume key - How to boot

I got big problem with my phone (ASUS Zenfone 3 Zoom) I broke the plug that connect the power/ volume cable so I am not able either turn on the phone or turn to safe mode. Also the USB debugging ...
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101 views

ADB: Check if Android boot process is complete

I have an Android6_x86 in a virtual machine, which is started and controlled by my PC software. That is, my software starts the VM, connects via ADB over TCP/IP to android, and starts an app. The ...
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1answer
25 views

My Samsung tablel 1 is not restarting?

It stop working in process of restarting where android symbol is coming. So what should I have to do for resolve this issue?
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1answer
358 views

How to mount userdata_b in stot_a in A/B partition device?

I have a Tissot (mi a1) with TWRP dual booted by separating vendor_a, vendor_b, userdata_a, userdata_b. It is dual booted by cosmicdan's twrp with Resurrection remix ( slot_a) official and Dotos ...
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1k views

Android x86 won't boot with GRUB 2 - stuck at Detecting Android x86

I recently installed Android x86, using ~~99 GB free space on an old drive, partitioning it into /dev/sdb3. After reinstalling grub (accidentally selected "yes install grub" in the installation menu),...
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1answer
27 views

How to make a backup from internal storage of my Galaxy S3 Neo while it stucks on Samsung logo screen?

My Galaxy S3 Neo has stopped working without any clear reason! I woke up and looked at my phone screen. It was showing the logo of Samsung. Then I turned it off by removing the battery. Since then I ...
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1answer
115 views

Custom Boot animation slows, freezes and crashes phone

I've created a custom boot animation: Create animation with Blender, render all the frames 1080 x 1920, PNG. Convert them to JPG. Store frame 0 to 123 to folder part0, store frame 124 to folder part1....
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1answer
3k views

Turn on phone without Power and volume buttons

I own Panasonic Eluga Ray Max phone, How can I turn it on without power and volume button as both are broken. Device is already USB debugging enabled but adb cant see it while only charging. So my ...
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349 views

New pixel 2- turning on shows battery and then horizontal purple line

I just bought a new Pixel 2. I opened the box, turned it on, and it showed a white battery with the charge symbol, and then that disappeared, and 2 small colinear horizontal purple lines briefly flash ...