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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How to enter safe mode on an HTC Desire w/CyanogenMod stuck in boot loop?

I have an HTC Desire with CyanogenMod 7 installed. After ignoring the low storage warning for a couple of months, it finally crashed and since then is stuck in the dreaded boot loop. I am able to ...
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178 views

TF700T boot-loop after a while

my tf700t is not modified. The ASUS Firmware V10.6.1.14.10 Only for WW is installed. Yesterday, suddenly the Transformer boots after a while. After Booting it runs for lets say 3 minutes and boot ...
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2answers
4k views

After enabling some xposed modules, my LG G2 (AT&T) is stuck in a error loop

Whenever I boot it up it says "Unfortunately, System UI has stopped.". It does allow me to hit ok, however when I hit ok I have about 1 second before it pops up again. Due to the passcode lock on my ...
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1answer
545 views

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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1answer
670 views

Some magic to remount /system

First of all: Phone's model is Alcatel One Touch Idol Mini / 6012X Chipset model is MT6572 The short version: The device is in boot loop and to resolve this I must rename a file. The problem is that ...
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1answer
19k 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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0answers
130 views

Infinite Reboot Loop

I have a HTC EVO 4G (aka Supersonic) running Android 2.3.5 (aka Gingerbread) and last night I turned it off because it was running low on power. I connected it to the charger before going to bed and ...
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1answer
7k 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
338 views

Recover data from bootlooped phone

I have a Samsung Galaxy S Plus (GT-I9003) that is stuck in a boot loop. It is running the stock Samsung firmware (Android 2.3.5). I want to recover the data (specifically of the Memo application) from ...
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1answer
3k views

adb for bootloop

I am in the middle of trying to understand the correct procedure to recover my data from a phone that went into a bootloop. I installed android sdk, with adb tools. Also installed ODIN (although I ...
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219 views

Huawei Mercury stuck in boot loop

about 4 weeks ago, i was developing a paranoidandroid rom for my huawei mercury. well, after the download, i needed to unzip the .zip file (using the base/port method). well, that was taking WAY to ...
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511 views

Problem upgrading a Lenovo A2107

I have a Lenovo Ideapad A2107-H and I read this guide. I followed the guide step by step to upgrade my Tablet. On step 6 I got assert failed: getprop("ro.product.device"), so I deleted this line in ...
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277 views

Reflash 1st Gen Kindle Fire Bootloader?

I rooted my Kindle Fire and flashed TWRP, FireFireFire, and AOKP, and it's been working fine for a while. Recently, however, there have been strange problems with the bootloader. It has gotten to the ...
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372 views

i corrupted my internal harddrive on my phone. (the drive where the /image folder is)

well. a few weeks ago, i was flashing roms to my new huawei mercury m886. i am an android developer, and i did the stupidest thing i could ever do. i needed to get into a paranoid android rom, and it ...
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2answers
1k views

Rooted, Encrypted Galaxy Note 8" stuck in bootloop!

I am a noob. In a nutshell, I poked at things I shouldn't have after rooting/encrypting my galaxy note 8" tablet (GT-N5110) and now it continuously loops through the boot up screen. It gives me just ...
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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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1answer
4k views

Charging Boot Loop on Samsung Galaxy Tab 2 7.0

I have a rooted Galaxy Tab 2 7.0 (p3113) that has worked fine for over a year. After draining the battery completely out (which I have done many times before), I plugged it in to find it stuck in a ...
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0answers
5k 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 ...
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1answer
1k views

Samsung Galaxy S2 factory-reset lead to boot-loop

I have a Samsung Galaxy S2. I factory-reset my phone from the Settings option, but it is taking too much time. It has been 24 hours already, but the device is only boot-looping. I've also tried to ...
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0answers
1k views

android boot loop after wipe/data factory reset clockworkmod

i have a huawei y210. I installed clockworkmod and tried to install a stock rom to remove third party apps. But when I tried to use the "update.app" in step 2 the update failed. I booted in to ...
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1answer
1k views

My phone can't start after backup failed

I tried backing up my Galaxy S4 using this method: http://galaxys4root.com/galaxy-s4-tutorials/how-to-backuprestore-rom-on-galaxy-s4-with-root-cwm-recovery/ 1st backup failed but I could still boot ...
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0answers
381 views

LG L5 restarts every minute

I don't know what I've done to my LG L5, but now it's just restarting and restarting. I've rooted my phone using adb and installed ClockworkMod recovery, but now it just restarts every time it loads ...
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269 views

One S reboots with new CM 3.4 Kernel

This is something that's been bugging me ever since the 3.4 kernel was released: Problem: I am getting intermittent reboots when using any ROM which is based on the 3.4 kernel. It happens totally at ...
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1answer
635 views

TF700 boot loop after update to CM10.1.2

The Transformer Pad TF700T worked almost fine with the previous Cyanogenmod10. Today I updated the pad with the CM-Update Manager. It downloaded the cm10.1.2 update package and then booted recovery. ...
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3answers
2k views

Motorola Defy stuck in animation loop with CynogenMod7

I have installed CynogenMod7 (Jordan) on my Motorola Defy using ClockworkMod Recovery. The phone boots up, first with a screen saying "Google" and then an animation of the Android mascot ...
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2answers
2k views

Galaxy Discover stuck on recovery mode

A few days go, I got a phone call and shortly after hanging the phone up, it suddenly turned off. After 1-2 attempts to turn it on, it finally worked, but put me in System Recovery with a dead android ...
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0answers
1k 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 ...
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1answer
286 views

FireFireFire Kindle Fire stuck in strange bootloop

I have a Kindle Fire (1st gen) using the FireFireFire bootloader to boot TWRP and AOKP. It has worked fine for a while before. Now, I cannot turn it on when it is not plugged in. When it is plugged ...
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1answer
7k views

Nexus 7 (2013) Won't Boot Normally or into Recovery After Attempted Root

So I thought it would be a great idea to try and root my brand new 2013 Nexus 7. After checking out a few tutorials online, I found one for mac, and downloaded the toolkit at: ...
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163 views

Recharge interface infinite boot loop

I'm having this problem for a while and don't remember exactly how it occurred, if I remember well, it started happening after flashing a non-stock ROM with CWM, but can't really reproduce it. ...
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0answers
3k views

Samsung Galaxy Note N7000 bootloop

I am using a samsung galaxy note GT N7000. I was getting error of insufficient space. To overcome it I wanted to partition external SD memory. I downloaded 3 files (CMM.zip, CMM Super SU and Franco ...
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1answer
2k 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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0answers
490 views

Nexus S in reboot loop

My Nexus S (completely original) is stuck in a reboot loop. I don't know why. It just reboots, shuts down, and does the same again and again. I tried removing the battery, loading 100%, removing SIM ...
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3answers
10k views

bricked generic chinese android tablet - AlldayMall adm-tp001

I have a generic chinese tablet running Android 4.1.1, stuck on boot. I can get into recovery mode and I did a factory reset. But it is still stuck. I am not sure what to do at this point. I can't ...
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0answers
567 views

Samsung Galaxy S3 Rebooting. Even after factory wipe

So today my (non-rooted) Galaxy S3 rebooted itself once or twice, then it shut off (94% battery) and after that I could not get it booted again. I could not hard reboot by holding down the power ...
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1answer
255 views

A second Boot Loop, any underlying causes?

Recently, a while after I rooted my Galaxy SII, I decided to take the plunge and flash a custom rom. I went with the stable slimbean roms, It survived for a little over a month or two, with 1 maybe ...
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0answers
203 views

Samsung Galaxy S2 boot loop

Today I updated my S2 with the android version provided by the carrier, but I thought it went wrong because of the lack of space on /storage and afterwords some of the apps lost their settings. Also ...
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1answer
3k views

phone stuck while loading cyanogenmod

I am using a Samsung Galaxy Y. Everytime I switch on my phone it goes from samsung logo to cyanogenmod loading. What do i do? I have waited for an hour.
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398 views

Android logo hangup

Anybody knows how to fix this problem? I have a tablet probably made in China. It always hanging up in android logo with the black background and didn't enter to the OS desktop. The store where we ...
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0answers
160 views

SmartBook Surfer - Bootmanager broken after ROM-flash

I recently installed the VegaComb ROM to my Smartbook Surfer MN10U. Obviously I got the wrong ROM, which causes a boot loop. The worse problem is, that I'm now unable to access the Clockwork ...
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1answer
58 views

Android Os problem

I necessarily deleted a folder called app (it contained the basic apps .apk files and other files for example: calculator.apk) on my samsung galaxy mini. After that everything seemed to froze, so I ...
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3answers
459 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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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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3answers
2k views

Sony Live With The Walkman : Phone is restarting continuously

I have a problem with my Sony Live With The WalkMan phone, it has Android 4.0 (ICS) and was working well before last week, the problem started a week before when I tried turning on my phone's ...
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2answers
941 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 ...
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1answer
4k views

Cannot boot into recovery (Samsung Galaxy S)

My GT-I9000 device recently got stuck in a bootloop, and now I'm trying to put CyanogenMod on it, hoping that this would fix the situation. I can use Heimdall to install the ClockworkMod Recovery on ...
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1answer
457 views

What can I do to save my Samsung Galaxy from a bootloop?

I have a relatively old phone that I would like to make some use of again. It's the GT-I9000, and it's currently stuck in a bootloop. I'd like to install CyanogenMod on it. I've already flashed it ...
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0answers
1k views

Note 10.1 stuck in restart loop

I bought the Note 10.1 two months ago. But now my Note is stuck in a restarting loop for a second time. First, it happened last month. I already got that fixed by the service center. I asked the ...
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0answers
249 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 ...
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2answers
5k views

Samsung Galaxy S stuck at bootloop

I've bricked my old Galaxy S (GT-I9000) into a bootloop. Trying to fix that, I've uploaded Semaphore's ClockworkMod Recovery to my device successfully via Linux. However, when I press ...