Database Users

GALAXY NOTE 4 910C 4G not working after Marshmallow 6.0.1 downgrade using Chimera.

As the title says, mine 910C ZTO had 4g working before downgrade to the latest Brazilian ZTO rom available, but now, when i install (via chimera or odin) any stock rom it doesn't detect 4G signal, only 2G and H/H+.
Is it possible to fix it?
Im using this rom right now (/download/71886/N910CXXS2CPE2_N910CZTO2COJ1_ZTO/) from sammobile but no 4G signal.

Did You try to reflash modem ?
http://forum.xda-developers.com/note-4/general/modems-radio-baseband-official-t3034922

d20032003 said:
Did You try to reflash modem ?
http://forum.xda-developers.com/note-4/general/modems-radio-baseband-official-t3034922
Click to expand...
Click to collapse
The links are broken. Have you any reliable 910C modem download link for me? Or should I try to reflash the modem.bin who did come with the stock rom package?
Edit:
The file have to be like .tar.md5 or can i load it in odin CP as modem.bin? Cuz i cant find a .tar.md5 package and i don't know how to compress it.

@sungaunlock, you can fix it easily with PhoneInfo app... But you must be rooted!!
Open the app and go to "secret codes", search for 4636 code and grant root permissions to it;
Then you go to "device informations" andclick in "disable radio", so you enable again...
Now you select "LTE/GSM auto" as your preferred band.
Finally, click at these three dots on right top of screen and enable data conncetion from there, and you're done.
You can tweak the other options available (with care) if problem persists. It worked perfectly for me.

hello look here >>>http://forum.xda-developers.com/showpost.php?p=42393470
to make a tar package md5

XdaBoy01 said:
@sungaunlock, you can fix it easily with PhoneInfo app... But you must be rooted!!
Open the app and go to "secret codes", search for 4636 code and grant root permissions to it;
Then you go to "device informations" andclick in "disable radio", so you enable again...
Now you select "LTE/GSM auto" as your preferred band.
Finally, click at these three dots on right top of screen and enable data conncetion from there, and you're done.
You can tweak the other options available (with care) if problem persists. It worked perfectly for me.
Click to expand...
Click to collapse
The reactivation lock is on and Im not allowed to turn it off, will I still be able to root?
pendor24 said:
hello look here >>>http://forum.xda-developers.com/showpost.php?p=42393470
to make a tar package md5
Click to expand...
Click to collapse
As soon as @XdaBoy01 answer me ill try both methods. Btw, have you a download link of modem for 910c?
How do I know the exactly rom/modem/csc file version my note 4 should be running to discard "wrong rom/modem" version as the cause of the 4G issue?

Man, unfortunately, rooting is not possible with reactivation lock enabled... You must turn it off because it blocks custom recovery installation and everything else.
But why can't you turn it off? What's happening?

New flashed rom has things I never had

Hi guys!
So I have a S7E 935F unlocked.
I tried to root the device and did everything as written and shown in every tutorial but it failed to do so.
After flashing recovery TWRP and trying to flash SuperSU the device just got into a boot loop.
I was reading around and understood that this is a problem due to encryption of the FS.
So I downloaded my firmware from sammobile and flashed my device again, everything got back to normal.
Well, almost normal. The rom I have has the same build number, version, kernel, everything is the same as the original one only that I have things in the settings menu I never has, like I have "apps" twice, one for apps permissions etc and one for apps manager, I also have "T roaming" no idea what it is, never had it, I have "service provider KT twophone".
Also the settings app crash a lot, browser gets stuck a lot, can't change system language to English (app crash).
At the home screen I Samsung Pay which I never had and I have some sort of a news app integrated on my home screen and it's marked with two stripes.
I verified this is a global rom for my country, not by any mobile company as before, I really don't have a clue what to do.
Can someone please advise?

T roaming and KT twophone service are both from korean carriers, maybe you have a wrong CSC installed or your /efs/imei/mps_code.dat is messed up.
Try to download and install the latest firmware of your region using Samfirm and if it still doesn't solve the problem, open up /efs/imei/mps_code.dat and see if matches your region name.

OK so I D/L the firmware again and same thing...
I checked /efs folder and its empty, maybe the content is hidden? Anyways my device has its IMEI and I can use it to make calls... thoughts?

roeio82 said:
OK so I D/L the firmware again and same thing...
I checked /efs folder and its empty, maybe the content is hidden? Anyways my device has its IMEI and I can use it to make calls... thoughts?
Click to expand...
Click to collapse
You need smart switch on your pc, enter your imei number in smart switch and it will download correct firmware according to your imei, then flash it. Good Luck
Sent from my SM-G935F using Tapatalk

Hi the same thing happend to me in settings but did downloading the firmware via smart switch change the settings and if so how do you do this

Tommmy5555 said:
Hi the same thing happend to me in settings but did downloading the firmware via smart switch change the settings and if so how do you do this
Click to expand...
Click to collapse
Hello, this smart switch method is obsolete. Use odin to re-flash your stock rom in case of any issues. Be sure to use correct and matching binary firmware.

Samsung Pay on non-rooted S8+ not working

Hey guys,
I just got a used S8+. Upon booting up it was a clean factory reset. I went forward with the setup.
When i open up Samsung Pay i get the "samsung pay access to samsung pay has been denied...." msg.
This phone is not rooted, i have downloaded a root check and comes back as false.
The person who had the phone never rooted the phone.
And i also get this notification " Security Notice, unauthorized actions have been detected..."
Anyone know what could be wrong with it?

go into download mode, and see there if knox has been tripped. also can you use secure folder?

I had a similiar issue (KNOX not tripped). Just downloaded stock Odin ROM, flashed it and everything worked again.

This is what i get when in download mode?
Ill test Secure Folder now...brb

This is what i get when secure folder is launched.
Secure folder cannot be set up because unauthorized software was installed on the device.

kernel.killer said:
I had a similiar issue (KNOX not tripped). Just downloaded stock Odin ROM, flashed it and everything worked again.
Click to expand...
Click to collapse
IF its not too much trouble can you point me to the right link

https://forum.xda-developers.com/galaxy-s8+/how-to/official-stock-firmware-update-odin-t3582175 In SamFirm model enter your model number (presumably SM-G955U1, can be found in settings) and in region your active CSC (most likely ATT - Settings -> About Phone -> Software Information -> Service provider SW ver., last line of this field contains something in format XXX/XXX/YYY, use the first three letters). In Odin use HOME_CSC for CSC field, to keep your data.

kernel.killer said:
https://forum.xda-developers.com/galaxy-s8+/how-to/official-stock-firmware-update-odin-t3582175 In SamFirm model enter your model number (presumably SM-G955U1, can be found in settings) and in region your active CSC (most likely ATT - Settings -> About Phone -> Software Information -> Service provider SW ver., last line of this field contains something in format XXX/XXX/YYY, use the first three letters). In Odin use HOME_CSC for CSC field, to keep your data.
Click to expand...
Click to collapse
Thank you,
If the phone is fresh and i don't care about data. Should i flash all of the files?

djfred500 said:
Thank you,
If the phone is fresh and i don't care about data. Should i flash all of the files?
Click to expand...
Click to collapse
Yes, it is alway best to flash all files, but if you don't mind loosing your data, you can flash CSC_* package in place of CSC, to also repartition your phone and start fresh. But if you want to keep your data, you can flash the HOME_CSC_* package instead.

Just tried it with all the files and i get this.

I am so lost i am about to pull my hair out...

Ok finally was able to get it up and running with Samsung Pay working...
Ill be back later with a How-To for those folks that are stuck with the same exact problem.

djfred500 said:
Ok finally was able to get it up and running with Samsung Pay working...
Ill be back later with a How-To for those folks that are stuck with the same exact problem.
Click to expand...
Click to collapse
Hi!
You can say how please?
Thanks!

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
Click to expand...
Click to collapse
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!
Click to expand...
Click to collapse
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.
Click to expand...
Click to collapse
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.
Click to expand...
Click to collapse
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.
Click to expand...
Click to collapse
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
Click to expand...
Click to collapse
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
Click to expand...
Click to collapse
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.
Click to expand...
Click to collapse
Finally, it works! My NFC is back. Thanks, pal.

[Guide] How to change CSC on A51

Warning: Do this at your own risk, I am not responsible for any damage that is caused to your device. This method worked for me and should work for everyone.
Credit to yakapa40 on XDA for the apk. This would be impossible without him!
You must make sure the model numbers are the same for the country you want to change to. To check that go to
https://www.sammobile.com/firmwares/recent/
and type in your device model number. leave country code blank. The countries that are listed are those that will work on your specific device. DO NOT TRY TO CHANGE TO A DIFFERENT MODEL NUMBER COUNTRY!
MAKE sure device has above 70% battery just to be safe
OK lets start!
Backup all your data on samsung cloud and google
This will **erase** all your data
Download samsung drivers
https://www.hardreset.info/download/samsung-drivers/
Check the CSC code you want from
https://forum.xda-developers.com/showthread.php?t=2546689 credit to Jasi2169
Important later
download the firmware you want from sammobile (slow download speed) or
https://samfw.com/ for faster download speeds.
It will be a zip file so use winrar to extract and you should get 5 files that start with
AP (System &Recovery)
BL (Bootloader)
CP (Modem / Radio)
CSC\_ (Country / Region / Operator)
HOME\_CSC (Country / Region / Operator)
DELETE the home file
Next download Odin
https://dl2018.sammobile.com/Odin3-v3.14.4.zip
Extract the Odin file and run as administrator
Add each file to its respective field in Odin
Now we need to put the phone in download mode to do that go to:
https://www.hardreset.info/devices/samsung/samsung-galaxy-a51/download-mode/
keep trying until it works.
Next plug the device in and press start. It should take about 3-4 mins for odin to say PASS
DO NOT UNPLUG THE PHONE AT ANY POINT EVEN AFTER ODIN SAYS PASS
Let the phone do its thing and dont worry if it takes too long on the Samsung screen.
You should then be greeted with the welcome screen BUT it may not be the correct language so set it to English (I flashed UK firmware and it came in Russian)
Set the phone up but dont worry about apps we are going to reset the phone again
Head over to (APK provided by yakapa40)
https://drive.google.com/file/d/1hU3vl_V7NsRgI_RsQywytORoB8isJ1ni/view?usp=sharing
on your device or PC and download it. Extract and it should be a apk file. Download it with your device.
Allow unknown sources and it should says done and not open (that is normal)
put you device in flight mode/airplane mode
hold down the home screen and go to themes
Galaxy themes
My stuff
Select mysterious theme(make sure not to click update)
Select try it out
Go to Settings
About phone
Legal information
Change Carrier or whatever third option is (the one that says android 10)
Choose and install the CSC you want (that 3 letter code) remove sim and it will restart phone
again, dont worry if its on the Samsung screen for too long.
You should be back on the welcome screen and you are done!!!
Set up the phone and enjoy!!!
Credit to yakapa40 again on XDA for the apk. This would be impossible without him!

Does it work to enable the NFC on the latam version?

holach said:
Does it work to enable the NFC on the latam version?
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Click to collapse
if the phone has nfc then it will work. NFC is hardware not software.

this method void warranty? ¡Saludos!

carloselvirus said:
this method void warranty? ¡Saludos!
Click to expand...
Click to collapse
no

thanks! i did it and it worked great

If i flash a firmware my brightness problem will go away?

GeorgeEdwardoo said:
If i flash a firmware my brightness problem will go away?
Click to expand...
Click to collapse
If your actual screen is faulty then it wont work but no harm in trying since warranty is not voided

hey, my galaxy theme has not try out option in airplane mode ,, it says check network connection (it has only two button check connection and try again , no try out)... what should I do?

I already installed the mysterious theme and select "try it out", I went to "settings", About phone and in "Legal Information", the option "Change Carrier" does not appear, what could be the problem?
The software version says it is October 1, 2020. Thanks!

danao78 said:
I already installed the mysterious theme and select "try it out", I went to "settings", About phone and in "Legal Information", the option "Change Carrier" does not appear, what could be the problem?
The software version says it is October 1, 2020. Thanks!
Click to expand...
Click to collapse
Just got a new phone with the same software version and the same problem. Did you ever come up with a solution?
Thanks.
Edit: actually this is closer to my problem.
armanate said:
hey, my galaxy theme has not try out option in airplane mode ,, it says check network connection (it has only two button check connection and try again , no try out)... what should I do?
Click to expand...
Click to collapse

oldnoob said:
Just got a new phone with the same software version and the same problem. Did you ever come up with a solution?
Thanks.
Edit: actually this is closer to my problem.
Click to expand...
Click to collapse
Can anybody share the app the link is no working no more

Hi, I changed csc on my A51 in order to enable native call recording feature ( Italian stock firmware and Vietnam XXV CSC ) but after last OTA update ( build a515fxxu5eug5 ) google pay stopped working due to "unsafe firmware", as it was rooted.
Which is your advice ?

andr123a said:
Hi, I changed csc on my A51 in order to enable native call recording feature ( Italian stock firmware and Vietnam XXV CSC ) but after last OTA update ( build a515fxxu5eug5 ) google pay stopped working due to "unsafe firmware", as it was rooted.
Which is your advice ?
Click to expand...
Click to collapse
interesting.. is that means if you skip OTA everything will works ? is your phone boatload unlocked ?

bizkit_120 said:
interesting.. is that means if you skip OTA everything will works ? is your phone boatload unlocked ?
Click to expand...
Click to collapse
No. I think there was some problem with THAT update....because after further updates it started working again...
(Stock Bootloader)

Sounds like very thing works fine now on your phone? How s that call recording func ,works as expected with Bluetooth headphones connected as well ? What about caller id ,assume since region has changed It won't gonna detect correct local numbers,am I right? Thanks for sharing!

Nono, everything about calls (and recording) works perfectly, with headphones, too