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Please help! Stuck on boot screen

I left my phone charging overnight as I have done many times with no issue. When I woke up I pressed the home button and the only thing that shows was my wallpaper. Wouldn't show anything else. I then did a battery pull. It now gets stuck at the note 4 powered by android screen. A little history in case it helps. This is an unlocked at&t model that I am using on t-mobile. It's not rooted or anything. A few weeks ago I downloaded the recent 5.0.1 small update. In the past week a notification keeps appearing and disappearing from the menu. It was dm software download or something which would disappear if I clicked it.
So it's stuck on the boot screen today. I booted in to the recovery screen. It starts by saying "installing system update" with the little android. Then it goes to recovery menu. At the bottom it says "dm-verity verification failed". I tried to wipe cache and reboot but it still gets stuck at the boot screen. Another small detail is after turning phone off if I plug it in the charger it stays at the grey lighting screen and does not show any battery percentage.
I don't know what to do. I really need my phone today as I am traveling. I hope someone can please help me. Thank you.

In the case u tried recovery now u should flash ur stock rom.

How do I flash the stock rom? Should I do that before trying a factory wipe/reset? I haven't tried that because I really dont want to erase everything unless I have to.

When u do the flashing everything in your device will be lost. So if u do the flashing then u just need to backup all your data.
---------- Post added at 01:05 PM ---------- Previous post was at 01:02 PM ----------
First u have to download your stock rom

Anyone else have any ideas? I really have no clue how to flash the stock rom. Is there a guide I can follow? Thanks

Just google your device name flashing

morjam401 said:
How do I flash the stock rom? Should I do that before trying a factory wipe/reset? I haven't tried that because I really dont want to erase everything unless I have to.
Click to expand...
Click to collapse
I would suggest you start download stock as already mentioned by previous mentor
Than try to make a factory reset from recovery while stock is downloading. In case factory reset all your apps and settings will be gone but your data stay untouched.
If positive with factory reset no need to flash stock anymore

I just tried doing factory reset/date wipe and it's still getting stuck at the boot screen. I guess I need help now to flash the stock rom. Again I have never done this so I appreciate it if someone has or could find a simple guide for me. I just don't want to download the wrong file and mess phone up even more. It's an at&t model SM-N910A. Thanks again

How long did you wait after wiping? For lollipop its normal after wiping to see nothing but Samsung boot up logo up to 20 minutes

In response to above. It did the date wipe/reset which did it in like 5 seconds. I rebooted and left it on the boot screen for about 3 minutes. I should wait longer then? Another thing I was going through kies to see if anything could help. I ended starting a firmware upgrade. I entered my model # and S/N#. It then asked me to go to recovery and made it to a screen with an android, "downloading do not turn off target". That's loading now and i'll see what happens. I also checked on google and it looks like there is a program called odin that will flash the stock rom. I need to find that program and also find the stock rom file to download?

Yep. Google for Odin, download and extract it on your PC. You'll need to download a stock firmware from Sammobile for your device. It will be as Archiv so extract it. In Odin click on AP and choose extracted file.

Another update. The firmware upgrade through kies went through fine. It booted up like normal afterwards. I didn't know it would happen but I am back to kit kat 4.4.4 as well. I wasn't too thrilled with lollipop so maybe that isn't a bad thing.

sm t337a suddenly started freezing ALOT, touchwiz

I have an At&t (though no at&t mobile service currently) Samsung tab 4 8inch. In the last few days it has started freezing SEVERAL times a day. it doesnot matter what app, its likely to freeze on any of them. I would say it probably happens most when Im backing out/exiting an app. When it freezes I can stilll shut screen off but when I turn it back on I am just where it froze -not lock screen, it wont acknowledge plugging charger in, and cant click restart. Touchwiz has stopped message may or may not come up, but I cannot click on it even if it does. The ONLY way I can shut it down then is down vol +power for about 15seconds. Then it restarts and may do it 5 minutes later or 5hours later.
It just started this suddenly. I also had not just installed anything.
If a custom ROM or something would fix it, I wouldnt mind doing that if someone could possibly give me the link(s) to 1 that works for this model and links to how to do so/what I need.
I dont know if it is related or not, but about 3 or 4 days before this started, by battery life & battery charging went suddenly TOTALLY to hell.
Please help me fix this irritating &aggravating problem. Thank you very much for your time &assistance!

There are no custom ROMs for the SM-T337A unfortunately. Is your tablet on KitKat or Lollipop and are you rooted?
You should back up your internal storage and then factory reset and wipe cache in stock recovery. If you are rooted, you should remove system apps that you don't need with titanium backup or something similar. If you are on KitKat you might want to consider either updating to lollipop or factory resetting and reflashing the stock KitKat firmware with Odin.

No im not rooted. However i would like to, but didnt know there was a method of rooting the t337a.
I cant seem to fins out how to find whether its lollipop or kitkat or what?

gdownloads said:
I cant seem to fins out how to find whether its lollipop or kitkat or what?
Click to expand...
Click to collapse
Settings > About device > Android version. If it says 4.4.2 it's kitkat, if it says 5.1.1 it's lollipop

Thanks for the help.
Yes its kitkat then because it says 4.4.2 . I think 1st I'll go ahead and search how to update it to Lollipop then go from there... Does that sound like a wise decision to you??

STOOPID Question: I went to the posts at bottom of your posts (granted, I didnt go thru all 59 pages, lol) but I have a brain-fart question... would I try to root and then update to lollipop or vice-versa??

I have found temp root for lollipop. Just look in the general section. As you wouldn't be able to ota lollipop while rooted anyways.

Stuck in bootloop after un-installing Flipboard

I'm usually fairly good at troubleshooting my own stuff but this really has me stuck in the same place for a few hours now.
So basically Flipboard has been nagging me(well play store is, not the app itself but anyway) so I said to myself why don't I uninstall it since I've never used it and don't plan to, and besides I hate to have pointless apps installed. So I open TitaniumBackup and I see it is installed as a system app, I thought what's the worst that can happen? so I do uninstall it and a minute later my phone shuts off. I try to turn it on and it doesn't go past the Samsung Galaxy Note 4 flash screen, it either reboots or stays like that.
I try to go into recovery to restore a backup and I can't, it is stuck at Recovery Booting and again it either stays like that or reboots and does it again and again and again.
Now, I haven't made any changes or installs on my phone for weeks now, so this is either because I unistalled Flipboard(I know I shouldn't have risked it since it was a system app but I really could not see it going this way) or the hardware is on it's way out(don't see what else could it be).
I figured I should flash a stock rom with odin, I can get into download mode, and reinstall everything from scratch.
I took a stock image from xda and flashed it and it does exactly the same thing.
Right now I'm downloading another stock image from sammobile for my country/provider to see if this will change anything.
What else can I try? I'm completely stuck and I really don't want to send the phone back like this, I doubt amazon is gonna be happy about it.
Specs:
N910F
Emotion Revolution 12.1 Rom
POK1 BL&CP
TWRP 2.8.7.0

Really sorry for the double-post. I'm quite desperate and need my phone for work.
Since last post I've tried flashing N910FXXU1COH4_N910FH3G1COH3_H3G.zip through Odin from SamMobile and it did the same thing with rebooting constantly.
Then I've installed Kies and went to Tools -> Firmware Upgrade and Initialisation and gave it the model and S/N and it downloaded something and everything went all right, the phone reboots and I'm back in the same circle, it just shows me the splash screen(in some video's I've seen that after this procedure they get the splash screen and then the android bot with a progress bar, I don't get that, I only get the splash screen and reboot) and reboots.
I thought this was a last resort thing? Is the phone completely dead or is there something I can try?
Again sorry for the double-post.
Update: still no progress so I've contacted Amazon and they said to send it back so hopefully this works out in the end, no matter how annoying the waiting time will be, if you do have any suggestions on what I should try please let me know as I haven't posted the phone yet.

note marshmallow update Massive issue's any help ?

updated my note 4 to marshmallow friday morning all was fine until satuday its started to lock up apps wont open pictures wont load up internet is slow if it even loads up unresposive i need sum expert advise from ppl that know alot more then me
ive reset to factory settings to try and fix it if anything its worse i then used samsung kris to reinstall the update which hasnt changed a thing i have also removed the sd card as i read that it may cause problems the phone is currently unsable it just hardly responses to any command any one have any other ideas i can try please
kind regards
lee

coatsy101 said:
updated my note 4 to marshmallow friday morning all was fine until satuday its started to lock up apps wont open pictures wont load up internet is slow if it even loads up unresposive i need sum expert advise from ppl that know alot more then me
ive reset to factory settings to try and fix it if anything its worse i then used samsung kris to reinstall the update which hasnt changed a thing i have also removed the sd card as i read that it may cause problems the phone is currently unsable it just hardly responses to any command any one have any other ideas i can try please
kind regards
lee
Click to expand...
Click to collapse
This should be normal because MarshMallow was just released so its buggy for everyone ?

exact same problems that i'm having. the phone has become unusable. i have flashed 5.01 and its working again, but now...google didn't even load my old apps. so i have a totally fresh phone,,,which is a p-is take. at least its working. i'll try 5.1.1 when i download it.

i sat and messed about for a few hours and it working mostly ive managed to get the apps updated and seems alot more stable still get the odd lag and slow load on apps but it's not usable i think my main probelm was the apps once they updated "which they where stuck on" its seems to have sorted a few of the issue's

To coatsy101 :
Try to do factory reset. Then post your response here.

sudhakar35 said:
To coatsy101 :
Try to do factory reset. Then post your response here.
Click to expand...
Click to collapse
i have tried to reset the phone 3 times aswell as a fresh install of the firmware 3 times same responce each time my phone seems to be going through stages of working fine not working fine and being unresponsive seems to be the fingerprint scanner crashing alot and also just freezing just typing on the handset

To coatsy101 :
Give it to Samsung authorized service centre. If your phone is under warranty, they will not charge you. No problem if they charge you if your phone is out of warranty. Do not flash any firmware by yourself. It will brick your phone by deleting its IMEI. Beware of this !!!. So give it to the Samsung authorized service centre in your country. Search in google and find out.

phone is totally mashed. it still freezes and lags , then reboots. works ok for a bit then,,,same thing.
i've never had this happen before. always got fixed by flashing firmware. but this is new to me...tried so many different firmware now...i just cant understand it.
might root and try a custom rom next see if that helps. (

well the closet samsung place is about 3+ hour drive so i wont be doing that. kris 3 is all ive been using to reinstall the marshmellow update and the 3 factory resets ive done ive gave up with it basicaly at work and sit for 5 to 10 minutes waiting for it to unlock somethimes ive disabled thh fingerprint scanner which has helped slightly but still u unuseble my head is battard with it

i've done numerous factory resets and tried different firmwares. it is the same, works for a few minutes then suddenly will freeze and come back after 30 seconds or so...or do a reboot. i've re-partioned nand wipe factory wipe cache wipe .
don't know what else to do. will root and run a custom rom as a last resort before smashing it and throwing it in the bin

coatsy101 said:
updated my note 4 to marshmallow friday morning all was fine until satuday its started to lock up apps wont open pictures wont load up internet is slow if it even loads up unresposive i need sum expert advise from ppl that know alot more then me
ive reset to factory settings to try and fix it if anything its worse i then used samsung kris to reinstall the update which hasnt changed a thing i have also removed the sd card as i read that it may cause problems the phone is currently unsable it just hardly responses to any command any one have any other ideas i can try please
kind regards
lee
Click to expand...
Click to collapse
I would recommend a factory reset and then a fresh install of the latest Marshmallow DBT (Build Date: May 3)
Download: https://mega.nz/#!TlgymZiB!PME8kswFjid6JVxegIYgZVuqMDMB5QsnBx5stNXzulM

Mr. Gold said:
I would recommend a factory reset and then a fresh install of the latest Marshmallow DBT (Build Date: May 3)
Download: https://mega.nz/#!TlgymZiB!PME8kswFjid6JVxegIYgZVuqMDMB5QsnBx5stNXzulM
Click to expand...
Click to collapse
how do i install this version ?
can you do it using kies ?

coatsy101 said:
how do i install this version ?
can you do it using kies ?
Click to expand...
Click to collapse
You have to use Odin 3.10 or 3.11
Turn On Developer Mode on your phone by going to Settings > About Device > Build Number > Tapping Build Number 7 times
Then go back to Settings, you'll see Developer Options now, click it and then check USB debugging
Switch off phone, then hold Volume Down, Home and Power at the same time, it'll ask if you wanna download OS, then press Volume Up
Unzip Marshmallow file, Run Odin on your PC, then connect phone, make sure it registers with Odin, it'll say "Added" means registered
Select the Unzipped Marshmallow file by checking AP and then pressing AP, don't touch anything else, wait for the selected file to be checked, the START at the bottom will be grayed out, but within seconds it will come back again, now press START
This will flash your phone with the selected Marshmallow file, wait until, ODIN says PASS with Green, now you can disconnect, phone will restart automatically.
DON'T PRESS ANY BUTTONS apart from AP and START when flashing

Mr. Gold said:
You have to use Odin 3.10 or 3.11
Turn On Developer Mode on your phone by going to Settings > About Device > Build Number > Tapping Build Number 7 times
Then go back to Settings, you'll see Developer Options now, click it and then check USB debugging
Switch off phone, then hold Volume Down, Home and Power at the same time, it'll ask if you wanna download OS, then press Volume Up
Unzip Marshmallow file, Run Odin on your PC, then connect phone, make sure it registers with Odin, it'll say "Added" means registered
Select the Unzipped Marshmallow file by checking AP and then pressing AP, don't touch anything else, wait for the selected file to be checked, the START at the bottom will be grayed out, but within seconds it will come back again, now press START
This will flash your phone with the selected Marshmallow file, wait until, ODIN says PASS with Green, now you can disconnect, phone will restart automatically.
DON'T PRESS ANY BUTTONS apart from AP and START when flashing
Click to expand...
Click to collapse
i had googled it and installled just before your reply it seems to be stable and i can use my phone again your sir are star il keep you posted if it stays stable
regards lee

coatsy101 said:
i had googled it and installled just before your reply it seems to be stable and i can use my phone again your sir are star il keep you posted if it stays stable
regards lee
Click to expand...
Click to collapse
Cheers

Well, my phone has been running since last night without the issues from pervious. ?.
I downgraded to 4.4.4...it was still causing issues. ...then upgraded to 5.1.1 COJ3 via ota....and it seems like it's ok again. There is other updates available ota, but I'm sticking with this as looks like i have my phone back. ....working
Sent from my SM-N910F using Tapatalk

well mine stayed stable until about 11am its not running slugish again and crashing not as much but still crashing annoy me alot....

My screen died this morning...wonder if all the other s.hit was leading up to the screen dying. Phone still booting and led and soft lights come on. But nothing on the screen. Very painful without a phone...
Sent from my GT-I9000 using Tapatalk

Maybe fresh reset and dont download any apps. if that works than its one of your apps.
Sent from my SM-N910C using XDA-Developers mobile app

magichoward said:
Maybe fresh reset and dont download any apps. if that works than its one of your apps.
Sent from my SM-N910C using XDA-Developers mobile app
Click to expand...
Click to collapse
is therer a app to see what apps could be causing it cos i just done a factory reset again this morning and it was running fine and then playstore updated the standard apps and it seems to have gone slow again..... FOAMING....

Rooted for a few weeks -- rebooted and stuck on T-Mobile Screen + Random Vibration

Hello all! This is the second time this has happened to me, I've rooted my phone for about a week, and then for some reason when I decide to restart my phone -- it no longer boots up. It is stuck at the t-mobile screen and vibrates for a bit then stops, I have booted in to recovery mode and tried wiping that cache, but to no avail.
Any help would be appreciated -- or even how I can backup my data would be great too.

Wah gwan! My T-Mobile S7 Edge running TekHD v2. To have your phone running very nicely, you need to download the APD8 fireware. Make sure everything on your phone running APD8. download the files from max on highonandroid, flash the tar file twice using modified Odin from max. Once boot up screen say custom, next step download and extract TekHD.rar file .there's a part in the file that operates like cmd, right click and let it do its thing. Make sure your phone is on and a low USB debugging.
---------- Post added at 10:09 PM ---------- Previous post was at 09:43 PM ----------
Also this TekHD Rom is best for unlimited hotspot for Windows, Android and Mac. I have download about 20 more GB of files to make sure its good. The tutorial from max is good, the easiest way I see so far is to click on the root.dat in max files to add superSU. For TekHD click tekhd.bat. That was the easiest way after flashing the tar file. The hold process take 2 minutes once done right. I'm not a developer but a big Samsung Android fan. I have a Note 3,4,5 S6 Edge+ and S7Edge, I tried and tested many Roms at my own risk. Never had any problems. Make sure you always have the stock rom tar file for your device before any flashing any roms, is case something goes wrong you can start over.

first of all this is an eng boot root, so expect some hiccups and proble.. before u root make sure u back up everything then odin back to stock then root or else u will run into problems

You're going to have to ODIN back to stock. This seems to be happening to a lot of people (myself included) and a stock flash is the only way anyone has been able to recover. Flash all 4 files in ODIN simultaneously, but if you don't have a backup, try flashing the Home_CSC and see if it'll boot. I've heard reports that the Home-CSC file doesn't wipe your phone. If that doesn't work, then unfortunately you're going to have to re-flash, but this time use the standard CSC file, which will wipe your phone. Good luck.

I just had this happen for my second time and was stuck phoneless out of the house :/ I wish we could figure out the cause... Not sure if related, but my recovery has red text on the bottom "dm-verity verification failed"

ph00ky said:
Not sure if related, but my recovery has red text on the bottom "dm-verity verification failed"
Click to expand...
Click to collapse
No, that is not related, dm-verity verification fails because recovery still checks dm-verity even though the kernel does not.

Damn same thing just happened to me at work. Had to do factory reset...
When at that tmobile screen, hold down volume down + home button + power. It will reboot,and as soon as it does, switch volume down to vol up until it loads recovery to reset

This happened to me also. Go to lockscreen and security options and disable automatic security updates.

I think it could be new firmware update from Google. I tried to install TekHD Rom after update to the newest APG1. And it hapened to me also. Stuck on Samsung screen with random weird vibrations.

I can almost certainly say that the vibrate crash has something to do with the phone installing something behind the scenes. After getting the Amazon/Google/Samsung services multiple crash followed by the reset to the vibrating T-mobile screen I did a non-wipe ODIN, which works and works perfectly. What seems to not work though is re-installing root, it just leads back to the same screen, so I think Samsung is pushing something sneaky onto our phones probably through the security thing as mentioned.
---------- Post added at 01:41 PM ---------- Previous post was at 01:40 PM ----------
pawel30w said:
I think it could be new firmware update from Google. I tried to install TekHD Rom after update to the newest APG1. And it hapened to me also. Stuck on Samsung screen with random weird vibrations.
Click to expand...
Click to collapse
TekHD Only works on PD8, it's mentioned in the thread.

pawel30w said:
I think it could be new firmware update from Google. I tried to install TekHD Rom after update to the newest APG1. And it hapened to me also. Stuck on Samsung screen with random weird vibrations.
Click to expand...
Click to collapse
Can't run that ROM on APG1. If you want to try it, you will have to ODIN PD8. There is a post in a thread in this section that shows how.

I just had this same thing happen on PG1. Using ODIN with all of the various parts and Home_CSC got me back in without having to wipe and everything survived. Going to try and re-root with the engineering boot image now that I made a decent backup. Would be great if someone smarter than me figures out what is updating/changing and causing this problem.

I said it on page 1: In settings, go to lockscreen, then security options and disable automatic security updates.

rp3 said:
I said it on page 1: In settings, go to lockscreen, then security options and disable automatic security updates.
Click to expand...
Click to collapse
That might work to prevent this problem -- but what needs to be reverted once this problem starts? I can flash stock PG1 and if I use the (home_csc) it will fix the problem and not wipe my data.... but if I reflash the engineering bootloader it goes back to hanging at the tmobile screen.

im stuck on tmobile screen, and it keeps vibrating, idk what to do

swaggyyd said:
im stuck on tmobile screen, and it keeps vibrating, idk what to do
Click to expand...
Click to collapse
I haven't rooted but if your stuck just Odin back to stock.

I came to post that I'm having these issues as well, this is the second time it's happened to me.
The first time I had TEKHD on my Phone, and so with it constantly nagging to do a system update.
I figured when it did this the first time, it was because the update ran over my TEKHD side load "ROM" and corrupted. Ok , whatever, reloaded.
But now I'm just rooted, and stock ROM otherwise. Just happened to me again
Each time it's happened, I start getting "playstore has crashed" errors - dismiss and it comes right back. So I reboot, and then it boot loops and gets CRAZY hot. Man I've never been able to fry an egg on a phone quite like my S7 Edge...
Is there any light shed on what could be doing this? I may have to remain stock which makes me want to :crying: but I can't keep bothering my Work Admin's to unlock my Token account so I can re-register my same phone -
I shall try that home_CSC Flash when I get home though, hopefully I can recover it at least in a way to transfer token to my tablet or something.

posted that at work, I'm at home now. I tried to flash just the home CSC and that did not work, just booted into recovery with an error and wouldn't resurrect at all.
I shall try that disable auto updates thing though and see if it helps in the long run...

wotan2525 said:
I just had this same thing happen on PG1. Using ODIN with all of the various parts and Home_CSC got me back in without having to wipe and everything survived. Going to try and re-root with the engineering boot image now that I made a decent backup. Would be great if someone smarter than me figures out what is updating/changing and causing this problem.
Click to expand...
Click to collapse
you got a link for the home csc file you can send me I was good for about a month and a half and it finally happened to me as well and can confirm I was getting the play store/ google services errors right before the reboot and tmobile screen

Was having this issue as well, forgot that I needed to turn off Security policy updates.