Database Users

Stuck on Samsung Galaxy S5 screen when turning on phone

Hello everyone,
My phone just recently started having this issue, where the screen freezes when it first turns on. If I try plugging it in to charge, it freezes on the battery charging screen; there is no animation that indicates that it is charging. I've tried going into recovery mode but all there is is something that says "MMC: mmc_read fail Movinand Checksum Confirmation Fail". I can, however, go into download mode, where I can install a custom OS. It seems that this screen functions fine and my instinct is telling me that if I want to continue to use my phone, I'll have to reinstall the firmware. I'm not interested in installing a custom OS but I do just want to get my phone back. I did not do anything to my phone, I turned it off for a flight and when I landed, I turned it on and it started freezing when I tried using it. I was able to send out a few texts before it froze and I had to restart the phone but then it just wouldn't get past the Samsung Galaxy S5 screen.
Thank you for your help.

If I understand correctly your phone is not rooted ? Then only a factory reset will help you I think ...

In my experience, a factory reset will fix that, but wipe data also. On S3 and Note 3, I have Odin'ed stock firmwares over stock firmwares before and it has retained the data while fixing the problem. You may want to look into this method.

BCSC said:
In my experience, a factory reset will fix that, but wipe data also. On S3 and Note 3, I have Odin'ed stock firmwares over stock firmwares before and it has retained the data while fixing the problem. You may want to look into this method.
Click to expand...
Click to collapse
I've sort of looked into the Odin method but I'm still slightly confused and a little reluctant do so without clear instructions. Do you know of a particularly good tutorial that could help me with this? I do want to retain some of the data.
Thank you for your help, if this doesn't work, I'll probably just factory reset it.

allsheneedewassome said:
I've sort of looked into the Odin method but I'm still slightly confused and a little reluctant do so without clear instructions. Do you know of a particularly good tutorial that could help me with this? I do want to retain some of the data.
Thank you for your help, if this doesn't work, I'll probably just factory reset it.
Click to expand...
Click to collapse
Its quite simple. Donwload your region firmware from sammobile or from the firmware thread, open odin 3.07 (later versions have issues). Don't change any settings but do make sure "repartition" is NOT checked as this may cause brick. Click on "pda". Select the firmware you just downloaded. Now boot phone into download mode, I believe its vol down home and power pressed altogether. Dismiss the warning and connect your phone. Finally once it says "added" press start. Thats it, good luck!

@non4 said:
Its quite simple. Donwload your region firmware from sammobile or from the firmware thread, open odin 3.07 (later versions have issues). Don't change any settings but do make sure "repartition" is NOT checked as this may cause brick. Click on "pda". Select the firmware you just downloaded. Now boot phone into download mode, I believe its vol down home and power pressed altogether. Dismiss the warning and connect your phone. Finally once it says "added" press start. Thats it, good luck!
Click to expand...
Click to collapse
This is correct.

Is it possible to install a different regions firmware to my S4?

Hey guys quick question before I download and attempt it, I have an Australian i9506 (Cat 4 LTE) but we don't have an official 5.0.1 firmware yet.
Can I just download the Nordic version from http://www.sammobile.com/firmwares/database/GT-I9506/ and install it, or would it brick my phone/radios not work?
Thanks

juzza87 said:
Hey guys quick question before I download and attempt it, I have an Australian i9506 (Cat 4 LTE) but we don't have an official 5.0.1 firmware yet.
Can I just download the Nordic version from http://www.sammobile.com/firmwares/database/GT-I9506/ and install it, or would it brick my phone/radios not work?
Thanks
Click to expand...
Click to collapse
Hi mate,
Yes you can !! it will not brick it , you may have (or not) problems with the modem as maybe is not the best for your region but you can always flash another...
should not be a problem
BACKUP first , nandroid and your EFS Folder, just in case there is a problem

Just to add to the previous suggestion, use Wanam's EFS Backup Tool rather than Samsung Tool, as it not only backs up the EFS partition but the hidden partitions where the IMEI and the modem are stored.

Strephon Alkhalikoi said:
Just to add to the previous suggestion, use Wanam's EFS Backup Tool rather than Samsung Tool, as it not only backs up the EFS partition but the hidden partitions where the IMEI and the modem are stored.
Click to expand...
Click to collapse
+1 mate!!

It also depends if your phone is carrier locked.

Thanks for the advice guys I'm giving it a try now, will edit as I go. My phone is not carrier locked (Voda AU don't lock them fortunately but they provide the codes on their website for free to unlock anyway).
So I downloaded Odin3 3.09 and the firmware I9506XXUDOA6_I9506NEEDOA6_NEE (this is the link from sammobile).
I'm following the instructions I found on another site but it's basically put the phone into download mode (home, power and volume down), agree to enter download mode, in Odin for AP select the .tar.md5, make sure Auto Reboot and F. Time Reset are ticked but not Re-Partition or anything else and start.
EDIT 1: The phone rebooted into recovery and updated something, now the phone is booting with a new boot animation. (for those referring to this I was on the latest AU Voda FW, then updated to CM12 5.0.2).
EDIT 2: After the usual nerve-wracking amount of time of first boot the boot logo finally went away and the usual "optimizing apps" message has come up and it's started (235 apps whoa the bloat). Waiting for that but at least it's working to a point where I can recover it. I just realised it's 6:10AM now and I FORGOT TO MAKE A BACK UP. I hope this works but worse case scenario there's a 4.4.2 Vodafone firmware I could flash and try my luck with if this doesn't work out.
EDIT 3: I'm not sure if it's part of the setup process but the word "UP" then a short progress bar appeared on the screen, now I've got only a black screen with a status bar (4G icon is there but no clock). I have rebooted from the power menu, let's see what's going on here.
EDIT 4: Cache wipe from stock recovery didn't work, trying factory reset from stock recovery. I note that the first time I set up the phone it was plugged into the computer with ODIN still running, I don't think it could have interfered but I unplugged the phone this time just in case.
EDIT 5: I'm not sure if it was ODIN or needing to do a factory reset but it's working now, I'm running through the set up. WiFi is working 100%.
Final EDIT: Everything is working 100%, tested the camera, proximity sensor, screen rotation, voice calls, mobile data, wifi and it's all 100%.

juzza87 said:
Thanks for the advice guys I'm giving it a try now, will edit as I go. My phone is not carrier locked (Voda AU don't lock them fortunately but they provide the codes on their website for free to unlock anyway).
So I downloaded Odin3 3.09 and the firmware I9506XXUDOA6_I9506NEEDOA6_NEE (this is the link from sammobile).
I'm following the instructions I found on another site but it's basically put the phone into download mode (home, power and volume down), agree to enter download mode, in Odin for AP select the .tar.md5, make sure Auto Reboot and F. Time Reset are ticked but not Re-Partition or anything else and start.
EDIT 1: The phone rebooted into recovery and updated something, now the phone is booting with a new boot animation. (for those referring to this I was on the latest AU Voda FW, then updated to CM12 5.0.2).
EDIT 2: After the usual nerve-wracking amount of time of first boot the boot logo finally went away and the usual "optimizing apps" message has come up and it's started (235 apps whoa the bloat). Waiting for that but at least it's working to a point where I can recover it. I just realised it's 6:10AM now and I FORGOT TO MAKE A BACK UP. I hope this works but worse case scenario there's a 4.4.2 Vodafone firmware I could flash and try my luck with if this doesn't work out.
EDIT 3: I'm not sure if it's part of the setup process but the word "UP" then a short progress bar appeared on the screen, now I've got only a black screen with a status bar (4G icon is there but no clock). I have rebooted from the power menu, let's see what's going on here.
EDIT 4: Cache wipe from stock recovery didn't work, trying factory reset from stock recovery. I note that the first time I set up the phone it was plugged into the computer with ODIN still running, I don't think it could have interfered but I unplugged the phone this time just in case.
Click to expand...
Click to collapse
Hi mate
How is it going?
If trouble , do a factory reset and flash it again....

Thanks mate that did the trick!

juzza87 said:
Thanks mate that did the trick!
Click to expand...
Click to collapse
glad to hear it mate, you did it!!
Thanks for let in us know.

For any other Aussies out there trying this I'm on day two and everything is working perfectly, getting root is super easy too, just use Odin to flash a custom recovery (Solk's CWM from May 2014 works great), boot into the recovery and install UPDATE-SuperSU-v2.45.zip, exit and when it asks if you want to repair root say yes. Reboot, go to the play store, update to the latest SuperSU and all is well.

Yotaphone 2 reboots by itself after after the screen switches off.

Hello
I have a Yotaphone 2 running android 5.0. I have a huge problem with the device which is, that the phone reboots automatically all by itself after the screen turns off. The screen timeout is set at 1 minute and once the screen goes off, the phone reboots! I don't know what the problem is but its making me crazy!
Note: The phone does not reboot if the screen doesn't turn off. So I changed the screen timeout to 30minutes. Also note that Wi-Fi doesn't start immediately. It doesn't even start most of the time and is stuck at "turning on"! And also, the phone isn't detecting my SIM Card!
Hope someone can solve my problem.

Wow, seems a lot of problems here. However you provided very few info about your phone.
1) Where did you buy it?
2) What have you done after you opened it, OTA? Which firmware was installed?
3) Have you tried factory reset by wiping data in the stock recovery? (Accessible with Vol+ and Power)
4) Have you tried to flash from scratch the RU .124 firmware with YotaFlasher?
5) The phone was behaving normally before or it's doing this as soon as you started using it?

I got the phone as a gift
TheArt. said:
Wow, seems a lot of problems here. However you provided very few info about your phone.
1) Where did you buy it?
2) What have you done after you opened it, OTA? Which firmware was installed?
3) Have you tried factory reset by wiping data in the stock recovery? (Accessible with Vol+ and Power)
4) Have you tried to flash from scratch the RU .124 firmware with YotaFlasher?
5) The phone was behaving normally before or it's doing this as soon as you started using it?
Click to expand...
Click to collapse
-The phone was a gift from "Aramex Company".
-Yes, I have factory reset it! Note: It wasn't possible to reset it from settings because it would always get stuck in "Shutting Down" phase and nothing would happen. So I hard reset it.
-I found something strange going on though. Whenever I reset it, It would restart (after the reset is over) and say that "ANDROID IS UPGRADED TO 5.0".
I think it is upgrading by itself to 5.0.
-No, I haven't tried any flashing.
-Yes, the phone was working fine for a while and then started behaving like this!
Cheers!
(Thank You for your support and attention by the way)

Video
Hello!
I have made a video showing what the problems are! Please give me your e-mail so that I can send you the "Dropbox" link to the video.
Thank You!

I think the first thing to do here is to flash a clean firmware (RU or EU) on your phone via YotaFlasher, search here on xda how, and then report back if it's happen again! Seems that the firmware it was shipped with wansn't so stable.

Flashed it!
TheArt. said:
I think the first thing to do here is to flash a clean firmware (RU or EU) on your phone via YotaFlasher, search here on xda how, and then report back if it's happen again! Seems that the firmware it was shipped with wansn't so stable.
Click to expand...
Click to collapse
Hey!
As you had prescribed, I flashed it! First I flashed it with Android 5.0.0-ME1.1.60 and after opening the phone I used it for a while and the phone was same as before flashing! There was no difference at all! The phone was restarting on turning screen off as usual, the WiFi wasn't turning on, and the SIM wasn't being recognized!
But then I flashed it with Android 4.4.3-S01-003-ME1.0.3.61a and the phone is still rebooting by itself upon switching the screen off and the WiFi problem still persists! The WiFi just simply won't turn on. It's stuck at "turning on"! The SIM isn't recognized either! Also, the phone is restarting from the inside now (It wasn't restarting before. I had to keep the power button pressed every time I wanted to restart)! But NOTE that the phone still cannot be just shut down, it can only be restarted!
I don't know what to do!
Cheers

can you please help me find 4.4.3-S01-003-ME1.0.3.61a firmware. i tried yotaflasher and i cant make the program work. it exits close itself. i couldnt find any firmware folder in yotadevices ftp too. can you help me found the spesific firmware please?

Why are you unable to make yotaflasher work
lgk350tr said:
can you please help me find 4.4.3-S01-003-ME1.0.3.61a firmware. i tried yotaflasher and i cant make the program work. it exits close itself. i couldnt find any firmware folder in yotadevices ftp too. can you help me found the spesific firmware please?
Click to expand...
Click to collapse
Hi lgk350tr,
Why are you unable to make yotaflasher work, it is a pretty simple application. Have you tried to see instruction videos on YouTube on how to use it? Instructions are also available on XDA Developers' website. ( https://forum.xda-developers.com/yotaphone-one/general/yota-flasher-download-t3480922 )
Don't hesitate to contact, for any problem!
Cheerio

Please help..................I spent 800 USD on this phone and I can't use it
Can someone freaking help me with my phone's problem, I have spent 800 US Dollars buying that phone, and I can't even use it! It has been 6 months since I opened this thread and no one has helped me yet!
PLEASE HELP..............................................................:crying::crying::crying:

akahomeacc said:
Can someone freaking help me with my phone's problem, I have spent 800 US Dollars buying that phone, and I can't even use it! It has been 6 months since I opened this thread and no one has helped me yet!
PLEASE HELP..............................................................:crying::crying::crying:
Click to expand...
Click to collapse
Try flashing the hybrid modem mentioned in the general guide (Part 2).
Try flashing 2 times before rebooting.
If nothing helps, you could try lineageos, @angelll123 made a lengthy guide how to that in the post quoted here , also check my comment.

Is this what you mean?
tomgaga said:
Try flashing the hybrid modem mentioned in the general guide (Part 2).
Try flashing 2 times before rebooting.
If nothing helps, you could try lineageos, @angelll123 made a lengthy guide how to that in the post quoted here , also check my comment.
Click to expand...
Click to collapse
I have attached a screenshot of the Yotaphone 2 General guide page, I want to know if you are referring to the text that I highlighted in the screenshot!
Thank You

I do experience similar issue, but only recently. I haven't done anything like flashing or upgrading my phone, it started by itself .
I am experiencing reboots whenever battery drops below about two thirds of its capacity. Also, charging and handling some load prevents this.
Note that my Yotaphone has both displays damaged. Still working though.

N910F Stock firmware corrupted.

My note 4, randomly crashed, running completely stock.
Began bootlooping and hasn't stopped.
Have downloaded firmwares from Samsung-Firmware . org, as SamMobile will literally not allow me to download anything for free??
No firmware has worked on the device, Have tried numerous PDA versions as I am unsure which the phone originally is.
The first firmware gave the error "dm-verity verification failed" in the recovery menu.
Have wiped cache and data.
Note: This is actually the second N910F which had corrupted itself and stopped working.
Help! :angel:

Do you want to recover some data from it?
If Not than you can try factory reset from Recovery menu.
Other than that it might be memory corrupted or your battery.
Try to change the battery.

a602820922 said:
Do you want to recover some data from it?
If Not than you can try factory reset from Recovery menu.
Other than that it might be memory corrupted or your battery.
Try to change the battery.
Click to expand...
Click to collapse
No data to recover, have tried factory reset from recovery menu, sure will try another battery.

a602820922 said:
Do you want to recover some data from it?
If Not than you can try factory reset from Recovery menu.
Other than that it might be memory corrupted or your battery.
Try to change the battery.
Click to expand...
Click to collapse
New battery: Allowed the phone to boot past the first "Samsung Note 4" screen to : "Samsung" logo, but the phone made a loud beep/screech.

If you want to reflash the Stock ROM search for a version on https://updato.com
I just reflashed mine (g910f) even twice as I had an Infini-Boot, too. After cleaning Dalvik/Cache and formatting data, taking out the battery, after some time it suddenly displayed that it's going to setup apps and it works since then ...
So maybe just be patient.

TheEnda619 said:
My note 4, randomly crashed, running completely stock.
Began bootlooping and hasn't stopped.
Have downloaded firmwares from Samsung-Firmware . org, as SamMobile will literally not allow me to download anything for free??
No firmware has worked on the device, Have tried numerous PDA versions as I am unsure which the phone originally is.
The first firmware gave the error "dm-verity verification failed" in the recovery menu.
Have wiped cache and data.
Note: This is actually the second N910F which had corrupted itself and stopped working.
Help! :angel:
Click to expand...
Click to collapse
to get the latest stock rom for your device, free and fast
look what you have to do:
download this (windows ) application and install it on your windows pc.
This is the aplication that will allow you to search and download the latest stock rom for your phone.
It connect to Samsung servers and in very little time you will have a new stock rom on your pc.
choose samfirm 3.06
extract it on a folder on your PC and run samfirm.exe
in the opening menu type
SM-N910F(or T/V/W etc your phones model)
REGION..... xxx (your region code)
these 2 you can find in a sticker under your battery if you open the phone and take off the battery
tick '' BINARY NATURE''
(If you dont tick BINARY...'' you will get the whole stock rom in one file xxxx.tar.md5 to flash it in the oding using the AP tab)
CHECK UPDATES>DOWNLOAD
THIS WAY YOU WILL GET THE LATEST STOCK ROM FOR YOUR PHONE/REGION
Binary nature means the rom split in 4 files
1. BL- bootloader
2.AP - rom
3. CP - modem
4. CSC - Customer support code(region/country)
This is what a stock rom is consist of
this kind of rom is also called REPAIR ROM, because you can use it to repair your phone.
If you look in odin you will find exactly these 4 entries.
So you can put each in the appropriate box and flash them all and so have a stock rom.
push start
Wait until rom flashes and phone reboots.
Hopefully it will solve your problem and everything will go as we all wish to.
BUT, from what you are describing, i am afraid for 2 things:
1. Your battery is almost dead, thats the good scenario .
With 20 $ you will solve it.
So new battery, new rom> problem solved, or
2. You are starting to have the emmc failure on your phone.
Thats a tough one.
Lets hope its not the case.
Just in case
https://forum.xda-developers.com/note-4/help/note-4-freezing-restarting-t3348821
https://forum.xda-developers.com/note-4/snapdragon-dev/note-4-debrick-img-t3488114
good luck my friend

Help with NFC Crashing - AT&T S8 Active

Hey,
Need some help. My brand new AT&T S8 Active arrived yesterday. Since I am located outside the US I'm stuck with utilising Odin to update the software.
The current version listed on the AT&T website was 5CSK1 and I was able to track down the update:
https://forum.xda-developers.com/showpost.php?p=81251867&postcount=743
It installed successfully, everything is going well however I am unable turn on NFC. The toggle found in the settings menu is off and when I attempt to switch it on it greys out for a few seconds then the 'NFC keeps stopping' error appears on the bottom of the screen.
I've cleared the cache/data for the NFC app - no luck,
I've performed a factory reset via recovery menu - no luck.
I've installed the previous build 5CSJ3 from: https://forum.xda-developers.com/showpost.php?p=80903399&postcount=187 with a factory reset straight after - no luck.
I'm currently back on the latest K1 build.
Logcat shows errors with 'libnfc_nci' and a 'Fatal Exception' for the 'com.android.nfc' process. And to top it all off the NFC app is draining my battery.
If anyone can help me that would be awesome.

dchalkley said:
Hey,
Need some help. My brand new AT&T S8 Active arrived yesterday. Since I am located outside the US I'm stuck with utilising Odin to update the software.
The current version listed on the AT&T website was 5CSK1 and I was able to track down the update:
https://forum.xda-developers.com/showpost.php?p=81251867&postcount=743
It installed successfully, everything is going well however I am unable turn on NFC. The toggle found in the settings menu is off and when I attempt to switch it on it greys out for a few seconds then the 'NFC keeps stopping' error appears on the bottom of the screen.
I've cleared the cache/data for the NFC app - no luck,
I've performed a factory reset via recovery menu - no luck.
I've installed the previous build 5CSJ3 from: https://forum.xda-developers.com/showpost.php?p=80903399&postcount=187 with a factory reset straight after - no luck.
I'm currently back on the latest K1 build.
Logcat shows errors with 'libnfc_nci' and a 'Fatal Exception' for the 'com.android.nfc' process. And to top it all off the NFC app is draining my battery.
If anyone can help me that would be awesome.
Click to expand...
Click to collapse
ugh, the active line... there hasnt ever been much support for those. All you can really do is keep flashing the stock firmware and hope that the errors resolve themselves.
Side note: have you noticed how they stopped making the active phones? They were a dismal failure. All they are is the regular phone in a case that you cant take off :/

dchalkley said:
Hey,
Need some help. My brand new AT&T S8 Active arrived yesterday. Since I am located outside the US I'm stuck with utilising Odin to update the software.
The current version listed on the AT&T website was 5CSK1 and I was able to track down the update:
https://forum.xda-developers.com/showpost.php?p=81251867&postcount=743
It installed successfully, everything is going well however I am unable turn on NFC. The toggle found in the settings menu is off and when I attempt to switch it on it greys out for a few seconds then the 'NFC keeps stopping' error appears on the bottom of the screen.
I've cleared the cache/data for the NFC app - no luck,
I've performed a factory reset via recovery menu - no luck.
I've installed the previous build 5CSJ3 from: https://forum.xda-developers.com/showpost.php?p=80903399&postcount=187 with a factory reset straight after - no luck.
I'm currently back on the latest K1 build.
Logcat shows errors with 'libnfc_nci' and a 'Fatal Exception' for the 'com.android.nfc' process. And to top it all off the NFC app is draining my battery.
If anyone can help me that would be awesome.
Click to expand...
Click to collapse
Might try redownloading a different firmware from a differ location. I had this issue on a lg back in the day the camera wouldnt work no matter what I always restored stock with one firm I had. And it ended up being a bad download. Another possibility is a bad NFC chip. If it's new I'd have it warranted

Thankyou, Thankyou Youdoofus and TheMadScientist for your advice.
Woke up early today (3am) with coffee in hand I tried again downloading the K1 and J3 builds; neither worked.
Unfortunately there's no alternative download for them... Google points to the XDA forums which seem to come from some Russian forum.
I've gone to an earlier build - 5CSI3 - https://forum.xda-developers.com/showpost.php?p=80505887&postcount=186 which works.
So it's not a NFC chip issue, yay. Now, just need to figure out what I'll do when the next update hits at the end of this month.

dchalkley said:
Thankyou, Thankyou Youdoofus and TheMadScientist for your advice.
Woke up early today (3am) with coffee in hand I tried again downloading the K1 and J3 builds; neither worked.
Unfortunately there's no alternative download for them... Google points to the XDA forums which seem to come from some Russian forum.
I've gone to an earlier build - 5CSI3 - https://forum.xda-developers.com/showpost.php?p=80505887&postcount=186 which works.
So it's not a NFC chip issue, yay. Now, just need to figure out what I'll do when the next update hits at the end of this month.
Click to expand...
Click to collapse
Make sure your using the latest odin build 3.13. I dont have an active. **** I read it wrong so it does work on other builds?

TheMadScientist said:
Make sure your using the latest odin build 3.13. I dont have an active. **** I read it wrong so it does work on other builds?
Click to expand...
Click to collapse
Yeah, it's working on the 5CSI3 build from October 2019, there's been two recent updates since then (and another will come at the end of the month). I don't know what's happening as no one else has reported this issue .
Just wanting to be on the most recent version for security and the annoyance of having data wiped every update.
Edit: Yeah, Odin v3.13.1 . No errors being displayed, all green.

This issue is very likely to be caused by 3rd party sim unlock or FRP removal and meddling with knox.
I have been trying to get around this problem and it seems it is either a security measure to disable nfc payments on triggering knoxguard or problem with modem.
this problem started after CSJ3 update afaik and only on some phones, if someone can explain this would be great.
Solution:
You will lose all data so backup is recommended
Remove your SIM card, re-install the firmware with ODIN and check Nand Erase auto reboot and F. reset time
Check your KG status(checking or prenormal) on the bootloader, and in settings>device care you will see Security is disabled and it crashes when you click it.
I also noticed the settings menu is weird with many broken options and dailer codes dont work anymore.
EDIT: Workaround Solution:
THIS IS FOR G892A ONLY who have problem with NFC after updating to builds after December 2019
Disclaimer: do at your own risk and can break your phone signal or system detected as rooted/custom
note: you will lose all data, ONLY check "Auto Reboot" and "F. Reset Time" in odin
1) Backup your data
2) Delete your google account, so FRP : OFF in bootloader (this can cause problems if not done)
3) Flash 5 firmware files G892AUCS5CTC1 (latest rom with march 2020 security) and get back to bootloader
4) Flash 3 files from G892AUCS5CSI3 : BL, CP and CSC
(odin will say PASS, but recovery will give error)
5) select wipe data partition then reboot to system
when the phone starts you will see NFC logo in statusbar means you are successful
if you get errors while using odin: flash combination file : G892AUCU5ASD1 if this doesnt work it means you have different problem (cable, socket, pc, bad chip)
i tried flashing CP file only and phone booted into UPLOAD mode, so dont panic if you get into UPLOAD mode just reboot with 3 buttons to recovery and start over

Vcek said:
This issue is very likely to be caused by 3rd party sim unlock or FRP removal and meddling with knox.
I have been trying to get around this problem and it seems it is either a security measure to disable nfc payments on triggering knoxguard or problem with modem.
this problem started after CSJ3 update afaik and only on some phones, if someone can explain this would be great.
Solution:
You will lose all data so backup is recommended
Remove your SIM card, re-install the firmware with ODIN and check Nand Erase auto reboot and F. reset time
Check your KG status(checking or prenormal) on the bootloader, and in settings>device care you will see Security is disabled and it crashes when you click it.
I also noticed the settings menu is weird with many broken options and dailer codes dont work anymore.
EDIT: Workaround Solution:
THIS IS FOR G892A ONLY who have problem with NFC after updating to builds after December 2019
Disclaimer: do at your own risk and can break your phone signal or system detected as rooted/custom
note: you will lose all data, ONLY check "Auto Reboot" and "F. Reset Time" in odin
1) Backup your data
2) Delete your google account, so FRP : OFF in bootloader (this can cause problems if not done)
3) Flash 5 firmware files G892AUCS5CTC1 (latest rom with march 2020 security) and get back to bootloader
4) Flash 3 files from G892AUCS5CSI3 : BL, CP and CSC
(odin will say PASS, but recovery will give error)
5) select wipe data partition then reboot to system
when the phone starts you will see NFC logo in statusbar means you are successful
if you get errors while using odin: flash combination file : G892AUCU5ASD1 if this doesnt work it means you have different problem (cable, socket, pc, bad chip)
i tried flashing CP file only and phone booted into UPLOAD mode, so dont panic if you get into UPLOAD mode just reboot with 3 buttons to recovery and start over
Click to expand...
Click to collapse
Hello There!..kind of new about this so..long story short..
Phone had Android 8, and I really love Night mode on Android 9, so...I've found BL, AP, CP, CSC, USER Data ROM for GALAXY S8 ACTIVE AT&T Unlocked, however..I am a little bit afraid of any NAND Erase.
I am not an expert, but I can tell you are. By any chance do you have any vide or graphic tutorial abot how you can perform these actions? It is very odd that I am unable to have any *# codes working, and lately, I've received this odd message about NFC Service has stopped, so...any graphic step by step guide will be highly appreciated it.
I've tried ....soft reset, then factory reset, then flash again ODIN (BL, AP,CP, CSC and USER DATA ) But I have no idea how to back up my data, and it will be very helpful to have G892AUCS5CSI3 as well.
Thank you very much for your time, I hope you can help me and I appreciate very much your time.
The one that I have is AP_G892AUCS5CTC1_CL16888298_QB29841048_REV00_user_low_ship_MULTI_CERT_meta_OS9.tar
BL_G892AUCS5CTC1_CL16888298_QB29841048_REV00_user_low_ship_MULTI_CERT.tar
CP_G892AUCS5CTC1_CP15398738_CL16888298_QB29841048_REV00_user_low_ship_MULTI_CERT.tar
CSC_ATT_G892AATT5CTC1_CL16888298_QB29841048_REV00_user_low_ship_MULTI_CERT.tar
USERDATA_G892AUCS5CTC1_CL16888298_QB29841048_REV00_user_low_ship_MULTI_CERT.tar

SOLVED!
So...I've followed the steps to install only BL, CP and CSC using G892AUCS5CSI3...however, the system started as usual, and actually did not work =(
RESOLUTION:
INSTALL THE FULL G892AUCS5CSI3. Worked as magic =)
thank you for the thread!!

moncd6 said:
Hello There!..kind of new about this so..long story short..
Phone had Android 8, and I really love Night mode on Android 9, so...I've found BL, AP, CP, CSC, USER Data ROM for GALAXY S8 ACTIVE AT&T Unlocked, however..I am a little bit afraid of any NAND Erase.
I am not an expert, but I can tell you are. By any chance do you have any vide or graphic tutorial abot how you can perform these actions? It is very odd that I am unable to have any *# codes working, and lately, I've received this odd message about NFC Service has stopped, so...any graphic step by step guide will be highly appreciated it.
I've tried ....soft reset, then factory reset, then flash again ODIN (BL, AP,CP, CSC and USER DATA ) But I have no idea how to back up my data, and it will be very helpful to have G892AUCS5CSI3 as well.
Thank you very much for your time, I hope you can help me and I appreciate very much your time.
The one that I have is AP_G892AUCS5CTC1_CL16888298_QB29841048_REV00_user_low_ship_MULTI_CERT_meta_OS9.tar
BL_G892AUCS5CTC1_CL16888298_QB29841048_REV00_user_low_ship_MULTI_CERT.tar
CP_G892AUCS5CTC1_CP15398738_CL16888298_QB29841048_REV00_user_low_ship_MULTI_CERT.tar
CSC_ATT_G892AATT5CTC1_CL16888298_QB29841048_REV00_user_low_ship_MULTI_CERT.tar
USERDATA_G892AUCS5CTC1_CL16888298_QB29841048_REV00_user_low_ship_MULTI_CERT.tar
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You can backup your data with Samsung backup and restore to Samsung cloud or to your PC with Samsung's Smart Switch app.
As for tutorial I'll try to make one with images for the latest ROM G892AUCU5CTF4 dated 20-Aug-2020 with August security patch. I'll upload it later as I still have to backup my phone before updating.

Thanks!
Thank you so much!
Is it G892AUCU5CTF4 a estable versión for S8 Active? Or does it has any other bugs? I had to "downgrade" and now things are pretty cool, however, I would love to have the newest version. Thank you!

moncd6 said:
Thank you so much!
Is it G892AUCU5CTF4 a estable versión for S8 Active? Or does it has any other bugs? I had to "downgrade" and now things are pretty cool, however, I would love to have the newest version. Thank you!
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It doesn't have any bugs but some people have issue with flashing new builds, if you have this issue just install CSI3 build or earlier

dchalkley said:
It installed successfully, everything is going well however I am unable turn on NFC. The toggle found in the settings menu is off and when I attempt to switch it on it greys out for a few seconds then the 'NFC keeps stopping' error appears on the bottom of the screen.
I've cleared the cache/data for the NFC app - no luck,
I've performed a factory reset via recovery menu - no luck.
I've installed the previous build 5CSJ3 from: https://forum.xda-developers.com/showpost.php?p=80903399&postcount=187 with a factory reset straight after - no luck.
... And to top it all off the NFC app is draining my battery.
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Same. I also tried CTA2 and CTL1. Everything after CSI3 has NFC crashing and excessive battery drain. I've tried multiple flashes on multiple phones.
dchalkley said:
I tried again downloading the K1 and J3 builds; neither worked.
Unfortunately there's no alternative download for them... Google points to the XDA forums which seem to come from some Russian forum.
I've gone to an earlier build - 5CSI3 - https://forum.xda-developers.com/showpost.php?p=80505887&postcount=186 which works.
So it's not a NFC chip issue, yay. Now, just need to figure out what I'll do when the next update hits at the end of this month.
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Same.
dchalkley said:
I don't know what's happening as no one else has reported this issue .
Edit: Yeah, Odin v3.13.1 . No errors being displayed, all green.
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Same here. I used Odin 3.14.1, though.
Vcek said:
Solution:
You will lose all data so backup is recommended
Remove your SIM card, re-install the firmware with ODIN and check Nand Erase auto reboot and F. reset time
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This did not work for me, not even with "Nand Erase" checked.
moncd6 said:
It is very odd that I am unable to have any *# codes working, and lately, I've received this odd message about NFC Service has stopped, so...
Click to expand...
Click to collapse
Same. The problem of the secret dialer codes not working parallels the NFC problem for me; that is to say that it doesn't work on any firmware after CSI3.

moncd6 said:
SOLVED!
So...I've followed the steps to install only BL, CP and CSC using G892AUCS5CSI3...however, the system started as usual, and actually did not work =(
RESOLUTION:
INSTALL THE FULL G892AUCS5CSI3. Worked as magic =)
thank you for the thread!!
Click to expand...
Click to collapse
Can you please upload G892AUCS5CSI3? it's all dead links i got

rerenz said:
Can you please upload G892AUCS5CSI3? it's all dead links i got
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Same. I'm not sure where I originally got it from, but here's a reupload from my archives. I created a list of MD5 checksums if you care to check the five files for corruption.

voidxor said:
Same. I'm not sure where I originally got it from, but here's a reupload from my archives. I created a list of MD5 checksums if you care to check the five files for corruption.
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Finally, it works! My NFC is back. Thanks, pal.