SM-G920F freezes and constant reboots out of the blue - Galaxy S6 Q&A, Help & Troubleshooting

Hi all, first post here, as a brief introduction... I have bought a Samsung Galaxy S6 a couple of weeks ago and recently it has been a constant pain in the.... mind :angel:
Currently I have G920FXXU2BOFJ Baseband and it constantly crashes, even without doing anything. The crashes/reboots are completely random and very annoying. I have tried to update the firmware to a latest version from France (which had some updates for Android 5.1.1, file name G920FXXU2BOG8_G920FOXA2BOG8_XEF) but the problem persists.
Trying to revert the firmware to the original I made a mess so I'm currently using Smart Switch as I write to recover the phone from the dead. Any ideas on how to solve these freezing issues? Anyone else having them? I thought it was a hardware problem, but I can leave the phone in Download Mode for as long as I want without issues (not very useful as a smartphone that way though ) However, even in the Wipe Data/Cache mode it still freezes.
Thanks!
TH1AG0

Reflash with new updated French 5.1.1 ROM via odin.
http://www.sammobile.com/firmwares/download/51274/G920FXXU2BOG8_G920FOXA2BOG8_XEF/

Related

[Completed] [Q] All apps reversing to home screen/home screen cycles constantly

Hi All. I have a S3 korean version SHV E210S initially running 4.0.4. After six months of use, WIFI kept dropping even when next to the router so I upgraded to 4.4.4
This was a bad idea and all apps were freezing and not working. So i tried to downgrade to 4.1.2 but it didnt work (magic string missing and unsupported version error on ODIN). I managed to flash 4.3 but now NO app works, even going to settings, the phone reverses to homescreen as if someone was pressing the back key. As soon as i touch an app, it flashes open and closes.
Left on its own, it cycles through all the screens constantly. Is this a hardware fault? How do I check?
It exhibits the same behaviour in safe mode. I havent updated any apps after flashing firmware
saberinsky said:
Hi All. I have a S3 korean version SHV E210S initially running 4.0.4. After six months of use, WIFI kept dropping even when next to the router so I upgraded to 4.4.4
This was a bad idea and all apps were freezing and not working. So i tried to downgrade to 4.1.2 but it didnt work (magic string missing and unsupported version error on ODIN). I managed to flash 4.3 but now NO app works, even going to settings, the phone reverses to homescreen as if someone was pressing the back key. As soon as i touch an app, it flashes open and closes.
Left on its own, it cycles through all the screens constantly. Is this a hardware fault? How do I check?
It exhibits the same behaviour in safe mode. I havent updated any apps after flashing firmware
Click to expand...
Click to collapse
Hello, and welcome to XDA Assist! Did you erase cache and userdata when you flashed your firmware? This is likely to be the reason. You need to do that and reinstall your apps afterwards.
Good luck!

Downgrading Note Pro 12.2 Verizon from 5.1.1 to 4.4.2?

HI,
I've updated the Verizon version of the Galaxy Note Pro 12.2 and I really don't like it. There's too many instability issues that I haven't seen before! I rely heavily on the S-Note and it keeps crashing on me after a few minutes when it is opened up. I can write for a bit but then it just stops working and brings me back to the home screen. The other problem is the SD Card. I never had an issue with it before, but I am now! Sometimes it goes missing when I go into a file manager looking for a document. And it occasionally freezes up!
Oh, and the best part? I like the fact that Samsung has added the "Galaxy Apps" in this Lollipop version like it is on my Galaxy Note 4 (SM-N910F), BUT IT'S ALL IN DUTCH LANGUAGE!!!
And this is suppose to be an American model with the preference language set US English?? Go figure...
I never had this problem before with KitKat 4.4.2, and I want it back!
Now I've tried using ODIN 3.10.7, 3.07, and 3.09, but I can't get it to connect. It keeps saying "added!! removed!!" when I try to use Home-Volume Down-Power" to reboot in Odin mode.
So does anyone have any suggestions on how I can downgrade?
Did you use the OTA 5.1.1 version that was pushed out by Verizon? I took it last week and this beast is way more stable, no crashes, the SD Card works properly (I have a 128GB card) and no language problems. Try resetting your tablet and getting the OTA (again).
tdetroit said:
Did you use the OTA 5.1.1 version that was pushed out by Verizon? I took it last week and this beast is way more stable, no crashes, the SD Card works properly (I have a 128GB card) and no language problems. Try resetting your tablet and getting the OTA (again).
Click to expand...
Click to collapse
No, I didn't get it by OTA. I did it through KIES. I'm an American ex-pat living in the UK for the past few years and I had this shipped to me from family back in Florida. It doesn't seem that the OTA would work at all and the only way I could get the update is through KIES.
As for resetting, that's what I was trying to do. When I do a "factory" reset, it puts 5.1.1. back on again plus the Verizon repair app is not giving me any joy since it's doing the same and placing lollipop 5.1.1, which is why I'm going through ODIN mode to place the original ROM back onto it that I've downloaded from SamMobile's website. However, as I mentioned, Odin on all versions are giving me "ADDED!! REMOVED!!".
What I really find so strange is that the Verizon Update/Repair app will re-flash with no problem; but when trying to use Odin, it won't connect. Can someone give me a clue on what's going on with that??
It would also mentioned I'm using Odin on Windows 7 64 bit and I've used separate computers so that the drivers for KIES and Verizon Update App doesn't clash, yet I'm still getting the same messages from Odin.
OR am I missing something else??
By the way, Sammy's Galaxy Apps is still in Dutch!!
sjbrother said:
No, I didn't get it by OTA. I did it through KIES. I'm an American ex-pat living in the UK for the past few years and I had this shipped to me from family back in Florida. It doesn't seem that the OTA would work at all and the only way I could get the update is through KIES.
As for resetting, that's what I was trying to do. When I do a "factory" reset, it puts 5.1.1. back on again plus the Verizon repair app is not giving me any joy since it's doing the same and placing lollipop 5.1.1, which is why I'm going through ODIN mode to place the original ROM back onto it that I've downloaded from SamMobile's website. However, as I mentioned, Odin on all versions are giving me "ADDED!! REMOVED!!".
What I really find so strange is that the Verizon Update/Repair app will re-flash with no problem; but when trying to use Odin, it won't connect. Can someone give me a clue on what's going on with that??
It would also mentioned I'm using Odin on Windows 7 64 bit and I've used separate computers so that the drivers for KIES and Verizon Update App doesn't clash, yet I'm still getting the same messages from Odin.
OR am I missing something else??
By the way, Sammy's Galaxy Apps is still in Dutch!!
Click to expand...
Click to collapse
Did you ever get this figured out? I, myself, am having a terrible time with the lollipop upgrade on my 905V. I've tried to ODIN back to 4.2.2 with no luck. ODIN fails every time I try to push one of the older versions to the tablet.
I am like you where I had to use ODIN to upgrade to 5.1.1. I was rooted and I had done a few other things which required me to factory reset a couple times after using ODIN to install an original factory package.
It is possible we are S.O.L. There is simply no DEV support for a device few people have, I don't expect much.
My only shot to try next is to see if putting one of the older versions in a specific folder will give me an option in Kies to revert back.
There is always a chance someone will come along with the answer we need.
Lollipop haywire
I to have the Verizon Note Pro and recently did the update to lollipop and is having a horrible experience... The system seems to be unstable all my apps are crashing a lot... Ive tried to revert back to 4.2.2 using Odin as well but no luck. Ive factory reset numerous times... Ive even reinstalled lollipop several times, with no luck. If any one has any insight on what this problem is or have anyway of going about fixing the crashing, please let me know...
Has this ever been figured out? When I first got my NP 12.2 on verizon I rooted it, but then I OTA updated it, like a dummy, to 5.1.1. I want to flash back down to 4.4 or whatever version it WAS so I can root 4.4 then update to a 5.1.1 or 6.0.1 rooted rom. * Any help would be appreciated.
In the same boat
Any help on this? I would really like to downgrade my NP12.2 to Kitkat to root it.
I pretty much a novice to Android, but have 20+ years with PC and MAC. This doesn't seem like it should be that big of a deal. Thanks for any help!

Constant reboots / freezes following OTA update to G920FXXU3DPDP

Hi. My Galaxy S6 (SM-G920F) got an OTA firmware update to G920FXXU3DPDP the other day, since when it constantly freezes or reboots within a few minutes of booting up. This even happens if I boot into safe mode.
The handset is running the stock ROM, not modded in any way.
Before I take it to the local Samsung Support Centre, could I ask:
1. Is anyone else having the same problems? I'm not finding much when searching the web.
2. Is there a way of downgrading the firmware without having to reset (and then re-setup from scratch) the handset? I've got a copy of the previous firmware (G920FXXU3DPBG) from sammobile.
Cheers.
Carrot Cruncher said:
1. Is anyone else having the same problems? I'm not finding much when searching the web.
Click to expand...
Click to collapse
Hi C.C.
This S6Edge report seems very similar to yours.
He successfully was able to make a backup.
Carrot Cruncher said:
2. Is there a way of downgrading the firmware without having to reset (and then re-setup from scratch) the handset?
Click to expand...
Click to collapse
Not that I know, in special, as it seems, you are not rooted neither has a custom recovery.
Nice regards.
.

Note 4 Dreadful unusable performance!

Hi Guys,
Hopefully this is in the right section
I have a Note 4 SM-N910G and its just turned absolutely useless since I factory flashed it. I have rooted it before and bricked it and un bricked it before so have some experience with it. I recently wiped my phone and did a firmware restore using Samsung Kies and since I did the phone is absolutely useless. It started out fine for an hour or two and now it lags by like a minute with any action, even trying to bring up the keyboard when typing. It will reset itself, lock itself, crash, just un useable. I've tried reflashing it again stock a couple times and still the same everytime. It went from perfectly fine to dreadful with the original mentioned restore. I did just recently get an error code of "sbl1 partition doesn't exist" in Boot recovery mode.
Does anyone know if this is fixable and not a hardware issue?
Should I try and just root it again and flash a non-oem rom? (I havent had the time to do it recently)
many thanks,
Tekkado
Hi Guys,
Also I should add that when I was rooted the phone was fine but when i went to unroot through super user the phone was still functioning as though rooted and I couldnt download software updates because my device was "modified".
So thats when i just flashed stock firmware and again now flashing through odin aswell it proceeds fine then the device will say installing updates and then give a no command error or seandroid not enforced. Everytime is basically a different message.
How can I just wipe everything and get back to stock?
Thanks
So to add to this is there any relationship between the firmware running and the bootloader? I just realised that before i tried to flash stock firmware i was rooted and didnt un root via superuser because in the past that did jack all.
I flashed dr. ketan rom this morning and the phone was operating as normal very snappy but as soon as i downloaded a new app from the play store (reddit and chrome) again it turned to absolute crap.
Is there a disconnect here that i missing that can be fixed?
Thanks

Need help with my S6!

Hello there,
Please forgive me if i posted this thread on the wrong place.
-I would've not posted a thread here unless this got serious, so i own a Samsung Galaxy S6, it's 1 year old phone, when i first got it, i used it normally like everyone else and had no problem with it, but my curiosity got me to root the phone, i still did not get any problem with it until i chose to add a ROM. I used NNE 5.1 S8 port and it was working well until it got my phone broken somehow.
-My phone started acting really strange after 2 months of activity of that new ROM, my phone just started restarting randomly and it got me worried, i thought it's an application problem so i first just factory reset it. It seemed it was not the problem on an application, so i chose to change my firmware to a stock one. I searched up recently on the newest firmware for S6 and i found out it's: XEF (France) , PDA (AP): G920FXXU6ERC1 and CSC : G920FOXA6ERC1 on 2018-03-22. I Downloaded 4 files: BL,AP,CP,CSC , and i found out about PIT on one of the posts in this forum (Filename: SM-G920F-ZEROFLTE_EUR_OPEN.pit).
-Before i flashed with Odin, i wiped System, Data, Cache and Dalvrik Cache. The firmware worked well but after 1 hour it started doing the same thing but now differently. It happend to me only 1 time that it froze up on an application, but i think that is just an app problem. The main problem is that when i lock my screen, i cannot unlock it anymore, it just freezes there until it restarts after a short period of time. After the restart, it just keeps going, restarts, asks for pin, restarts and so on.
I tried removing the sim card and putting it back in, did not work.
I tried Safe mode, still same.
Model of phone: SM-G920F
Current firmware: XEF (G920FXXU6ERC1)
Android version: Nougat (7.0)
If you can help me, or you know something about this problem, please repost here, i would be really grateful since this is my only phone
Ininstall twrp backup everything most important efs partition.
Install samsung switch and pray that it asks you to do an update. If not try to flash a diferent version of nougat for example November security patch and try again with samsung switch
lenovot said:
Ininstall twrp backup everything most important efs partition.
Install samsung switch and pray that it asks you to do an update. If not try to flash a diferent version of nougat for example November security patch and try again with samsung switch
Click to expand...
Click to collapse
How could samsung switch possibly help?
I did flash it with different versions already, but no luck :/.
I've been praying a lot for this lately but it is not working lol
Please Bump this!
try doing this.
1) go here: https://updato.com/
2) choose download 2 roms. 1 nougat and another marshmallow (to my knowledge, stock roms are one file. no more splits and unless otherwise stated... no need for pit)
3) first flash nougat using oden
4) try the phone for a few some time.
if after a set amount of time, phone works fancy and no issues present then it's solved.
if not... install marshmallow. then try again.
if all this fails then...
install nougat. as soon as possible afterwards install twrp.
boot into twrp and just leave it there. my twrp locks after a while and screen goes dark until user interaction (just like it's supposed to)
if the same thing happens then its a hardware issue... probably... (i have had my main board fail... kinda similar not similar issue... hope you dont have the same issue and that its just software related)
good luck.
In my case every time there was an update available it would download the whole firmware and by doing so you would get the most fresh and updated version. Also it updates every partition to match

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