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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Samsung Galaxy S3 not booting up, keeps restarting showing ”Samsung Galaxy S3 GT-i9300” black screen

My Samsung S3 is stuck! It keeps restarting! It doesn't reach the enter pincode, but keeps restarting showing the "Samsung Galaxy S3 i9300" screen. Then cycles starts again. Here are the things ...
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votes
5answers
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Nexus 5 Reboot loop

Today my Nexus 5 turned itself off, and then whenever I try to start it again, it loops rebooting - it shows the google logo, then starts the boot animation, then powers off and starts over. I've ...
7
votes
2answers
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Samsung Galaxy S in boot loop after following cyanogen mod's full update guide

I have been following this guide to root my Samsung Galaxy S smartphone. I've followed it to the letter, but after I load the new kernel to the phone, the phone gets stuck in a boot loop. The phone ...
7
votes
4answers
2k views

Android won't boot after unsuccesful wipe operation

I rooted my Asus Transformer Prime and tried to install a custom ROM but I managed to fail. I selected the option to wipe data from the table in the bootloader menu (accessed it via holding power ...
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votes
3answers
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Trying to flash a system.img I took with dd - failing

Long-time UNIX guy here, but relatively new to the world of Android. Read on. EPISODE 1: A New Backup (I hoped) I have recently purchased an Asus MemoPAD (ME103K) ; I then became root, and took a dd ...
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votes
2answers
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Nexus 7 is stuck in reboot loop after full discharge

I have a few day old Nexus 7 tablet, unrooted, bootloader still locked, and otherwise in factory condition. This morning, it ran its charge out. When I plugged in it, this happens: Google Logo ...
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6answers
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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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2answers
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Boot loop after updating to official Android 6.0 Marshmallow on my Nexus 5

Last day I got the notification to download and install official Android 6.0 Marshmallow in my Nexus 5, which is not rooted, was running Android 5.1.1 and no custom ROM. As I downloaded and installed ...
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2answers
29k views

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
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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 ...
5
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1answer
368 views

Android boot loop after fresh install

Phone: Nexus 4 with the latest android 5.1.1. Accidentally I broke my screen and turned off my phone. After a month my screen was replaced and then I got stuck in the boot loop at the start. I've ...
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1answer
99 views

Android Nexus 6 Bricked? TeamWin splash screen turns on and off

I think I've bricked my Nexus 6. Every time I turn it on, the teamwin (TWRP) splash screen keeps literally flashing on and off. I would be able to flash a stock system on but I can't due to the fact ...
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4answers
6k views

Moto E Not Starting Properly After Changing runtime to ART

I have recently bought a MOTO E and it's working cool. Then I have enabled Developer options and changed my runtime from Dalvik to ART. Afterwards I restarted my device. I got the message saying ...
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votes
1answer
1k views

Do you have to reformat an SD Card before you can copy its contents to your PC?

My phone has been stuck in a boot loop and I need to safely retrieve the contents via card-to-PC transfer, then PC-to-new card, then new card-to-phone, etc. I read somewhere on here that you must ...
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3answers
1k views

Android failure to boot on LG

I need to recover data from my AT&T LG Thrill Android Phone Background: My AT&T LG Thrill phone's battery died a couple of days ago because I forgot to charge it. When I charged the phone ...
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votes
4answers
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Clearing Dalvik Cache without root?

I recently tried updating my Motorola Atrix 4g. It downloaded, and then it booted down to try to update. However, instead of updating, it ends up booting to a screen that just says Failed to boot 2 ...
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4answers
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Nexus 7 stuck in a boot loop

I have a two-week-old Google/Asus Nexus 7 tablet, unrooted and otherwise standard. Yesterday it ran out of charge a lot faster than it usually does, and wouldn't seem to recharge. When it finally ran ...
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votes
1answer
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Galaxy fit stuck at boot screen

My galaxy fit became unresponsive after the phone memory got full, so I removed the battery and replaced it back. Now my phone is stuck on the booting screen, it just shows the glowing samsung text ...
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1answer
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Debugging bootloop: Get an information log without ADB? Can an emulator help? [duplicate]

Possible Duplicate: Android boot-up messages for debugging? Related to this post I created: Does the Android emulator generate some sort of log file I can access if it crashes? I have ...
3
votes
1answer
14k views

Stuck in Fastboot?! Help please!

I tried to get CM11 on my LG G2 on Bell Canada's network and I really messed it up. I can no longer get into recovery, adb doesn't see my phone, but download mode works (though I have no idea how to ...
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votes
4answers
77k views

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
2k views

Nexus 7 soft bricked, Need to recover data

I don't know if I'm posting this on the right website or not, but I'll try anyway. I recently brought a Google Nexus 7 (non-SIM version). I've used it for around 3 months now and everything was ...
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2answers
20k views

How Can I Pass Bootloader (Huawei Y200 stuck logo/ Boot-Loop)

I have recently learnt a few things about Android and its system. I have a Huawei Ascend Y200, and I flashed it with ClockworkMod specifically for Y200 with a computer and it worked. I rooted my ...
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2answers
65 views

My phone is soft-bricked after ADB update

This is the problem: I always connect my phone to computer, to charge it, but I tried to execute ADB shell into recovery mode. 1- I've entered into recovery mode 2- I tried to go to "Apply update ...
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0answers
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Boot-loop after flashing custom ROM. What went wrong in procedure?

I tried to flash a custom ROM on my old Samsung GT-I8190N. It's the first time so I need some advice. The steps I followed are as follows: I downloaded the ROM zip file Jellybean 4.1.2 (CyanogenMod ...
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12k 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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votes
1answer
4k 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 ...
3
votes
1answer
2k views

Can't boot, can't view recovery options, winok w77, no support from manufacturer

I have a friend staying over and he has an android tablet: winok model w77 The tablet is stuck on a boot loop and I am trying to get it working again however nothing I have done so far has been of ...
3
votes
2answers
820 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 ...
3
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1answer
3k views

Why does Android drop files I transfer to SDCard while in recovery mode?

Here's my situation: I have a Sprint Samsung Nexus S 4g. It is rooted, unlocked, and loaded with CyanogenMod 10.1. I am attaching it to a Windows 8 machine via USB cable. Recently, the phone went ...
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0answers
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Nexus7 Stuck in Reboot Following Full Discharge [duplicate]

I am experiencing the same symptoms as described in the following: " Nexus 7 is stuck in reboot loop after full discharge " My Nexus 7 is full discharged. I have it connected to Factory AC-to-USB ...
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2answers
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Bootlooped Samsung galaxy s2 t989D

I have the Samsung Galaxy S2 T989d and my phone is stuck in a bootloop with CyanogenMod. I want to get some pictures off of the internal SD before I wipe it and install the stock rom. I tried getting ...
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5answers
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Android M Nexus 5 boot loop

As soon as I got home after the Android M image was available, I (of course) flashed it to my Nexus 5, following all the usual procedure (e.g. wiping Dalvik and Cache). Now it's been stuck on the ...
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3answers
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Android Tablet Stuck at Boot Screen

I am new to this forum. I just wanted to seek your help. I have a tablet which is working fine a few days. But one day when I started the tablet its got stuck at android screen. 10-20 and even 30 ...
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3answers
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Phone restarting nonstop

My phone started rebooting all by itself all the time after I did 2 things with it. Installed Snapdragon BatteryGuru and put it on learning mode (for an estimated 3 days I guess) so that I could start ...
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votes
2answers
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How to get Recovery without the Hardware key

Apprently I am stuck in a known problem the Cyanogen Bootloop. The solution involves going into recovery, which is not possible since my "volume down key" is physically damaged. Do I have any options ...
2
votes
1answer
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Xposed Framework with KitKat ART?

I have an SGS-I8190 with CM11 from http://maclaw.pl/ I explored the Xposed Framework, but it is not compatible with ART. It switches back to the old buggy and lame Dalvik. XDA says, that ART ...
2
votes
3answers
12k views

Nexus 5 stuck in boot screen

My phone is Nexus 5, not rooted, android version 4.4.4 I hated the "swipe up" gesture for google now, bacause I'd sometimes do the gesture by accident. So I read somewhere that I should disable ...
2
votes
1answer
3k views

Sprint Galaxy Nexus stuck in boot-loop

I have a stock Sprint Galaxy Nexus device. This device is unrooted, I have made no changes to the OS / Rom whatsoever. Today this device froze, it was showing a completely black screen except for the ...
2
votes
3answers
996 views

Xperia Z3 boot loop after TWRP installation

My Xperia Z3 was running Android 5.0.2. The model is D6653. I didn't check the firmware build number. I followed these steps. Everything was successful with no errors. ➜ Sdk sudo $(which ...
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votes
2answers
5k 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 ...
2
votes
5answers
17k 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 ...
2
votes
3answers
3k 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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votes
1answer
14k views

Stuck at “Installing update…” in recovery mode

I am not able to flash my Nexus 4 with Cyanogenmod 11 anymore. The installation does not successfully finish, which is probably why it gets stuck in a boot loop after restarting the phone. During the ...
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1answer
4k views

Link2sd: boot loop at reboot

I'm happy with link2sd functionality (just installed: everything looks awesome, lots of free space). I reboot and my Acer liquid metal is stuck in bootloop. I take the sd out, boot again and ...
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1answer
1k 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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1answer
35k views

Samsung Galaxy tab 10.1 stuck on boot screen (bricked)

This is going to be a long story because my tablet is just having problems left and right. Firstly, I received this tablet (SCH-i905) as a gift with cyanogen mod already pre-installed. Thus, in ...
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1answer
425 views

CyanogenMod logo loop

My mobile, HTC One X was on CyanogenMod 10.1 which received a update cm-10.1-20130304-EXPERIMENTAL. Once the update package download is completed, I tried to update it via update settings but it ...
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1answer
8k views

Phone restarting again and again

I am having samsung galaxy ace GT-s5830i. The phone is restarting again and again after installing a game from 4shared.com.please help me out. Phone is rooted one.
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1answer
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Phone restarting over and over after rooting Samsung Galaxy Ace S5830i

I rooted my Samsung Galaxy Ace S5830i from the link given below- http://theunlockr.com/2012/11/22/how-to-root-the-samsung-galaxy-ace-s5830/ However after rooting it, it is restarting again and again. ...