Samkey clarification android 11 TMO device? - Samsung Galaxy Note 20 Ultra Questions & Answers

Just chiming in for clarification, Samkey no longer works to change csc from TMB to XAA on TMobile note 20 ultra devices right ?

{Mod edit: Quoted post deleted}
Much appreciated.

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Help with flashing SM-G970U to Android 10

Hello All!
I'm looking into flashing my S10e (SM-G970U) to Android 10 as I'm still on 9. It's an ATT branded but is SIM unlocked. I've downloaded firmware from Frija, CSC code USC, even though mine is SGB.
Will this work/possible? If you need more information, let me know and I'll try to provide it!!
Thanks in advance!!

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!
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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 How to change CSC?

Hi guys, hope everything is going well, I pu chased a Galaxy Z Flip3 model SM-F711B, and then CSC code is TPA, wich is Panama code, I'm from Colombia and it is working perfectly so far, but I just want to change the CSC code to the Colombia one wich is COO, I have tried downloading the last software with the CSC from Colombia and flashed with ODIN, bu the CSC still remains as TPA, anyone know how to change it.
Also in January I will be moving to the US, and I'm wondering if I should leave the TPA one or try to change it to another one.
Thanks
use samkey
Abaddon said:
use samkey
Click to expand...
Click to collapse
Thank you very much, it works perfect, even being on Android 12 already, and also it enable my eSim.
How many credits did you use? glad it worked for you
Abaddon said:
How many credits did you use? glad it worked for you
Click to expand...
Click to collapse
I just needed 1 credit to perform the CSC change
Carva1992 said:
Thank you very much, it works perfect, even being on Android 12 already, and also it enable my eSim.
Click to expand...
Click to collapse
Hi @Carva1992 , I'm in Colombia and the eSIM disabled, could you please guide me to enable the eSIM, Android 12, model SM-F711B, thanks in advance
Abaddon said:
use samkey
Click to expand...
Click to collapse
hi, could you please guide me to use it? i need to change CSC

Where can I buy samkey credits.

Does anyone have a link for samkey credits to change my csc on the Note 20 Ultra? (UK links if possible)
Could I also know how to use it if I get it?

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..
Click to expand...
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

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