A "bootloop" or "boot loop" is a problematic situation wherein a device can't fully boot up and starts over, in a loop. Make sure to read the information provided with the 'info' link before submitting your question, as it contains general help.

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htc desire z keeps restarting on its own

My HTC Desire Z keeps restarting on its own continuously, how do I stop it and how can I switch on my phone now? I tried removing the battery but that didn't work. Can anyone help?
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Huawei Y330 bricked

I have a problem with my y330 device, I rooted my phone and then I tried to install CWM but when I rebooted my phone, it started to reboot gain and again and I can`t enter the recovery. What can I do? ...
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how to recover from boot loop?

I used kingoroot to root my phone. After completion of the process it had to reboot.Then it entered a boot loop. the phone restarts automatically and samsung galaxy GT i8262 logo appears and again ...
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52 views

Galaxy Note caught in Cyanogenmod initialization loop

My original Galaxy Note has been replaced with a Note 3. Hence, I was curious about installing Cyanogenmod on it. I did and it worked fine, a little while ago I wante to update to a newer version, ...
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285 views

Entering CWM Recovery Mode or Charging Resets My Phone. What should I do?

I have a Micromax Canvas 2.2 A114. I recently flashed a custom ROM and it was working pretty well. Recently, I tried to install Xposed Framework, my phone was stuck in bootloop after the reboot ...
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2answers
634 views

Samsung galaxy Nexus Dead/ Bricked

I have installed a custom rom (Cynogenmod 10.2) on my Samsung Galaxy Nexus i9250 GSM three months before, and everything was running good. But starting 4 days ago, my phone reboots constantly after ...
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65 views

Edited build.prop of HCl me sync 1.0

I recently rooted my HCl me sync 1.0(u3) and changed the build.prop to download some unsupported app. But when I rebooted the tab it stuck in a bootloop(with the screen orientation changed). I have a ...
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142 views

samsung galaxy note n8000 10.1 stucked on bot loop

i tried alot of firmwares from another countries and heimdall and more than 10000000 recoverys files its complete the software and success and still at the same problem and i see the file you sent ...
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77 views

Booting Failed Nexus 7 Nakasi (first edition)

Recently I manually upgrade my OS Lollipop from 5.0.2 to 5.1 by PC with factory images. The process works not fine in the bootloader and suddenly my tablet shows booting failed in the left top of the ...
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2k views

Samsung Galaxy S2 SGH-S959G Android version 2.3 in boot loop

This morning turned off my phone by pressing and holding down the power button. I waited a few minutes then tried to turn the phone back on. It began to boot up by flashing the normal Samsung Galaxy ...
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1answer
72 views

Samsung Galaxy S Plus reset automatically

My Samsung Galaxy S plus device display was damaged. Then it was replaced: it got a new display. After that, it stopped working; instead it automatically restarts itself (up to like below image), ...
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423 views

fastboot system image failed (command write error( unknow))

I updates my nexus 7 2012 from KitKat to Lollipop with WugFresh Nexus Root Toolkit.I found that some my apps doesn't work any more, so I try to go back to KitKat and then, Nexus 7 stuck to the google ...
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72 views

Delete the app folder in system accidently

I delete app folder in system folder which have preloaded .apk , now after i delete , every thing in my phone gone stopped working i turn off my phone and try to turn it on but stuck in boot load and ...
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38 views

Boot-loop Iconia b1a71

I have tablet Acer Iconia b1a71 with boot-loop, I can not flash the official rom it through the recovery native menu of your system. It is not recognized by the ADB also some help?
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2answers
17k views

Samsung logo loop in galaxy y

Whenever I start my phone, the samsung logo animation goes in a loop forever; unless i take off the battery. This started happening after I simultaneously clicked the power button, menu button and ...
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140 views

Unrooted Shield Tablet bootloops after 2.2.1 OTA

My brother has an NVIDIA Shield Tablet. He downloaded the 2.2.1 update (which just came out today). He didn't notice any errors during installation, but now he can't get it to boot into the full ...
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1answer
218 views

Galaxy Y is restarting again and again after factory reset.

I formatted my phone due to "low space in memory", after I click on factory data reset and now my phone is restarting over and over. I waited for 5 minutes but it was not turning on then I removed my ...
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91 views

Is it a Bootloop or something wrong with Android?

I have a Starmobile UP Mini (i'm from the PH) for 2 months now and I was moving some files over to my Phone using my PC and then it asked me to Format my SD card so I did and then I decided to Restore ...
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1answer
8k views

Galaxy can't boot up, stucked at Samsung logo

I recently upgraded my stock ROM of my Galaxy GT-p1000 from Froyo 2.2 to Gingerbread 2.3.6 and got stucked. I used the Odin to flash the ROM, it was successful by indicating that the ROM has been ...
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2.3 Tablet bootloop, trying to pull logfile with root adb [duplicate]

I have an old android tablet (2.3) which I've had for a number of years now. I've been trying to get access to the application data storage, because I had some important documents stored in a notes ...
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1answer
652 views

Samsung Galaxy S3 i9300 Boot Loop Problem

Problem: Phone battery ran out. Popped spare battery in and the boot loop began. Can only go so far where the screen says "Samsung Galaxy S3 i9300" and nothing further. Tried with no success: ...
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2answers
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How to restore/edit build.prop after rebooting (and phone stuck in reboot loop)?

I was trying to setup a custom host name for my device(a rooted xperia z) following this guide but without paying too much attention, especially to the comments. I'm guessing I had a typo in the ...
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0answers
643 views

Nexus 4: Stuck on boot animation for baseband version != 2.0.1700.48 and android version > 4.3

The symptoms I'm seeing seem to be common, with many suggested solutions, none of which I've found to solve my case. I'm not sure to what extend it is related, but it happened after the screen was ...
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1answer
3k views

ADB/fastboot over Serial/COM ports?

Long story short, my phone messed up and it's stuck in a bootloop. The phone in question is a Coolpad 7560U, also known as Orange Nivo, running Android 4.1.2 Jelly Bean. Data and cache wiping do not ...
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86 views

Samsung Galaxy 2 with touch screen home button, so I don't know how to put it in download mode in bootloop

Ok so I have a samsung galaxy s2 I don't know what version or anything about it but I bought a new battery to see if the bootloop would stop but it still hasent. I've seen many ways to fix it by ...
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4answers
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Galaxy S3 stuck on boot loop, Factory Reset didn't work

My Samsung Galaxy S3 (GT-I9300) was rebooting itself for the past few days, randomly. Today, it did it again, but didn't boot back up. Instead, it is now stuck on an infinite boot loop - it gets as ...
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2answers
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How do I fix my boot-looping Samsung Galaxy Tab 10.1?

I have a Google IO Samsung Galaxy Tab that has decided it no longer wants to boot properly. It just constantly goes from the 'SAMSUNG' logo that flashes a couple of times to the stars and lines ...
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2answers
2k views

stuck installing cyanogenmod on htc one X+

After using the standard android on my one X+ for a long time, I decided to get started with cyanogenmod today. I started by using this manual: http://wiki.cyanogenmod.org/w/Install_CM_for_endeavoru ...
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1answer
46 views

How to delete an app that keeps the phone from successfully booting up?

I need to delete an app but I cannot access anything with out it restarting every 5 seconds (this is an infinite restarting process, so the device never fully powers up to become usable). How can that ...
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2answers
350 views

S3 stuck on first splash screen

I recently installed an update to my custom ROM (http://forum.xda-developers.com/galaxy-s3/development/wip-cyanogenmod-12-t2936990) which was previously working fine on my phone. After installing this ...
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phone on bootloop with a problem in the cache

My phone somehow got stuck in a boot loop and I can't fix it. I don't know what to do. I cant get pass the start up animation no matter what I do. I've tried the fast boot commands to flash and keep ...
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297 views

China phone after factory restart in recovery mode stuck on formating data

Can´t get to recovery mode, can´t connect via USB becouse it still rebooting. And it says Fromating /data.... mount system/ error Can somebody help me?
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Flashing Samsung S5830i

My Samsung S5830i has run into an infinite boot loop. I've tried resetting it to the factory defaults, applied fixes using updates in the SD card but to no avail. After going through the posts with ...
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161 views

stuck on boot animation of older kernel

I'm facing this weirdest problem with my xperia arc s I was running legacy xperia CM and everything was fine until it started not to recognize my new sdcard anyway I tried to reinstall the rom but ...
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0answers
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Nexus 5 stuck on boot loop after restarting while upgrading the OS

Last week, I received an update on my Nexus 5 for Lollipop 5.0.1. Version 5.0 was working fine, so I decided to just update. However, a few hours after updating, my phone started to lag and freeze, so ...
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221 views

stuck in boot loop after deleting a file in /system/app

I have a chinese tablet from genx model gx72g it's version is jellybean 4.2.2 and it's rooted , anyway I was trying to install a touchwiz launcher on it. meanwhile I saw a file in /system/app that ...
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149 views

Alcatel (TCT) Idol 2 S (6050Y) stuck in boot loop

So I just rooted my phone, and installed Chainfire 3D on it, and now it's in a boot loop -I don't have a custom recovery installed, but I can access the stock one -I don't have a backup -I have tried ...
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0answers
596 views

Nexus 5 stuck in the start up screen

After running out of battery and turning off, I charged my Nexus 5 (which is running lollipop and not rooted) until the battery was full, but when I was going to turn it on it got stuck in the "flying ...
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1answer
1k views

Boot Loop CyanogenMod

I am installing Cyanogen Mod 10.2.1 on my Sony Xperia Z (yuga). I followed all instructions exactly given on Installing CM Mod. But after following the steps and clicking on Reboot system now in ...
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196 views

Htc stuck on bootlogo. S-on ,boot loader relocked. Cwm installed

My sisters htc desire is stuck in htc logo then a blue screen and then back at htc logo. Can't find a vodafone uk ruu. Hboot shows RELOCKED. and S-on.Any help please
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1answer
222 views

HTC One V (GSM) Ruu

I would like change back the original factory/stock ROM on my HTC One V devices. Currently is run an Cyanogenmod 10.1, but the device frozen in boot loop. Device data: Primo U SHIP S-ON RL ...
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1answer
824 views

Galaxy S3 mini (i8190N) stuck in boot-loop after flashing custom ROM

I've got a S3 Mini (i8190N) & I tried to install a custom ROM to it which failed. My phone will boot but then before the ROM/OS starts it reboots so it's stuck in a Bootloop. I cannot get into ...
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0answers
100 views

Samsung Galaxy S3: problem booting up

My S3 keeps turning on getting to the model splash screen when you turn it off, it stays there for about five seconds and then goes blank for a bit and then repeats the process over and over again. I ...
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2answers
5k views

I formatted /sdcard and my phone won't boot

I have a Samsung Galaxy Star Duos GT-S5282. I installed ClockworkMod Recovery 5 and I was messing with it. I went to "mounts and storage" then chose format /sdcard and then rebooted the system. It is ...
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1answer
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How to do a fresh install of Android : Nexus 5

I installed Cynogenmod 11 on my Nexus 5 through their Mac OS X app. Judging by the information that provided me, I would say it went fine. However, while my phone did the first boot, it got stuck in a ...
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My Nexus 4 is stuck in bootloop after swapping out a cracked screen

I changed a cracked screen on my Nexus 4. I have done this before with no problems. It is not rooted and locked to a carrier. The added problem is that even though I charged the phone no problem, I ...
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1answer
1k views

Galaxy S3 won't boot, gets stuck at the “Samsung Galaxy S3 GT” screen

I seem to have the same problem as many other Galaxy users with the Boot Loop. I cannot access my phone: I am not able to load the Stock ROM or factory reset it, nor erase any data. It is stuck at ...
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125 views

MTK Android (X920E) not booting?

I want help about my android. I have a MTK android phone (Model is X920e) (It is the copy of HTC Butterfly). Now I have changed its boot animation manually and as a result my android is not booting it ...
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1answer
9k views

Moto G 2nd Gen - caught in a boot loop

My Moto G 2nd Gen, got caught in a boot loop. My phone keeps restarting, but doesn't get past the screen where Motorolla symbol with 'powered by android'title at the bottom shows up. Is there a known ...
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6answers
18k views

Nexus 10 stuck in bootloop after Lollipop flash no ADB and no Fastboot

So .... I flashed the mantaray-lrx21p image from Nexus Factory Images on my Nexus 10 (16GB Wifi) and it's stuck in a bootloop. No problem, I thought, I can get into fastboot and fix it, right? Maybe ...