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Switching Firmware on Galaxy S8+

Today I tried switching my s8+ which is an Italian unlocked model (ITV) to a United Kingdom unlocked firmware (BTU). I followed all the steps as this is not my first time flashing firmwares with Odin. I found a thread online saying that since BTU is a multi CSC , I need to flash a ROM that's is outside the multi CSC , so I decided to flash a O2 ROM , straight after flashing the BTU hoping that it would change the CSC , but it didn't instead it stood on ITV, the country/region is still on Italy too. Can anyone explain what I done wrong pls ?

Why do you even care about csc ? Install rom for your coutry "global", not branded soft and that's all...

BTU is not branded, it's unlocked with no carrier. Updates are also provided directly from Samsung. I would like to change the ROM for faster updates and features

Commugon said:
Today I tried switching my s8+ which is an Italian unlocked model (ITV) to a United Kingdom unlocked firmware (BTU). I followed all the steps as this is not my first time flashing firmwares with Odin. I found a thread online saying that since BTU is a multi CSC , I need to flash a ROM that's is outside the multi CSC , so I decided to flash a O2 ROM , straight after flashing the BTU hoping that it would change the CSC , but it didn't instead it stood on ITV, the country/region is still on Italy too. Can anyone explain what I done wrong pls ?
Click to expand...
Click to collapse
https://forum.xda-developers.com/galaxy-s8+/how-to/official-stock-firmware-update-odin-t3582175
Read msg #1 #2 #3

So according to what I read it's impossible to change the CSC to BTU on the Galaxy s8 unless you have a UK Sim. This used to be possible on the s7.

Commugon said:
So according to what I read it's impossible to change the CSC to BTU on the Galaxy s8 unless you have a UK Sim. This used to be possible on the s7.
Click to expand...
Click to collapse
But NOT possible anymore on the S8/S8+
ITV & BTU are both part in OXM. When you flash BTU-ROM, your device will stay ITV because both are in OXM...

Commugon said:
So according to what I read it's impossible to change the CSC to BTU on the Galaxy s8 unless you have a UK Sim. This used to be possible on the s7.
Click to expand...
Click to collapse
Yes, S7 didn't use the multi-CSC, each region had it's own CSC.
But the Euro S8 has Multi-CSC, so it won't change region until you put in a SIM from that new region.

Thanks guys for helping. I just wanted to change the CSC for quicker updates and for region specific features like Bixby Voice when it gets released in the UK.

Csc change

I bought my samsung galaxy s8 plus from dubai its csc code is xsg and i want to change my csc code to ins (india) can i change it without any problem ? and i use jio 4g now in my dubai s8 its shows 4g when i change ite csc than its show lte or not? Plz help

amanjain24 said:
I bought my samsung galaxy s8 plus from dubai its csc code is xsg and i want to change my csc code to ins (india) can i change it without any problem ?
Click to expand...
Click to collapse
if you have a g955F or g955FD (which i believe both the arab emirates and india have) you can flash an indian csc without a problem.
amanjain24 said:
and i use jio 4g now in my dubai s8 its shows 4g when i change ite csc than its show lte or not? Plz help
Click to expand...
Click to collapse
So you just want the symbol in statusbar to say lte instead of 4g? I really wonder why someone would care, but im pretty sure - when rooted - you can change this easily. Don't know if this changes with different CSCs tho.

Thanks
Thanks

Note 10+ n9750 snapdragon tgy

Hello everyone, i hope someone can help.
i just get a NOTE 10+ N9750 SNAPDRAGON TGY. my country is CSC TUN i want to flash the TUN CSC but it Failed.
Please i need to know about this model and about this TGY, why i can't flash it and is there a way the do it without root?
Thanks for any help guys.
Best regards

Iron_UV said:
Hello everyone, i hope someone can help.
i just get a NOTE 10+ N9750 SNAPDRAGON TGY. my country is CSC TUN i want to flash the TUN CSC but it Failed.
Please i need to know about this model and about this TGY, why i can't flash it and is there a way the do it without root?
Thanks for any help guys.
Best regards
Click to expand...
Click to collapse
TGY is Hong kong. You are only allowed to flash TGY or BRI (Taiwan) on N9750.

Only TGY or BRI
west2cool said:
TGY is Hong kong. You are only allowed to flash TGY or BRI (Taiwan) on N9750.
Click to expand...
Click to collapse
Thanks for your reply. is there a way to change those TGY BRI ? My Model will have the Android 10 update? omg i have so many questions ! whats that model, it cant even read the CSC of my operator, and the most crazy is that its working on all operators.
i don t have the call recorder feature.

Iron_UV said:
Thanks for your reply. is there a way to change those TGY BRI ? My Model will have the Android 10 update? omg i have so many questions ! whats that model, it cant even read the CSC of my operator, and the most crazy is that its working on all operators.
i don t have the call recorder feature.
Click to expand...
Click to collapse
I haven't used it, but an app called Samkey apparently will let you change csc without root.....from what i gather, it is Not a free app.....look into it to get more info.
Sent from my God Mode 10+

Hi,
I have a N9750, according to Phone Info App:
Phone Model: SM-N9750 / Galaxy Note10+ (Dual Sim)
Made in Vietnam
Product Code: SM-N9750ZSDBRI
Frimware's CSC Code: TGY
Active CSC Code: BRI
Available CSC Codes: BRI, TGY
So, I understand that I have a BRI phone with a TGY rom and a the CSC active is from BRI.
I will do a clean flash with Odin, since my phone upgraded from Android 9 to 10, by OTA (that is why there is "mixed rom" - a BRI unit with TGY firm)
My doubts are:
1) Should I use BRI rom, is that correct?
2) After doing this flash. is better to change CSC Active to TGY? Using SamKey (someone says that it has more features)
I use the mobile in Argentina.
thanks!

Chimera Tool says it can change CSC on note 20 ultras

So I was searching on google and saw that ChimeraTool has the note20 Ultra on their list now.
Did anyone try ChimeraTool before? Seems like 3 models are posted:
SM-N986N, SM-N986U1, SM-N986U
https://chimeratool.com/

knowledge_6 said:
So I was searching on google and saw that ChimeraTool has the note20 Ultra on their list now.
Did anyone try ChimeraTool before? Seems like 3 models are posted:
SM-N986N, SM-N986U1, SM-N986U
https://chimeratool.com/
Click to expand...
Click to collapse
Cost too much.

west2cool said:
Cost too much.
Click to expand...
Click to collapse
if it does it correctly and cleanly, it might be worth it for some people.
thinking of doing it once I get my device brought over from Korea with the KOO CSC

knowledge_6 said:
if it does it correctly and cleanly, it might be worth it for some people.
thinking of doing it once I get my device brought over from Korea with the KOO CSC
Click to expand...
Click to collapse
If it has KOO already, why would you change it? Do you mind sharing where you purchased it from? Thanks!

Why doesnt dialing the service code to change the csc work on your models?

Feel free to spend 70 euros on it and report back

Have you tried using the Mysterious Dev CSC changer? (Using theme app to change the CSC)
I used that successfully on N9860 to change from TGY to BRI. I'm guessing it should be possible on N986N to get KOO.

knowledge_6 said:
So I was searching on google and saw that ChimeraTool has the note20 Ultra on their list now.
Did anyone try ChimeraTool before? Seems like 3 models are posted:
SM-N986N, SM-N986U1, SM-N986U
https://chimeratool.com/
Click to expand...
Click to collapse
Works only till July security patch. Spoke to them over chat.

androidlover287 said:
Feel free to spend 70 euros on it and report back
Click to expand...
Click to collapse
people just spent over 2000 on this phone... what's another 100? haha

roryh86 said:
If it has KOO already, why would you change it? Do you mind sharing where you purchased it from? Thanks!
Click to expand...
Click to collapse
from the Samsung store downtown Seoul.. My brother is bringing it back to Canada so I want to change it to XAC

Curious if samfirm + odin still works...

roryh86 said:
Have you tried using the Mysterious Dev CSC changer? (Using theme app to change the CSC)
I used that successfully on N9860 to change from TGY to BRI. I'm guessing it should be possible on N986N to get KOO.
Click to expand...
Click to collapse
Can i have the apk link ,ive got note 20 ultra hk version can i change to uk ?

alandd86 said:
Can i have the apk link ,ive got note 20 ultra hk version can i change to uk ?
Click to expand...
Click to collapse
You can only change CSC to one from the same Model phone, for example my N986B Note 20 Ultra was running EVR, which is a UK carrier CSC, and I changed it to BTU which is an unlocked UK CSC
I don't believe the HK model supports any UK CSC

alandd86 said:
Can i have the apk link ,ive got note 20 ultra hk version can i change to uk ?
Click to expand...
Click to collapse
No you cannot. You can only choose between TGY and BRI. Or Chinese CHC. TGY is the best of the three if you don't care about voice recording. TGY also has Smart Call (Spam ID/Hiya). BTU is an Exynos model not Snapdragon.

knowledge_6 said:
from the Samsung store downtown Seoul.. My brother is bringing it back to Canada so I want to change it to XAC
Click to expand...
Click to collapse
I have the Korean version, and same thing looking to change it to XAC or any Canadian CSC, have you found a solution yet? I tried flashing through odin, failed.

*Detection* said:
You can only change CSC to one from the same Model phone, for example my N986B Note 20 Ultra was running EVR, which is a UK carrier CSC, and I changed it to BTU which is an unlocked UK CSC
I don't believe the HK model supports any UK CSC
Click to expand...
Click to collapse
I have a H3G UK note 20 ultra. Can I change it to BTU? or the unlocked CSC. Quite new to this

knowledge_6 said:
So I was searching on google and saw that ChimeraTool has the note20 Ultra on their list now.
Did anyone try ChimeraTool before? Seems like 3 models are posted:
SM-N986N, SM-N986U1, SM-N986U
https://chimeratool.com/
Click to expand...
Click to collapse
Can i ask what csc can change to n986n

just makes the user feel more at home knowing the csc is changed to his home country. usually accomplished while sitting in front of the fireplace while it's snowing

Is there anyone that use that? It's work?

Hello all,
I am new here..
I have SM-N986N, Can i change the CSC to SM-N986B as I am living in India and with this firmware i am unable to make conference calls from my device.
Hope you will reply.
Thanks in advance.

Question S22 Ultra csc change

Hi. I bought my S22 Ultra in Poland, I live in UK. Samsung pay refuse to work as the phone is from Poland.
It is on OXM firmware with EUX CSC.
I want to set the region csc for UK.
I read that Samkey does not support CSC change for S22 Ultra with June patch.
Any other way to do it?

Maybe this
Samsung Pay in german, CSC is EUX fix, 5 minutes
Hello This also works with most Samsung phones If anyone is struggling with Samsung pay being in German and has the csc being EUX, I know how to solve the issue and it only takes about 5 minutes. Basically the csc is set to EUX, which is the new European standard, but for some reason, Samsung...
eu.community.samsung.com

It worked!!! Thanks. That method should be pinned.

WOW THANKS, IT WORKED LIKE A CHARM!
<3 <3 <3
raul6 said:
Maybe this
Samsung Pay in german, CSC is EUX fix, 5 minutes
Hello This also works with most Samsung phones If anyone is struggling with Samsung pay being in German and has the csc being EUX, I know how to solve the issue and it only takes about 5 minutes. Basically the csc is set to EUX, which is the new European standard, but for some reason, Samsung...
eu.community.samsung.com
Click to expand...
Click to collapse

i tried but there is no option in activities
click on activities and scroll down too configuration update com.samsung.android.app.omcagent.test.ui.QATestActivity and open
no scroll down option

Pichulec said:
Hi. I bought my S22 Ultra in Poland, I live in UK. Samsung pay refuse to work as the phone is from Poland.
It is on OXM firmware with EUX CSC.
I want to set the region csc for UK.
I read that Samkey does not support CSC change for S22 Ultra with June patch.
Any other way to do it?
Click to expand...
Click to collapse
Samkey have support, i change csc yesterday, and it work

PeterParker said:
Samkey have support, i change csc yesterday, and it work
Click to expand...
Click to collapse
No point paying for something i can have for free. Also, i dont have any problems with OTA like some people after using SAMKEY

PeterParker said:
Samkey have support, i change csc yesterday, and it work
Click to expand...
Click to collapse
i tried but couldn't change it , how did you do it ?

SamFw Tool 4.7.1 - Remove Samsung FRP one click
Hi Today, we introducing SamFw FRP Tool version 4.7.1 Main function: Remove FRP with one click Change CSC with one click Remove FRP for new se...
samfw.com
Change CSC for free!

I want to change my CSC of S 22 Ultra, i bought from Australia SM-S908EDRFATS to India SM-S908EZKP, i see both are S908E models.
Please guide me thanks in advance

You have all info here:
SD Native call recording & CSC (without rooting)
Hi everyone, Looking for some insight and more educated projections. I'm in Canada, and our phones (SD) typically didn't get native call recording (or any recording allowed as a matter of fact after Pie was rolled out). I had to purchase a...
forum.xda-developers.com

Pichulec said:
No point paying fors something i can have for free. Also, i dont have any problems with OTA like some people after using SAMKEY
Click to expand...
Click to collapse
do you seriously still receive OTA's with changed CSC? that cant be possible..

Neeko72 said:
do you seriously still receive OTA's with changed CSC? that cant be possible..
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Click to collapse
Well. It is possible as I am receiving ota updates. Unfortunately this method no longer works as knox key has been revoked for the Aliance Shield..

amitdon said:
I want to change my CSC of S 22 Ultra, i bought from Australia SM-S908EDRFATS to India SM-S908EZKP, i see both are S908E models.
Please guide me thanks in advance
Click to expand...
Click to collapse
Totally works with suggested samfirm tool 3.31 I'm Australian an changed from XSA to INS I now have call recording faster OTA firmware updates and nothing not working it's a very simple process using that software and costs nothing.

Neeko72 said:
do you seriously still receive OTA's with changed CSC? that cant be possible..
Click to expand...
Click to collapse
Yes I got India update yesterday and my phone is Australian model who always got late updates OTA works perfectly with samfirm tool after csc change I'll prove it Check the photos

Pichulec said:
Well. It is possible as I am receiving ota updates. Unfortunately this method no longer works as knox key has been revoked for the Aliance Shield..
Click to expand...
Click to collapse
There is a fix for that but you have to downgrade to android 12 first them install alliance using their instructions on their discord then you can update to latest firmware and it still works

Hi all. I change my CSC with the help of this video very easy
Change csc