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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weird case of boot loop

LG G2 D800 - STOCK five days ago, i woke up with my phone turned on while on a boot loop. turned it off and tried again and performed wipe cache and dalvik. the phone booted fine, while using the ...
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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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43 views

Build.prop density and bootloop. Why?

Im just starting with Android, i came across many threads in forums related to the fact that people changed the dpi value in build.prop and their device remained stuck in a bootloop. What i dont ...
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1answer
199 views

Galaxy Note 2 stuck at Samsung logo

I have a Galaxy note 2. My phone is stuck at Samsung logo and restarts every 2 seconds. I've also recorded my problem here I was trying to install a Custom ROM while this occurred, Any help would be ...
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85 views

How to Reflash stock rom?

How to reflash stock rom on Micromax canvas juice 2? Will reflashing also cure from bootloop or is there any easy altwrnative aolution to recover from bootloop?
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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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235 views

How to recover and restore accidentally deleted ODEX files back to /system/app/?

My rooted Cherry Mobile Omega Spectrum is stuck at Android boot logo. I accidentally deleted some ODEX files from the /system/app/ (including the autoreboot.odex) How can I recover and restore the ...
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1k views

LG Volt LS740: Device under boot-loop after I agreed to update it. Hard/soft reset didn't work

My phone LG Volt LS740 asked me to update, so I did. And before it continued it said it will turn off and then start the new update. I agreed. Now my phone keeps powering off and on like crazy and ...
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705 views

Vodafone Smart Tab 3G 7" not booting

I have a Vodafone Smart Tab 3G seven inch. This device was switched of & when I wanted to use it then it just displayed at bottom screen Powered by Android. And then black screen. Vodacom can't ...
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72 views

Stock LG-D500 Bootloop. Factory Reset only temporarily fixes

I checked a few of the other links/threads. Mostly it seems like people changed something (ROM, or went in a did something to permissions) whereas my phone has no changes made by me. There are/were ...
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1answer
371 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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72 views

Galaxy S2 stuck on the Samsung logo

I have a Galaxy S II Plus, GT-I9105P model. I don't know what happened to it, but suddenly it did a restart and since then it stuck on the logo of Samsung like this: The computer doesn't recognize ...
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143 views

Nexus 5 loops at Google logo when booting

I got a Nexus 5 for Christmas and it was working flawlessly until today. I wasn't doing anything, it had about 30% of battery but it turned off. I tried turning it on and it wouldn't do anything. ...
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66 views

Unexpected crash / phone randomly turning off

i have a samsung s5 with lollipop installed. The phone seems to randomly turn off. The phone enters a boot loop until i plug the charger in. It has happened several times, but i don't know how to ...
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120 views

Allview A5 Duo boot loop

So, I have a romanian Allview A5 DUO with android 4.2.2 stock. I had the phone for about a year and a half with no big problems except occasional random shutdown. A few days ago i woke up to a dead ...
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277 views

How to fix Xiaomi Redmi 1 bootloop

I need help I was flashing a new rom to my Xiaomi Redmi 1 well I was quite tired and misread the name of the image file so instead of flashing the new rom I ended up flashing a custom recovery image ...
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57 views

Nexus 7 stuck in boot-loop

After a few minutes of use, my N7 restarts. It all started when I was in Chrome and watched a video in full screen mode, and when I tried to get out of it the tablet rebooted. And every time you ...
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72 views

My S4 has a power issue. How do I access and save the data on the device memory without switching on the phone?

Truth be told, I have seen people access data off a phones local storage when the device has water damage or the screen is cracked by connecting it to a computer. How do I do this? As I used my phone ...
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3answers
1k 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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0answers
175 views

How to fix emmc memory showing 0mb?

Yesterday actually I messed my Xolo Q700. Actually I wanted to install a custom ROM "experia final" on it. But I didn't installed any custom recovery previously. So I installed TWRP recovery using ...
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1answer
1k views

How to repair-unbrick-solve my Galaxy Tab 3 10.1" after rooting

I was trying to root my device, but I think something went wrong. I may have bricked my Galaxy Tab 3 10.1. When I noticed that the device was in loop, I tried to root with the CF-Auto-Root file a few ...
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1answer
396 views

booting Android lenovo A6000+

I am using lenovo A6000+ phone. I have rooted it earlier with kingroot app, and recently there was system update, so I downloaded update and tried to install it but at the time of rebooting there ...
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1answer
438 views

Samsung Galaxy S4 auto restart

My Samsung Galaxy S4 auto restart. I removed Battery , SIM card , SD Card for over 1-2 hour, and replaced but the device still auto restart. I tried " Home"+ "Volume Down" + "Power" and saw the ...
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936 views

Lenovo Update failed. Stuck in recovery

Today my Lenovo A6000plus said there is an update to download, and I clicked it. It was a 9MB download. Download went fine, and to update it restarted to recovery. I think there is some error in the ...
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246 views

Are there other ways to enter fastboot mode if the power button is broken?

I've dropped my phone (ATRIX HD) and now it isn't turning on. The thing is when I connect to charger it shows the green light and start to boot (Motorola logo appears) but then it keeps restarting ...
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121 views

Moto G XT1031 Boost Mobile under boot-loop after installing Chainfire 3D Pro

My phone is rooted and has an unlocked boot-loader. I tried to install Chainfire 3D Pro and ended up with a bricked phone. I did reset my phone more than 3 times. I also tried few restore stock fix ...
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1answer
258 views

need help Nexus 9 stuck in endless reboot loop

need help here. I to tried rooting my Nexus 9 and have ended up getting it into an endless loop of it trying to optimize apps. I did see Firelord's post to do this... Using Firelords' and Jan's ...
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138 views

Samsung s3 i9300 does not boot anymore

I went through a lot of questions posted here but I could not figure out what to do. My samsung s3 keeps not booting and stucking at the samsung logo screen. It happens after a flashing of a rom by ...
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1answer
334 views

My Moto G (2014) stuck on a boot loop while plugged and now doesnt even boot to recovery while unplugged. Any solution?

My Moto G (2014) Indian Version seems to have stuck on a boot loop. When I long press power button to on the phone the sequence of loop is phone vibrates, notification LED blinks for once and the ...
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0answers
272 views

Nexus 7 (2013) Boot Failure

I have a Nexus 7 (2013), 32GB, WiFi-only, that won't boot. I had been using it daily, until it failed. I had left it running, but on the 1st day after the warranty expired it would not wake up ...
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504 views

Moto G 2014 XT1068 is bricked. Keeps looping and won't boot. What to do?

Ok so here's a couple things about my phone: Its bootloader is unlocked, it is rooted, and it has a custom recovery (TWRP). The problem is, my phone got stuck in the "WARNING, BOOTLOADER IS UNLOCKED" ...
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541 views

Boot looping Galaxy Ace GT-S5830i

I sent my broken phone to repairs, and they lost it. So I'm awaiting a replacement and in the meantime, I have a bog-standard non-smart phone. My mum very kindly said I could borrow her Samsung Galaxy ...
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604 views

OnePlus One running CM12S is stuck in boot loop

My OnePlus One is locked in an eternal boot loop, in which it boots to the boot screen, turns off, and then proceeds to repeat this over and over again. I left it on top of my air conditioner while ...
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1answer
239 views

Random reboots after screen replacement of Nexus 5, twice

I need your help, please. Last year I broke my Nexus 5 screen. After replacing the LCD (original) I encountered random reboots every day. I took it back to the store, they replaced the screen again ...
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1answer
353 views

Boot loop on Asus TF700T with Cyanogenmod 11 M12 and “Error mounting /data!”

My Asus TF700T with Cyanogenmod 11 M12 (20141112) and ClockworkMod Recovery v6.0.4, remains stuck in a boot loop after every reboot attempt. Earlier Cyanogenmod versions (I believe, it was 10.2 and 11 ...
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1answer
1k views

Install android on non-booting XT1033 (Moto G 1st gen) - USB debugging not enabled

I have a Moto G (XT1033) running Android 5.0.2 that went out of charge one day. It then decided to boot into a black screen - i.e. I can see the Motorola splash screen (animation) but all I get after ...
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181 views

Kurio 7s tablet stuck on boot screen

So I have a kurio 7s tablet for over a year now. I used it regularly but recently it wasn't being used for about a month. But today when I charged it and turned it on it is stuck on the kd interactive ...
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1answer
18 views

htc explorer not loaded after factory reset

I have rooted my HTC Explorer and it worked well. Due to some memory problems, it became slow. So I did a factory reset, after that my HTC Explorer is not loading, it shows only logo screen. What ...
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0answers
413 views

android box stuck at boot logo

I have an android box which is a no name chinese one RK3066 cortex A9 8GB android 4.1. it's been stuck on boot logo and since there is no reset or power or volume button on it I couldn't get it to ...
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694 views

Recover bricked android device

I have an android device (YotaPhone 2 actually) that is in continuously rebooting state with android logo showing on main screen. When phone wasn't bricked then was possible to boot into official ...
7
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5answers
10k views

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 ...
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1answer
310 views

Device stuck in boot loop

What should I do if my Android takes a long time to boot? It just shows the boot animation constantly. It has been running for 2 days just displaying the same power on animation.
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170 views

How to remove CM12 nightly from SPH L720

I installed CM 12 but my phone keeps re-booting even though the battery is charged. I mistakenly deleted the back up and I don't know how to remove it.
3
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5answers
4k 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 ...
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1answer
696 views

Failed to root CM 12.1 and nuked Samsung I9300

I upgraded to CM 12.1 and lost root on my Samsung Galaxy S3 (I9300). I tried to root the device with CF-auto-root again. It worked. But when I rebooted the phone, the blue android screen appears and ...
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1answer
3k views

Moto g partitions deleted .How to flash internal partitions again Emmc

UPDATE I have found this xda post with the partition table and sizes of the moto g. http://forum.xda-developers.com/showpost.php?p=48855450&postcount=35 I also found this xda post where they ...
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36 views

T98G tablet stuck on boot screen

I have a 9" T98G (Chinese tablet, MTK8382 processor) running Android 4.4. It is stuck on the boot screen and I don't know what to do. When I press the power button it just restarts and gets stuck ...
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56 views

Samsung Galaxy Nexus i9250 restarts continuously

I have my Galaxy Nexus i9250 which continuously restarts. I tried to wipe the data, but could not go through as it shows error as 'NO COMMAND'. How to fix it?
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520 views

Samsung Galaxy S Duos won't start up

My Samsung Galaxy S Duos (s7582) is not starting up and I think it's totally dead. I've also tried to boot the phone by holding Volume down+Home+Power together but it still doesn't start up. I ...
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458 views

M7_UL S-ON Will Not Enter Recovery, Fastboot Only no ADB (boot loop)

Question: Must the simcard that goes in the tray on the side of the HTC One M7_ul phone be present to access anything other than the bootloader? (I'm sincerely hoping the absence of the card [she's ...