G900A Stuck on samsung logo then black screen D: - Galaxy S 5 Q&A, Help & Troubleshooting

Hello everyone, I have a SM-G900A (Samsung Galaxy S5 ATT Model) Ok so it had 4.4.4 version of android on it. I wanted to put 4.4.2 on it so I could use towel root to root it. So I opened up Odin got the stock firmware from sammobile and tried flashing it, gave me a revision check error, so after doing some research downloaded the stock from here and put it in odin. Ok so from then I added the ap, csc, and cp. Odin looks like its installing right. So now when the phone starts it looks like its doing an update. So after that finishes it starts the samsung logo but freezes and goes to a black screen with the blue notification led pulsing, any ideas? I've tried looking stuff up and still no avail D:

coreyjhowe said:
Hello everyone, I have a SM-G900A (Samsung Galaxy S5 ATT Model) Ok so it had 4.4.4 version of android on it. I wanted to put 4.4.2 on it so I could use towel root to root it. So I opened up Odin got the stock firmware from sammobile and tried flashing it, gave me a revision check error, so after doing some research downloaded the stock from here and put it in odin. Ok so from then I added the ap, csc, and cp. Odin looks like its installing right. So now when the phone starts it looks like its doing an update. So after that finishes it starts the samsung logo but freezes and goes to a black screen with the blue notification led pulsing, any ideas? I've tried looking stuff up and still no avail D:
Click to expand...
Click to collapse
I have the exact same issue from trying to downgrade the firmware to 4.4.2 and my screen is blank with the blue LED light on. I've flashed at least a dozen times and reset factory settings and wiped cache partition with no improvement. If anybody can provide a solution, it would be much appreciated!

waqas1988 said:
I have the exact same issue from trying to downgrade the firmware to 4.4.2 and my screen is blank with the blue LED light on. I've flashed at least a dozen times and reset factory settings and wiped cache partition with no improvement. If anybody can provide a solution, it would be much appreciated!
Click to expand...
Click to collapse
I had the same issue. I reflashed the 4.4.4 OA1 kernel and was able to boot the phone back up. Still can not update device. Currently stuck on:
System Status: Official
Current Binary: Official
Knox Warranty Void: 0X0
Android version 4.4.2,
Baseband version G900AUCU1ANCE,
Build number KOT49H.G900AUCU1ANCE,
Kernel version 3.4.0-3116194,
SE for Android status Enforcing SEPF_SAMSUNG-SM-G900A_4.4.4_0033
At least I got the phone working again. FYI I had a similar issue in the past, went to best buy with an att note 3 and told them every time I try to ota update my phone it fails. And they re flashed my phone with no questions asked and I was able to ota update after that. I haven't got a chance to go to best buy yet but hopefully they can re flash my s5 like my other device and I can get the ota update.

alphamik3 said:
I had the same issue. I reflashed the 4.4.4 OA1 kernel and was able to boot the phone back up. Still can not update device. Currently stuck on:
System Status: Official
Current Binary: Official
Knox Warranty Void: 0X0
Android version 4.4.2,
Baseband version G900AUCU1ANCE,
Build number KOT49H.G900AUCU1ANCE,
Kernel version 3.4.0-3116194,
SE for Android status Enforcing SEPF_SAMSUNG-SM-G900A_4.4.4_0033
At least I got the phone working again. FYI I had a similar issue in the past, went to best buy with an att note 3 and told them every time I try to ota update my phone it fails. And they re flashed my phone with no questions asked and I was able to ota update after that. I haven't got a chance to go to best buy yet but hopefully they can re flash my s5 like my other device and I can get the ota update.
Click to expand...
Click to collapse
I think I had the same problem as you and used the 4.4.4 OA1 Kernal to get it working again. Next I flashed the G900A_Downgrade_to_NCE.tar.md5 and am working and se the last line as 4.4.2 where you have 4.4.4 . I'm guessing you have a mix of 4.4.2 and 4.4.4.

alphamik3 said:
I had the same issue. I reflashed the 4.4.4 OA1 kernel and was able to boot the phone back up. Still can not update device. Currently stuck on:
System Status: Official
Current Binary: Official
Knox Warranty Void: 0X0
Android version 4.4.2,
Baseband version G900AUCU1ANCE,
Build number KOT49H.G900AUCU1ANCE,
Kernel version 3.4.0-3116194,
SE for Android status Enforcing SEPF_SAMSUNG-SM-G900A_4.4.4_0033
At least I got the phone working again. FYI I had a similar issue in the past, went to best buy with an att note 3 and told them every time I try to ota update my phone it fails. And they re flashed my phone with no questions asked and I was able to ota update after that. I haven't got a chance to go to best buy yet but hopefully they can re flash my s5 like my other device and I can get the ota update.
Click to expand...
Click to collapse
I'm having this same black screen/blue led problem too after I tried to flash back to the stock NCE 4.4.2 from a rooted 5.0 on a g900a. Where did you get the file for the 4.4.4 OA1 kernel? or should I try flashing back to 5.0? I have no idea where to go next at this point. I'm afraid I need to bring my phone to a specialist...

t_maier23 said:
I'm having this same black screen/blue led problem too after I tried to flash back to the stock NCE 4.4.2 from a rooted 5.0 on a g900a. Where did you get the file for the 4.4.4 OA1 kernel? or should I try flashing back to 5.0? I have no idea where to go next at this point. I'm afraid I need to bring my phone to a specialist...
Click to expand...
Click to collapse
Check the at&t s5 section for files and probably better help since its for your model.
Sent from my twi5ted SM-G900A using Tapatalk

alphamik3 said:
I had the same issue. I reflashed the 4.4.4 OA1 kernel and was able to boot the phone back up. Still can not update device. Currently stuck on:
System Status: Official
Current Binary: Official
Knox Warranty Void: 0X0
Android version 4.4.2,
Baseband version G900AUCU1ANCE,
Build number KOT49H.G900AUCU1ANCE,
Kernel version 3.4.0-3116194,
SE for Android status Enforcing SEPF_SAMSUNG-SM-G900A_4.4.4_0033
At least I got the phone working again. FYI I had a similar issue in the past, went to best buy with an att note 3 and told them every time I try to ota update my phone it fails. And they re flashed my phone with no questions asked and I was able to ota update after that. I haven't got a chance to go to best buy yet but hopefully they can re flash my s5 like my other device and I can get the ota update.
Click to expand...
Click to collapse
Thank you very much!
I literally tried everything for 2 days and nothing worked.

i have the same exact issue, any help please???

Just joined the club today and spent already 6h+ trying to get the phone booting up again - is there really no solution to this?

Related

installed XXUEMJ5 but now device status custom

Hi all
today I installed the jellybean 4.3 XXUEMJ5 update but since installing it it has made my device status go fro official to custom
before the update I was not rooted or anything
can anybody help me get it back to official please
There's a way to get your status back to official if you are using a i9505 I think.
Otherwise (i900 or i9505g) I don't think it's possible.
ye I need to get my device back to official
How can it go from CUSTOM? this is an offical STOCK FIRMWARE from samsung.... ? doesn't make sense...
something isn't right.... when i always update my firmware to a newer one for 4.22 it always says offical.
Yes I know it doesnt make sense thats why im asking for help
Have you tried Factory reset or reinstalling the firmware?
Depends how you upgraded. Did you download a Rom and flash via Odin? If yes, are you absolutely sure it was the official and not a modified one?
Sent from my GT-I9505 using Tapatalk
Probably needs a factory reset. Don't disable any apps and are you using 64gb card?
Sent from my GT-I9505 using xda app-developers app
You need to reinstall the firmware with Odin properly.
I noticed on another thread that you clicked on bootloader button. WRONG. Extract the official Samsung 4.3 firmware file, click on PDA to select the extracted firmware, press start button.
I think you were confused because the leaked firmware had 4 files while official Samsung firmware has I file.
Hi all
Yes I re-flashed the rim using the PDA button and then did a factory reset and every is normal now
Only iv noticed one thing.
The camera as not updated and I thought that jelly bean r.3 included a new camera update.
Something similar happened to me!
Hi!
I've been checking for the 4.3 update on my phone since the announcement that 4.3 update has started. And suddenly yesterday morning I got the message that updates are not available, because my device is custom. Happened overnight, I've only done OTA updates, nothing else and I've had this update for a few weeks at least (maybe even a month), the baseband for the moment is XXUDMH6.
Do you think that it is possible for me to get it back to official in a similar way - flash the same or a newer version, a factory reset and voila?
Are you using a 64GB SD card? Sometimes my phone shows the status as custom, even though it's (currently) totally stock, just because of the SD card.
Take the card out and it goes back to official - strange.
Hey,
I had the same problem on 4.2.2. I had rooted my stock ROM and then updated OTA to MGG and my device status was custom and knox triggered 0x1...I don't really care about device status, but triggering knox really made me mad because I installed fresh rom OTA not some custom ROM ot kernel.. How is this possible? I don't know
Go figure...
Now I flashed with ODIN lastest MJ5 i think and device status is official but what matters knox is 0x1..
I suggest you try factory reset or flash it with ODIN to get back official status so you will be able to update via OTA. There is nothing you can do about knox status for now.
ye well you cannot change the KNOX thing back to OxO
Samsung have already come out and said it is impossible and so have many android developers etc
I wouldn't worry about it anyway its only a KNOX status, I doubt Samsung would refuse to repair your mobile if it needed to be repaired just because of a KNOX status, as long as all the other statuses are OFFICAL etc then it wont matter too much I don't think

[Q] Towelroot is giving me problems. How do I get this off?

a few days ago I rooted my s5 with this towelroot tool grom geospot. The reason I used this one is because the article said knox will not be tripped. However, it is giving me problems such as going dead all the time. I have to take the phone out of the case and then to take the battery out and put it back in to reset the phone. It seems that have to do this a lot. I did a factory reset after the root so this should not be the problem. I want this off my phone. I want to go back to stock KitKat 4.4.2. Will somebody show me where my stock files are or help me fix this problem? I appreciate any help that I can get with this!
I have model# SM-G900V
Carrier: Verizon
Software Version: Kitkat 4.4.2
matth84 said:
a few days ago I rooted my s5 with this towelroot tool grom geospot. The reason I used this one is because the article said knox will not be tripped. However, it is giving me problems such as going dead all the time. I have to take the phone out of the case and then to take the battery out and put it back in to reset the phone. It seems that have to do this a lot. I did a factory reset after the root so this should not be the problem. I want this off my phone. I want to go back to stock KitKat 4.4.2. Will somebody show me where my stock files are or help me fix this problem? I appreciate any help that I can get with this!
I have model# SM-G900V
Carrier: Verizon
Software Version: Kitkat 4.4.2
Click to expand...
Click to collapse
Download firmware from Sammobile and flash with KIES or Odin.
Also next time it will be more helpful if you post the last 4 characters of your build number in settings > About device for example ANG2 or ANE2 etc
Hellscythe said:
Download firmware from Sammobile and flash with KIES or Odin.
Also next time it will be more helpful if you post the last 4 characters of your build number in settings > About device for example ANG2 or ANE2 etc
Click to expand...
Click to collapse
Sorry it's ANCG

Samsung S5 - Lollipop - can i downgrade back to KitKat

Hi Guys,
I stupidly got excited and installed the official Lollipop (S5 on THREE UK network) update when i was notified.
BUT...
I want to go back to KitKat as i preferred it (i wont go into reasons why)
Is there a downgrade path for me, either officially or unofficially?> I dont think there is at the moment.
Thanks guys!
Yep, this forum is literally packed with instructions on how to do it, a simple search will bring up what you need
hi thanks, i thought with the new protected bootloader i didnt think it possible.
this is what i read:
Note: The G900FXXU1BNL9 Android 5.0 Lollipop update comes with a protected bootloader it is clearly emphasize that the “SE for Android Status – Enforcing” that might cause issues when you try to downgrade to the old software updates. This also applies if you are planning into rooting and installs any custom recovery and any unsigned firmware once you are on Android 5.0 Lollipop , so please be aware with that.
manikm303 said:
hi thanks, i thought with the new protected bootloader i didnt think it possible.
this is what i read:
Note: The G900FXXU1BNL9 Android 5.0 Lollipop update comes with a protected bootloader it is clearly emphasize that the “SE for Android Status – Enforcing” that might cause issues when you try to downgrade to the old software updates. This also applies if you are planning into rooting and installs any custom recovery and any unsigned firmware once you are on Android 5.0 Lollipop , so please be aware with that.
Click to expand...
Click to collapse
Yesterday I tried out AllianceROM 6.0 and a few hours ago I went back to 4.4.2 'cause I liked it better than Lollipop. Here's what I did :
1. Enter Download Mode and flash STOCK 4.4.2 KitKat firmware in Odin (I used 3.10.6) and let it start booting.
2. It won't boot, this is normal (I panicked when this happened though ).
3. Go to recovery and factory reset/wipe data your phone.
4. Now hit reboot in recovery and your phone will boot up again (YAY :sun.
5. OPTIONAL : If you've made a nandroid backup before going to 5.0 you can now flash TWRP and restore it over your STOCK 4.4.2 KitKat firmware.
Hope I helped Let me know if it works out for you!
SUCCESS!!!
All sorted.
The hardest part was finding a link to the rom. sammobile kept giving me a gateway 502 error.
im now back to kitkat, AND no THREE UK rubbish.
manikm303 said:
SUCCESS!!!
All sorted.
The hardest part was finding a link to the rom. sammobile kept giving me a gateway 502 error.
im now back to kitkat, AND no THREE UK rubbish.
Click to expand...
Click to collapse
Lol.....so which firmware did you flash? I'm with 3 as well......though for me, all the 3 c**p was frozen with TiBu as soon as I rooted (along with 100+ other 'system' apps too)......I don't want/need all that knox/Samsung/Google rubbish either.......lol
Sent from my rooted kn0x0 SM-G900F S5
I used a stock Samsung 4.4.2 btu mate...took me forever to find a good link though
Still got the Samsung rubbish on it though but I prefer an official rom to a 3rd party one.
Guide me Please
manikm303 said:
I used a stock Samsung 4.4.2 btu mate...took me forever to find a good link though
Still got the Samsung rubbish on it though but I prefer an official rom to a 3rd party one.
Click to expand...
Click to collapse
Okey so i want to downgrade mine s5 from Lolipop to Kitkat 4.4.2. But i wonder if i breaks my varanty and can you make like an min guide and add the links you used also please
Would be really helpful since i'm not sure on where to download the things required. And can i get the Stock samsung 4.4.2, whitout messing up anything, incase i turn my phone in for repairs some time and what not. (cause they can complain that you have touched up stuff in the programs ect )
i appriciate any help peace
answer
hey guys i just followed this tutorial to downgrade it was so easy took several minutes now im running kitkat again yaaay
https://www.youtube.com/watch?v=glNRCuH4Yyw

How can I return to stock firmware from CM 12.1 (Android 5.1)

Hi,
My Device is:
SM-N9005 LTE (32GB)
It was running 4.4. Kitkat and I tried to flash Android 5.0 via Odin. Everything went fine except wifi which did not turn on at all. While searching I found out that many users faced this and there isn't a best fix available yet. Probably I flashed a wrong firmware which may have caused some csc mismatch or kernel issue. I definitely needed the wifi back so i went on to try and experiment more on the device which brought me to CM 12.1 and I flashed it via TWRP. It brought back my wifi but now i miss some of my staple apps on this device especially S Pen Stylus & S health. I tried the simple method - downloading a firmware from sammobile and flashing it through Odin but it failed in Odin. Is there any way I can go back to to Stock firmware? My knox is at 0x1 but it doesn't matter much.
Thanks a lot in advance.
Redmax! said:
Hi,
My Device is:
SM-N9005 LTE (32GB)
It was running 4.4. Kitkat and I tried to flash Android 5.0 via Odin. Everything went fine except wifi which did not turn on at all. While searching I found out that many users faced this and there isn't a best fix available yet. Probably I flashed a wrong firmware which may have caused some csc mismatch or kernel issue. I definitely needed the wifi back so i went on to try and experiment more on the device which brought me to CM 12.1 and I flashed it via TWRP. It brought back my wifi but now i miss some of my staple apps on this device especially S Pen Stylus & S health. I tried the simple method - downloading a firmware from sammobile and flashing it through Odin but it failed in Odin. Is there any way I can go back to to Stock firmware? My knox is at 0x1 but it doesn't matter much.
Thanks a lot in advance.
Click to expand...
Click to collapse
yes, download smartswitch from samsung and use the emergency feature ...you need your model # and SN # for it
djlilyazi said:
yes, download smartswitch from samsung and use the emergency feature ...you need your model # and SN # for it
Click to expand...
Click to collapse
Hi,
I already tried that but it gives this error.
Maybe you have updated your bootloader that's why you can't downgrade. Try lollipop roms. Or try a tw based custom rom with twrp.
What is the baseband and bootloader on your phone?
Match the last 4 characters to firmware here: http://www.sammobile.com/firmwares/database/SM-N9005/
I'm sorry for hijacking this post, but something fairly similar happened to me.
I've got an SM-N900, decided to update to Lollipop but despite all my efforts I've been getting awful battery life so I'd like to go back to KK.
Right now I'm using
Bootloader & PDA: N900UBUEBOF1
CSC: N900PGUEBOF2
Baseband: N900UBUEBOC3
and would like to go back to
PDA: N900UBUDND1
CSC: N900UWADND3
I've been reading and found that you need to flash this if your bootloader is on Lollipop, this is where my doubts begin. How do I know if my bootloader has been updated to Lollipop? If my BL is on Lollipop and I flash that file, can I install any KK rom?
Thank you for reading this, and I apologize for hijacking this thread.

[URGENT!] Possibly bricked phone when downgrading [SM-N910C]

Hi All,
I had Android 4.4.4 (KK) running on my Note 4 (SM-N910C version). A week ago, I decided to upgrade to 5.1.1 (Lollipop) but after using it these days, I decided to go back...
In the past, I have installed 5.0.1 LL on this phone and went back to KK without any problems whatsoever, but this time, when trying to flash KK back on Odin, it ends at "FAIL"...
At the same time, my phone displays "SW. REV. CHECK FAIL. DEVICE: 2, BINARY 1" on download mode and I'm afraid it is now bricked because when I try to boot the phone to system, it gets stuck on the main screen (samsung logo and model) and it never boots up...
This is what I did to my phone so far when installing 5.1.1:
1) Flashed 5.1.1 stock firmware from Sammobile.
2) Rooted using talexop Kernel.
My phone has the latest version of TWRP recovery installed and I currently have access to both this and download mode. I need urgent help :crying:, leaving on Holiday in a week and I need my phone functional! I tried googling and searching over the forum, and I saw some stuff but it was not really helpful for my case.
Any advice will be greatly appreciated!
Thanks a bunch in advance,
museruy
your device is ok
just download stock lollipop 5.1.1 from sammobile and reflash it with odin
osamaAlrogi said:
your device is ok
just download stock lollipop 5.1.1 from sammobile and reflash it with odin
Click to expand...
Click to collapse
This is what I'm trying as of right now... Fingers crossed.
Is there any workaround to downgrade to KK safely?
Regards,
museruy
museruy said:
This is what I'm trying as of right now... Fingers crossed.
Is there any workaround to downgrade to KK safely?
Regards,
museruy
Click to expand...
Click to collapse
nope coz bootloader coj5 locked by samsung :crying:

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