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 ...
7
votes
2answers
12k views

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 ...
6
votes
4answers
1k 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 ...
5
votes
2answers
5k views

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 ...
5
votes
6answers
17k 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 ...
5
votes
2answers
23k 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 ...
5
votes
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 ...
4
votes
3answers
5k 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 ...
4
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 ...
4
votes
1answer
4k views

Unstable S4 - AbsListView

I've been having an issue on my Galaxy S4 following the 4.3 update whereby it will occasionally reboot the phone then go into a reboot loop. If connected to a charge the loop will stop and the battery ...
4
votes
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 ...
3
votes
4answers
16k views

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 ...
3
votes
3answers
33k views

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 ...
3
votes
1answer
6k views

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 ...
3
votes
1answer
11k 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 ...
3
votes
4answers
64k 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 ...
3
votes
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 ...
3
votes
2answers
15k 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 ...
3
votes
2answers
509 views

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 ...
3
votes
1answer
2k 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
556 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
votes
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 ...
3
votes
0answers
576 views

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 ...
3
votes
2answers
2k views

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 ...
3
votes
2answers
2k views

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 ...
2
votes
1answer
14k views

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
11k 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
2k 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
1k 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 ...
2
votes
1answer
9k views

Android debugging-Boot Loops: Is there any way to get a log of information without ADB? Can the emulator even 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 ...
2
votes
1answer
3k 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 ...
2
votes
1answer
28k 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 ...
2
votes
1answer
395 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 ...
2
votes
1answer
50k views

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. ...
2
votes
1answer
968 views

Nexus 7 issues with lagging, boot-loops, NFC greyed out, and depressed CPU states

I have a Nexus 7 16GB which behaved wonderfully for a few months. I used an NFC app once and the tablet began boot-looping, and lagging. I turned off NFC when I could and reset the tablet. It was ...
2
votes
0answers
42 views

Bootloop phone wont boot after boot screen

Folks, I've rooted by buddy's phone and tried changing the boot animation to marvel boot screen, but unfortunately the phone won't boot further it keeps looping at boot animation. Now the phone's ...
2
votes
0answers
594 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 ...
2
votes
1answer
8k 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 ...
2
votes
0answers
531 views

Can an Android phone be backed up while stuck at boot loop?

I have Samsung Galaxy Note N-7000 which got stuck at boot loop after installing and opening and app called InstaFrame, is there anyway to backup the device before doing a factory reset to get the ...
2
votes
0answers
215 views

Softbrick after Phone hanging. Rooted but Stock ROM on Nexus 5

I have a really big problem... I have my Nexus 5 for 2 months now and not it doesn't restart anymore. My phone is rooted and on Stock Android 4.4.2 and enabled developer mode (tapping that 15 times ...
2
votes
0answers
7k views

S Galaxy mini 2 rebooting every 12 seconds… I'd like at least to save some data!

A pair of months ago I bought my first smartphone, so I am quite the noob. Suddently last week it decided to restart every 12-13 seconds (literally), as long as I don't remove the battery, and I can't ...
2
votes
0answers
2k views

Galaxy S2 stuck in boot loop (nor reco, no safe mode working)

I have a Samsung Galaxy S2 GT-I9100 that when hot after intensive use, the day after while rebooting it got stuck to the Samsung initial logo screen and could never start again. I have tried the boot ...
2
votes
2answers
1k views

Can downgrading OS make Xperia Neo V, boot after a boot loop

My Neo V MT11i was upgraded to ICS a few days ago. Today when I turned on bluetooth, it started to reboot repeatedly. I tried to hard reset using sets of button as posted in some blogs but still I ...
2
votes
0answers
282 views

The odyssey for CM10, all i get is a bootloop. How can i solve this?

I'm here to discuss about the unlocking of my new LG Optimus L5. I'll start saying that it come oot with Android 4.1.2 and the LG mod v20b. I wanted to delete all the LG stuffs that slow the phone so ...
2
votes
1answer
6k views

Sony Xperia Z stuck in a bootloop

My Xperia Z is stuck int a bootloop. It goes up to the colorful waves and then it restarts. It was connected with USB in charging mode. Suddenly, it starts restarting. I thought it might be carrying ...
2
votes
1answer
7k 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.
2
votes
0answers
820 views

Nexus 7 boot loop

I'm not certain if this is the same as the other two questions about boot loop on the nexus 7, but I have a nexus 7 that goes into a boot loop. It boots to the point of the unlock screen, then it ...
2
votes
0answers
703 views

Cyanogenmod remains in a bootloader loop

Hello I have a Wildfire and I installed Cyanogenmod 7.2.0 following this guide: http://wiki.cyanogenmod.org/wiki/HTC_Wildfire:_Full_Update_Guide After I did this the keyboard stopped working so I ...
2
votes
1answer
903 views

How to confirm if motherboard is broken

This is in reference to my other question. My phone was not working so I showed it to service center guy and he said the motherboard is broken and needs to be replaced. I can flash custom ROMs to ...