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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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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59 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
35 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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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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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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2answers
467 views

Nexus 5, I'm getting remote: flash write failure while trying to fix a bootloop

Before I say anything I just want to say I didn't install any custom ROMs nor rooted my phone. I've downloaded the factory images from here ...
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2answers
122 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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35 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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2answers
94 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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300 views

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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1answer
100 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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39 views

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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1answer
287 views

Stock Nexus 5 reboots randomly

I cant take it anymore and even with a full insurance plan, Sprint is not willing to replace my phone with a brand new identical phone. It has had this issue from day one. I think it rebooted itself ...
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57 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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3answers
232 views

Changed device DPI now stuck in a bootloop

Device: OnePlus One ROM: MultiROM with CM11s as internal, and CM12 nightly as secondary Recovery: TWRP Backup location: USB OTG Backup method: Online Nandroid Backup application So I have quite ...
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1answer
33 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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83 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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269 views

LG L5 E612 Random Restart Problem

I have an LG Optimus L5 (LG-E612) that has been acting up since five days ago. I would like to wipe device clean and do not mind if I lose data I have on device, however, I unable to do this. ...
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1answer
207 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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2k views

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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164 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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124 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
93 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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332 views

Is the Power Boot Loop on Nexus from Cache or Power Button?

This is second time now, and was much harder to get my Nexus 5 to work again (still isn't but making progress). Finally got it to go into Recovery Mode to Formatting the Cache which is how I fixed it ...
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97 views

update failure galaxy core 2

well first of all, my phone is rooted. the phone notified me about an update I accidentally pressed update and now its in an endless loop where it will update then fail and update again. please help, ...
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62 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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0answers
511 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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38 views

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
276 views

Can update.zip update-script be used to copy build.prop to an SD card?

I made the unfortunate mistake of lowering the dalvik heapsize to 64m and now my tablet is stuck in a bootloop . I've tried to make my own update.zip (including signed ones) and all fail to load in ...
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71 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
807 views

Nexus 5 stuck on Google logo at boot

I recently unpacked, modified, and repacked the boot.img file and flashed it onto my Google Nexus 5. When I rebooted the device, I was stuck at the Google logo screen. I can access the recovery ...
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1answer
426 views

Data recovery on boot-looped Samsung Galaxy S II GT-i9100

I have a boot-looped Samsung Galaxy S II GT-i9100, running the Android 2.3 Gingerbread it came with, unrooted and unmodified (although Optus-branded). The phone's battery depleted while the phone was ...
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30 views

Debug a Bootloop?

So I'm attempting to port a GSM ROM to CDMA, and it's in a bootloop. I'd like to know how to figure out how to see what exactly is faulting and causing it so I can go fix it. Do note I am a novice ...
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287 views

Device boot loop in sony logo and no flashmode access

I've got a xperia sp, unlocked bootloader device. I've installed CWM recovery. Recently I tried to install CM 11 and I changed the update binary file since I couldn't flash the rom due to set_metadata ...
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64 views

Smartbook Surfer 360 MN10U caught in a boot-loop

Since resetting my tablet, all I get when I power up is the boot up screen caught in a loop. I've taken it to two computer techs who have both said that there is no way of connecting it to another ...
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1answer
557 views

My Nexus 5 (5.0, stock, rooted) won't boot, despite being on 70% charge when I last checked. What can I do?

When plugged in, it kept repeating the Google logo, shutting off, and repeating. I unplugged, and now it won't turn on at all, no matter what combination of power and volume buttons I try (even ...
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1answer
1k views

Unable to get in Recovery Mode in AllWinner A23 tablet

I have a AllWinner A23 tablet with dual-core arm cortex-a7 1.5ghz + arm mali 400mp2 gpu. The tablet has only 3 buttons (1 power button and 2 volume buttons). I have tried by all sort of means to get ...
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138 views

adb reboot recovery no longer workiing

MY tablet was on bootloop using android sdk adb reboot recovery solved the problem now mY tablet is back on bootloop adb reboot recovery just reboot to bootloop i can not access the recovery menu ...
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6answers
13k 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 ...
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269 views

How To Recover From Bootloop after installing fonts, dont have custom recovery and stock rom?

I am using Panasonic T11, it is rooted but do not have custom recovery mode like CWM, My problem is: after installing a custom font my device stucked in bootloop, i have adb, but i dont know how to ...
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89 views

Obscure android device stuck in bootloop

My phone is stuck in a bootloop after trying to change the default fonts. USB debbuging wasn't enabled, so I can access it in adb or fastboot. The phone is an obscure brand so any hopes of finding a ...
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165 views

Galaxy Y force close and now phone turned off

On my Galaxy Y I face a problem: it suddenly started showing "force-close" notices for every appliction (even wallpaper and home), so I turned it off. Now it's not turning on anymore. It only boots ...
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36 views

Nexus 5 stuck in boot loop after disabling Google Search [duplicate]

I disabled Google Search and I am now suffering the consequences. A phone stuck in start up loop. I have a Windows 8 PC. How do I enter via a command prompt and then restart Google Search?
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0answers
466 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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123 views

My phone enters in a boot-loop and I can't do anything, please help!

I have a problem, i've changed boot animation with de apk from playstore and now my phone enters in a bootloop and I can't do anything to make it work... The only thing I could do was to press power ...
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2answers
2k views

Recovering from a bootloop in Lenovo S960

I've recently rooted my phone and have installed Xposed Framework. I'm used to this process and know what the consequences are. The phone was working fine until I installed a module for Xposed called ...
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599 views

Unable to enter recovery mode & download mode

I was formatting my Alcatel OT 918N from recovery mode. After deleting cache partition and wiping data from recovery mode I restarted my phone but then it went in an infinite boot loop i.e. it starts ...
2
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1answer
4k 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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1answer
593 views

Android set is stuck in boot logo and not going to the home screen

I have Qmobile i12 android handset which is basically explay neo set but qmobile company has installed their own firmware in it and are selling it with name of their brand Qmobile i12. Yesterday I ...
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1answer
933 views

Samsung Galaxy Nexus Bootloop. Cannot format or write data

Model: GSM Galaxy Nexus I9250 Takju Maguro ROM: CyanogenMod 11 Kitkat Recovery: Clock Mod OS: Android 4.4 Basically, my phone has been working fine for the last 2 years. I had only one issue of phone ...