Database Develop

[Q] Stuck on boot animation after flashing Stock ROM

Alright, here's the story. I needed to unlock my phone, so I looked up a few guides. I found one that I like and was checking to see if the ROM I had installed would allow me to enter in my unlock code after I got it, unfortunately it wouldn't. So I decided to flash the stock ROM for my phone. Odin did it's job, and everything seemed to go alright, but after Odin finished up, the phone still remained in the boot screen. I let it sit for a while, and it continued on for about half an hour. I restarted it, went to go do some things. I came back hoping that my problem would be solved, but nope, still a looping boot animation. Has anyone else had this problem, or have some idea on how I might work around this?
TLR; Phone is stuck on boot animation after flashing Stock ROM.

skribel said:
Alright, here's the story. I needed to unlock my phone, so I looked up a few guides. I found one that I like and was checking to see if the ROM I had installed would allow me to enter in my unlock code after I got it, unfortunately it wouldn't. So I decided to flash the stock ROM for my phone. Odin did it's job, and everything seemed to go alright, but after Odin finished up, the phone still remained in the boot screen. I let it sit for a while, and it continued on for about half an hour. I restarted it, went to go do some things. I came back hoping that my problem would be solved, but nope, still a looping boot animation. Has anyone else had this problem, or have some idea on how I might work around this?
TLR; Phone is stuck on boot animation after flashing Stock ROM.
Click to expand...
Click to collapse
Enter recovery and wipe data
Sent from my Sony Tablet S using xda app-developers app

[B]thats the hardest brick man[/B]
happened to me while doing something stupid to my kernel... believe me it is impossible to fix.
i took it to my ISP they said its liquid damage but it wasnt i knew... they said BER(beyond economic repair)
so i took it to samsung and collected it after 10-15 days. from the looks of things they changed my motherboard.
you can return it even if warranty is void(they cannot tell if its void or not)
mine only blinked when i tried recovery,download or charge and showed logo when i turn on only.

Hi There,
You will need to enter the Recovery Mode and Have a Factory Reset and Wipe Dalvik cache. If the device doesnt enter recovery you can force it to do so using JIGG or Heidmall. After wiping if still no progress. You should check whether you have flashed the correct stock rom according to your Country.

July OTA Update Bricked my Phone -- AT&T refusing to replace. Help!

Completely untouched phone from AT&T. Have never rooted or modded this phone in any way.
The update that came out this month was sending my phone into random boot loops. Would have to take the battery out and after a few tries it would stay on for a while then at some point in the day randomly go back to the boot loop.
I backed everything up through Kies then went into the recovery menu and attempted a factory reset. This sent the phone into a permanent boot loop -- would never turn on or off. Sammy logo flashes and it would reboot. Only way to get it to stop is to take the battery out.
Attempted to go back to 4.4 through Odin since those where the only firmware files I was able to find. Updated failed. Now, when I turn it on and I just get "Firmware upgrade encountered an issue. Please select recovery mode in kies and try again."
Kies will not recognize phone. Cannot update firmare from internal storage because I can't even get into recovery menu -- it just goes right back to the same screen.
Called AT&T and the rep told me he would replace the phone through warranty even though I was past my warranty date. He told me this update has messed up a lot of phones and this is not the first he's of it. Then his manager gets on to approve the warranty replacement and she refuses to honor his promise -- tells me they won't do it, I'm SOL, and I can use my upgrade. Maddening!
Please help -- I need a working phone!

LiquidArrogance said:
Completely untouched phone from AT&T. Have never rooted or modded this phone in any way.
The update that came out this month was sending my phone into random boot loops. Would have to take the battery out and after a few tries it would stay on for a while then at some point in the day randomly go back to the boot loop.
I backed everything up through Kies then went into the recovery menu and attempted a factory reset. This sent the phone into a permanent boot loop -- would never turn on or off. Sammy logo flashes and it would reboot. Only way to get it to stop is to take the battery out.
Attempted to go back to 4.4 through Odin since those where the only firmware files I was able to find. Updated failed. Now, when I turn it on and I just get "Firmware upgrade encountered an issue. Please select recovery mode in kies and try again."
Kies will not recognize phone. Cannot update firmare from internal storage because I can't even get into recovery menu -- it just goes right back to the same screen.
Called AT&T and the rep told me he would replace the phone through warranty even though I was past my warranty date. He told me this update has messed up a lot of phones and this is not the first he's of it. Then his manager gets on to approve the warranty replacement and she refuses to honor his promise -- tells me they won't do it, I'm SOL, and I can use my upgrade. Maddening!
Please help -- I need a working phone!
Click to expand...
Click to collapse
Most attempts to downgrade only flash the kernel so here is the OF2 kernel which should get your phone to boot again. Flash with Odin:
G900A_OF2_Stock_Kernel
Once your phone boots place the G900A_OC4_tF2_OTA.zip onto your extsd card and flash as update from stock recovery. That should get you back to 100% factory stock. Do a factory reset after flashing and if it still does not work I suspect a hardware problem.

muniz_ri said:
Most attempts to downgrade only flash the kernel so here is the OF2 kernel which should get your phone to boot again. Flash with Odin:
G900A_OF2_Stock_Kernel
Once your phone boots place the G900A_OC4_tF2_OTA.zip onto your extsd card and flash as update from stock recovery. That should get you back to 100% factory stock. Do a factory reset after flashing and if it still does not work I suspect a hardware problem.
Click to expand...
Click to collapse
Thank you for the reply!!
Kernal flash worked and I was super excited to get back to recovery menu -- way more progress than I've had up until now!
Unfortunately when it went to reset after installing the update from external storage, it went straight back into the Sammy logo boot loop

Is there physical damage on the phone, thus why att didn't do the warranty?
Sent from my HTC One_M8 using Tapatalk

LiquidArrogance said:
Thank you for the reply!!
Kernal flash worked and I was super excited to get back to recovery menu -- way more progress than I've had up until now!
Unfortunately when it went to reset after installing the update from external storage, it went straight back into the Sammy logo boot loop
Click to expand...
Click to collapse
Take it to Best Buy or an ATT Store and have them reflash it before you toss it away. Good luck

muniz_ri said:
Take it to Best Buy or an ATT Store and have them reflash it before you toss it away. Good luck
Click to expand...
Click to collapse
No idea what just happened. I've been messing around throwing the kernel you recommended at it as well as the stock partitions. Kept getting back to boot loop but at one point it stuck out, said it was upgrading, optimizing apps, and now it's running. So weird.
I'm way too scared to do the factory reset at this point, though.
Thank you again for your help, I really appreciate it!
Edit: Unplugged the USB cable and it immediately shut off and went back into boot loop. Wow.

this sounds like a hardware problem.. i sent my phone to Samsung and they actually repaired it, it was the pba board, i had the same problem.. i flashed everything it needed to recover from a bootloop. and sometimes it would become non responsive. go to best buy and see what they tell you.
Sent from my UNROOTED SAMSUNG-SM-G900A on OF2

Update:
Thanks to everyone for their replies. I was able to get the phone to boot thanks to everyone's help. Did this by flashing kernel then partitions which would allow the phone to boot.
I finally figured out that the phone would only boot if plugged directly into a power source. As soon as I disconnected the power cable, it would send it right back into the boot loop. I ran some battery "repair" and "calibration" tools but these did not fix the issue. Whenever I would run a battery drain tool, the stress on the battery would cause the phone to shut down.
All of this led me to believe it was an issue with the battery. I held my wife's S4 battery to the contacts on the S5, and it works just fine, even disconnected, and even with the stress test on the battery.
SO -- I'm going to buy a new battery and see if this fixes my problems. I think I just had the perfect storm of battery issues coupled with firmware problems.
I'm pretty sure I know what caused the battery to go haywire. I work in a max security prison and have to leave my phone in the car all day. Outside temperatures regularly hit 105F+ during the summer, so who knows how hot it's getting in the car. Obviously I always leave the phone turned off, but I suspect the high temperatures caused the damage.
Going to try to find a new battery today. Will keep everyone posted! Thank you again for all of the replies.

I had the same issue and would just like to thank you for the files! They helped me unbrick my phone! Much appreciated.

Semi-bricked device and can't flash stock

Hello guys,
suddenly my Note 4 won't work anymore, it freezes and reboots every 30 seconds. The sim card won't be recognized and in the settings things like IMEI and the carrier are unknown. Deleting cache in recovery didn't solve anything. I didn't do anything, the phone wasn't rooted, I didn't try to flash something, it justs got semi-bricked one day! Then I got a new battery and then it worked again! At least for some hours. Then it froze and rebooted again.
So I tried to flash stock with odin. Didn't work, even with the pit file and different versions of odin. It stops right at the beginning.
It's a N910F if you want to know.
And yeah, KNOX counter still at 0x0. But I don't have warranty any more.
Thanks in advance!

When did this start? Funny thing I have a similar issue. Yesterday my phone was fine. Had it with me on my desk until I went to bed, plugged it in and thought nothing of it. About half hour after I get to sleep the phone reboots, I hear the TMO gingle. I paid no attention to it, about 15 minutes later it does it again. I shut it off and this morning it all went downhill. Phone won't stay on, keeps rebooting. It sometimes freezes and becomes unresponsive.. you name it, everything that could have gone sideways has.

Jhnsn said:
Hello guys,
suddenly my Note 4 won't work anymore, it freezes and reboots every 30 seconds. The sim card won't be recognized and in the settings things like IMEI and the carrier are unknown. Deleting cache in recovery didn't solve anything. I didn't do anything, the phone wasn't rooted, I didn't try to flash something, it justs got semi-bricked one day! Then I got a new battery and then it worked again! At least for some hours. Then it froze and rebooted again.
So I tried to flash stock with odin. Didn't work, even with the pit file and different versions of odin. It stops right at the beginning.
It's a N910F if you want to know.
And yeah, KNOX counter still at 0x0. But I don't have warranty any more.
Thanks in advance!
Click to expand...
Click to collapse
Probably your motherboard is dying.
Try to flash twrp recovery via odin and flash any rom and see if it works.

RIP mine is completely dead. Won't boot anything at all. Best of luck to you OP.

I have the same issue. Changed battery, nada. Flashed stock via odin, and it'll flash, and then it'll boot for a bit after flashing then freeze and go into bootloop, even if i try to boot into safe mode and try to boot into recovery. Flashing twrp with odin just makes it bootloop. I've tried every combination of things and can't get this thing to boot up properly. I'm convinced its a hardware issue.... perhaps processor going as someone above has mentioned?

Having Problems Please help- Phone is in a weird state SM-N910T

So first off thanks for reading and trying to help.
I am having the following problem:
First of no updates were installed recently. I did update to the latest December update in early January.
Few days ago my phone SM-N910T froze up and seemed to have shut down. After being unable to restart i pulled the battery, put it back in and nothing happened. I left it out for 5 minutes plugged it back in and the phone booted up. But as soon as the screen turned off the phone heated up and would not turn on. I've been dying to just start anew anyway so I tried using Kies to restore the phone however this failed twice.
I downloaded Odin and Stock N910T3UVS3EPK2.
I flashed TWRP Recovery. And then tried to Flash the firmware which failed several times and i started getting errors.
“Could not do normal boot, mmc_read failed”
Kernel is not seandroid enforcing
as well as others.
After rebooting it several times it started working I was able to log in and set everything up, but the phone started freezing up again.
I blew everything away did a Data Wipe in TWRP. I then downloaded N910T3UVS3EPK2 Stock Rooted Odex from here.
When trying to flash it, it failed several times. and i started getting No Pit Binary errors. After trying several times with different cables and USB ports it finally took. But i am still having the same problems with freezing and restarting.
THE ONLY THING THAT HELPED: And this is a band aid fix, is I installed the wake lock app from the google store and enable Partial Wake Lock.
The phone is stable but only until i restart it at which point it goes into Download Mode and i have to restart several times and prey it boots up.
HALP! :crying:

I had the same problem, and MANY MANY others have this issue too. For months i fought with it without any success. I ordered new motherboard and now my phone is working again.
Please check General forum. There is a big thread about installing KitKat from another phone which apparently fixed this issue. Dig around that thread and read about it, might be a solution!

AntonJart said:
I had the same problem, and MANY MANY others have this issue too. For months i fought with it without any success. I ordered new motherboard and now my phone is working again.
Please check General forum. There is a big thread about installing KitKat from another phone which apparently fixed this issue. Dig around that thread and read about it, might be a solution!
Click to expand...
Click to collapse
I saw that thread, but most of those people started having the issue after the update. If the kit kat update fixes it then i'm at a loss. And since a new board fixed the issue for you that means most likely the the memory is beginning to fail. That's how SSDs die anyway.

tempy1 said:
So first off thanks for reading and trying to help.
I am having the following problem:
First of no updates were installed recently. I did update to the latest December update in early January.
Few days ago my phone SM-N910T froze up and seemed to have shut down. After being unable to restart i pulled the battery, put it back in and nothing happened. I left it out for 5 minutes plugged it back in and the phone booted up. But as soon as the screen turned off the phone heated up and would not turn on. I've been dying to just start anew anyway so I tried using Kies to restore the phone however this failed twice.
I downloaded Odin and Stock N910T3UVS3EPK2.
I flashed TWRP Recovery. And then tried to Flash the firmware which failed several times and i started getting errors.
“Could not do normal boot, mmc_read failed”
Kernel is not seandroid enforcing
as well as others.
After rebooting it several times it started working I was able to log in and set everything up, but the phone started freezing up again.
I blew everything away did a Data Wipe in TWRP. I then downloaded N910T3UVS3EPK2 Stock Rooted Odex from here.
When trying to flash it, it failed several times. and i started getting No Pit Binary errors. After trying several times with different cables and USB ports it finally took. But i am still having the same problems with freezing and restarting.
THE ONLY THING THAT HELPED: And this is a band aid fix, is I installed the wake lock app from the google store and enable Partial Wake Lock.
The phone is stable but only until i restart it at which point it goes into Download Mode and i have to restart several times and prey it boots up.
HALP! :crying:
Click to expand...
Click to collapse
Do you have "T3"or "T" model?
The files given below is for "T" variant do not try if you have T3.
It sounds crazy to tell you but trust me this will work.
Put your phone in freezer for about 2 hours then do the steps below if you want to recover your device as it was before.
Go to download mode
Flash 5.0.1 modem via odin choose (CP) tab this will fix emmc read fail error.
https://www.androidfilehost.com/?fid=24052804347820086
Dont reboot to system go to download mode again.
Then flash full 5.1.1 lollipop ok1 firmware
https://www.androidfilehost.com/?fid=312968873555011894
.once it pass dont let the phone reboot.
Go to stock recovery and wipe cache & data factory reset.
Reboot wait 10 minutes dont touch anything let the phone rest.
Complete setup and dont download anything any apps go to software update and take all marshmallow ota updates.
Once finish do factory reset again and you will get clean operating system without any issues.

Trex888 said:
Do you have "T3"or "T" model?
The files given below is for "T" variant do not try if you have T3.
It sounds crazy to tell you but trust me this will work.
Put your phone in freezer for about 2 hours then do the steps below if you want to recover your device as it was before.
Go to download mode
Flash 5.0.1 modem via odin choose (CP) tab this will fix emmc read fail error.
https://www.androidfilehost.com/?fid=24052804347820086
Dont reboot to system go to download mode again.
Then flash full 5.1.1 lollipop ok1 firmware
https://www.androidfilehost.com/?fid=312968873555011894
.once it pass dont let the phone reboot.
Go to stock recovery and wipe cache & data factory reset.
Reboot wait 10 minutes dont touch anything let the phone rest.
Complete setup and dont download anything any apps go to software update and take all marshmallow ota updates.
Once finish do factory reset again and you will get clean operating system without any issues.
Click to expand...
Click to collapse
I have the " T " variant
I've read this before. I am a logical person I want to understand why this would work. Also when placing the phone in the freezer (i feel like i'm being pranked) do i place it in there with the battery?
I will definitely try this since I have nothing to lose. But i have a phone heavy next few weeks and i don't have a backup

tempy1 said:
I have the " T " variant
I've read this before. I am a logical person I want to understand why this would work. Also when placing the phone in the freezer (i feel like i'm being pranked) do i place it in there with the battery?
I will definitely try this since I have nothing to lose. But i have a phone heavy next few weeks and i don't have a backup
Click to expand...
Click to collapse
Without battery in freezer.
No idea how it works but good thing is hopefully it will work cuz lot of users even recover their hard bricked devices by this.
As you said you have nothing to lose so give it a try and make sure be patient dont give up and do this when you have enough time to do at least couple of hours.

I should mention that I had an 'injured' 910t after upgrading, and the freezer thing worked for months. I think there is a thermal issue and something is physically getting de-soldered in the motherboard. @Trex888, I will try your fix - I got a NEW Note4 2 weeks ago and it is running 5.0.1 and it bricked....
IF ANY OTHER COMPANY SOLD A PHONE WITH STYLUS, i WOULD TOSS THE NOTE4 IN THE TRASH....

keithwwalker said:
I should mention that I had an 'injured' 910t after upgrading, and the freezer thing worked for months. I think there is a thermal issue and something is physically getting de-soldered in the motherboard. @Trex888, I will try your fix - I got a NEW Note4 2 weeks ago and it is running 5.0.1 and it bricked....
IF ANY OTHER COMPANY SOLD A PHONE WITH STYLUS, i WOULD TOSS THE NOTE4 IN THE TRASH....
Click to expand...
Click to collapse
so wait the freezer thing was not even a permanent fix?

No, the freezer sometimes helps you get a bricked device so that it turns on. It doesn't fix thermal issues. I believe it helps some electrical connection that has broken come into contact again.

I can't go to download mode or recovery. I tried both ways But there is no way to use my device.

Trex888 said:
Do you have "T3"or "T" model?
The files given below is for "T" variant do not try if you have T3.
It sounds crazy to tell you but trust me this will work.
Put your phone in freezer for about 2 hours then do the steps below if you want to recover your device as it was before.
Go to download mode
Flash 5.0.1 modem via odin choose (CP) tab this will fix emmc read fail error.
https://www.androidfilehost.com/?fid=24052804347820086
Dont reboot to system go to download mode again.
Then flash full 5.1.1 lollipop ok1 firmware
https://www.androidfilehost.com/?fid=312968873555011894
.once it pass dont let the phone reboot.
Go to stock recovery and wipe cache & data factory reset.
Reboot wait 10 minutes dont touch anything let the phone rest.
Complete setup and dont download anything any apps go to software update and take all marshmallow ota updates.
Once finish do factory reset again and you will get clean operating system without any issues.
Click to expand...
Click to collapse
So i recently had a baby, thus i had no time at all to get my phone to work. WakeLock app was working alright.
But last night the phone just died. all attempts to revive failed. I left it in the freezer until the morning and it booted up but quickly locked up after about 5 minutes of use and became unresponsive.
I tried your method.
I failed right away. Modem could not be written..
I tried flashing the pit files like i did previously and that failed as well.
Any suggestions are appreciated. I am phoneless
EDIT#2: After I left the phone in the freezer for longer (3 hours). The odin firmware update went through !!!! This furtherst i've gone so far.
I went into recovery and did everything you said.
BUT now i have Kernel Panic Upload Mode on my screen with a little green android
EDit#3 few battery pulls later. And an over 15 minute wait time on the android logo and then about the same on the t-mobile logo i got into the OS. I did the OTA update, the phone heated up and a few restarts later it froze up like it did previously
Back to square 1

EDIT: THIS helped for a few days
https://forum.xda-developers.com/note-4-tmobile/general/ddi-mmcread-failed-boot-error-fix-t3434335
Day 2: and all went back to the phone not waking up and after screen is turned off

Samsung Galaxy S6 stuck in bootloop, after superSU failed to reinstall and rebooted.

Hi, i'm kinda new to all of this, so literally any help is appreciated.
I recently rooted my S6, and managed to get it stuck in a boot loop on the Samsung screen, with the logo in the centre, slowly fading from light to dark repeatedly.
This happened when i accidentally logged out of my snapchat, causing it to detect my device was rooted and wouldn't let me log back in. I got around this by updating my superSU and disabling it as i logged into my snapchat. Once i was back into my snapchat i went to re enable superSU, but it failed the reinstall and prompted me to reboot, so i did, then ended up getting stuck at the boot screen for the past 3 hours.
I don't know if what i tried was right, or even helped or made the problem worse.
I have tried reinstalling the custom kernel, re flashing the superSU through recovery, using ODIN to flash the original OS but each time i tried it failed, i might be using the wrong firmware, not sure, but i have a SG920F and installed the firmware for that, but it failed when doing so. I also never had the chance to create a back up as my phone didn't have enough storage to do so... It's at the point where im happy to factory reset im just not sure what to do.
I'm genuinely sad that i messed this up, and managed to brick my phone already. If anyone can help please reply to this...
Thanks.

theBoyAnt said:
Hi, i'm kinda new to all of this, so literally any help is appreciated.
I recently rooted my S6, and managed to get it stuck in a boot loop on the Samsung screen, with the logo in the centre, slowly fading from light to dark repeatedly.
This happened when i accidentally logged out of my snapchat, causing it to detect my device was rooted and wouldn't let me log back in. I got around this by updating my superSU and disabling it as i logged into my snapchat. Once i was back into my snapchat i went to re enable superSU, but it failed the reinstall and prompted me to reboot, so i did, then ended up getting stuck at the boot screen for the past 3 hours.
I don't know if what i tried was right, or even helped or made the problem worse.
I have tried reinstalling the custom kernel, re flashing the superSU through recovery, using ODIN to flash the original OS but each time i tried it failed, i might be using the wrong firmware, not sure, but i have a SG920F and installed the firmware for that, but it failed when doing so. I also never had the chance to create a back up as my phone didn't have enough storage to do so... It's at the point where im happy to factory reset im just not sure what to do.
I'm genuinely sad that i messed this up, and managed to brick my phone already. If anyone can help please reply to this...
Thanks.
Click to expand...
Click to collapse
I think it should be fixable. Firmware should be available at sammobile.com

RealWelder said:
I think it should be fixable. Firmware should be available at sammobile.com
Click to expand...
Click to collapse
Ah! Didn't know this! Thanks, will download it now and use odin to get it back on my phone, will update here if it works or not!