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Samsung Galaxy Note 8 SM-N950F/DS 64gb doesn't receive any updates in UK

Hi All, I really need some help. First post. I bought a Samsung Galaxy Note 8 SM-N950F/DualSim from eBay in mint condition for £285 a few months back. Works perfectly. Waited until end of March but no Android 9 One UI update. Realised I hadn't got ANY updates what so ever since I got it. Contacted Samsung and they say because it is from a different region it can't be updated in the UK. I find this extremely unfair. I use a Blackberry Key2 as my main phone and Note 8 as a second phone which I don't always carry. Use it more to surf and watch videos with once I get home.
I have never rooted or Odined or anything else before so am not too excited about any of that stuff. I just need the simplest tutorial there is to get my phone to update and to continue to update if that is possible. I am currently on Android Oreo 8.0 and security patch August 2018!
Thanks in advance for your help.
P.S I have no idea which region it's from but the serial number is R58J944Z7HT

Bilal81 said:
Hi All, I really need some help. First post. I bought a Samsung Galaxy Note 8 SM-N950F/DualSim from eBay in mint condition for £285 a few months back. Works perfectly. Waited until end of March but no Android 9 One UI update. Realised I hadn't got ANY updates what so ever since I got it. Contacted Samsung and they say because it is from a different region it can't be updated in the UK. I find this extremely unfair. I use a Blackberry Key2 as my main phone and Note 8 as a second phone which I don't always carry. Use it more to surf and watch videos with once I get home.
I have never rooted or Odined or anything else before so am not too excited about any of that stuff. I just need the simplest tutorial there is to get my phone to update and to continue to update if that is possible. I am currently on Android Oreo 8.0 and security patch August 2018!
Thanks in advance for your help.
P.S I have no idea which region it's from but the serial number is R58J944Z7HT
Click to expand...
Click to collapse
Dial *#1234# in phone dialer. Look at the CSC line and look for "OXM" in the line eg. N950F"OXM"5CSA2. If you see that then:
Read page 1:
https://forum.xda-developers.com/galaxy-note-8/how-to/official-stock-firmware-update-odin-t3677072
To find your CSC:
You can go to system settings/ about phone/software information/ service providers SW ver. (Look for something like this example TPA/TPA/XEU , should be last line in that section. Yours might be different but it should be in this format CSC/CSC/CSC .)
2nd spot TPA is the your carrier CSC (set by your sim card.)
3rd Spot XEU is where your phone is from.
So look at the second spot for your CSC code.
So know you have the:
Model of note 8 : SM-N950F or SM-N950F/DS (doesn't matter firmware is for both phones.)
The multi-CSC firmware OXM
And your CSC code.
Now you have 3 choices:
1) Connect phone to PC and use smart switch to update phone (if there is one for your csc). This will keep data intacted!
2) You can use samfirm.exe on PC to download the firmware for your model phone and CSC and use the latest Odin to update.
Use "Home-CSC" file to keep data intacted!
Warning DO NOT use "csc" file this DELETE DATA! (Or you
want to delete data.)
3) Use samfirm.exe to download the firmware for any CSC that's in that multi-CSC OXM that's listed in that thread I posted and latest Odin.
Use "Home-CSC" file to keep data intacted! This will keep
your CSC the same!
Warning DO NOT use "csc" file this DELETE DATA! (Or you
want to delete data.)
Now you might need to Odin everytime the new update or you might be lucky and you'll get the OTA.
I have the N950F in Canada and I get OTA update here, maybe because my 3 csc code is XEU/XEU/XEU(your will be different! )(because the multi-CSC oxm doesn't support my carrier csc so it stays default XEU/XEU/XEU. )
Your case maybe different so I would get used to using Samfirm.exe and Odin to update your phone.
Or you can always wait and see if you get the OTA, your choice!
If you don't have the OXM or do you can go to
https://www.sammobile.com/firmwares/galaxy-note8/SM-N950F/
To look what country the CSC belongs to (CSC in this case is the 3rd spot in this eg. XEU/XEU/XEU)
Eg XEU is UK/Ireland
XSG is United Arab Emirates

Hi,
I had exactly the same issue; bought a Note 8 on ebay last year (also in mint condition) - it's a Dual SIM model also. But mine had not had a security update since March 2018. Like you I contacted Samsung support and was told that there isn't anything they can do. One suggestion was to send the phone to its country of origin so that it can pick up security updates OTA - not really an option for me...
I bit the bullet today and followed the procedure set out by BluePhnx. The whole process took about 1 hour. I was taking my time because I have never attempted anything similar before. Everything worked great and I now have Android Pie with Samsung One UI More importantly the security version is March 2019. All my apps and data are intact and S-Pen continues to work great.
Thanks BluePhnx for the guide.
Best,
TB

Question EUX CSC, HELP!

Hello, just got my S21 Ultra Exynos, and my CSC is EUX, no way to change it in ITV, flashed with odin with or without sim, but nothing. So samsung pay doesn't work, and i can't receive official update. What can i do?

Download Google Phone dialer from Google Play
*#*#27262826#*#* enter code
CSC list will open, Select CSC and install
WILL WIPE DEVICE

Just tried, but it doesn't work...

so, at last you can try to buy credits via ebay SamKEY CSC Change , using samkey.org program

nowy57 said:
so, at last you can try to buy credits via ebay SamKEY CSC Change , using samkey.org program
Click to expand...
Click to collapse
S21 Ultra in not supported

renton82 said:
Just tried, but it doesn't work...
Click to expand...
Click to collapse
Try flashing the first firmware ATLF and it might work, I noticed that I can't do it anymore on my S20 ultra with Januarys CUA update anymore so it might work if you flash back

Darbar1701 said:
Try flashing the first firmware ATLF and it might work, I noticed that I can't do it anymore on my S20 ultra with Januarys CUA update anymore so it might work if you flash back
Click to expand...
Click to collapse
Where i can find atlf firmware?

renton82 said:
Where i can find atlf firmware?
Click to expand...
Click to collapse
On Sam mobile or samfw , let me know how you get on,, look for BTU firmware, I think mine will be EUX too so I hope I does work

i just bought s21 ultra (998b) brand vodafone, i can't debrand it to install thai firmware, i tried flash with Odin with different firmware downloaded but nothing. I also tried to go back with firm vodafone. please help me find a solution

renton82 said:
Hello, just got my S21 Ultra Exynos, and my CSC is EUX, no way to change it in ITV, flashed with odin with or without sim, but nothing. So samsung pay doesn't work, and i can't receive official update. What can i do?
Click to expand...
Click to collapse
Did you by any chance set it up without a sim in - I did that with my s20 ultra and it went to EUX no matter how hard I tried factory reset with sim in I couldn’t get it to go to BTU
I ended up sending it back to Samsung as they said EUX gets updates but it doesn’t
try a factory reset with a uk sim in fingers crossed it trips theBTU but I think the only thing is to return it to Samsung and swap it

I'm also in this position! Received s21 ultra from Samsung UK, in the UK, UK sim but stuck with eux csc. Unable to change no matter what I've tried including factory reset. Unable to use samsing pay and no access to UK updates. Anyone have any solutions other than returning the phone? Also what would be the best way to get samsungs attention regarding this?

Did you set your phone up with a uk sim ? It’s a massive issue if it’s doing it with a uk sim
Only way is to email them as even though the phone is multi csc once it’s ok EUX you can’t access any of the others
just Out of curiosity which sim did you use

There is a thread on Samsung support
No Samsung Pay, no updates, stuck with EUX European CSC
I just received my S21 Ultra today and found that Samsung Pay displayed messages in German and would not work. Upon investigation it appears to be locked on the EUX CSC instead of BTU and as a result I also don't receive firmware updates. Reading around, it appears Italy had a similar issue...
eu.community.samsung.com

I found the following solution on samsung support
Turn off WiFi.
Remove SIM.
Power Off (not reboot).
Insert SIM.
Power On.
Enter Pin Code
It worked for me, so relieved

A new software update has been released yesterday and fixes this. You should receive it on your phones automatically, or check for the update.

It won’t update if not on BTU surely I am on XEU and it says no update available I am well and truly miffed now

I am returning the handset I am not paying over £1300 for a handset which is not fit for purpose I am so angry

mancuk010972 said:
I am returning the handset I am not paying over £1300 for a handset which is not fit for purpose I am so angry
Click to expand...
Click to collapse
I had the same issue (stuck on EUX on a Dec patch) booked a return and reset phone. Read this thread. Turned it back on, put a SIM card in and 900MB odd update was available with a Jan security patch. Will try it again now for a day, else this is going back.

Is this happening because you have to setup your phone on WiFi with the aim inserted or is it doing it anyway?

vnenwani said:
I had the same issue (stuck on EUX on a Dec patch) booked a return and reset phone. Read this thread. Turned it back on, put a SIM card in and 900MB odd update was available with a Jan security patch. Will try it again now for a day, else this is going back.
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Weird. I've also tried that too but it doesn't work. It's like the Carrier update isn't being triggered?

Question Change CSC S21 ultra

Hello any solution to change csc on s21 ultra? Samkey not work

it seems there is no way curently

I did this method and it worked https://androidmore.com/change-csc-samsung/
I have a s21 ultra exynos , and a unlock phone , global version
I installed the AUT update via odin and the csc was TPA , so i did the method on the link to change to AUT and it worked but it deleted everything

but what about Carrier blotware?

Jpablo67 said:
I did this method and it worked https://androidmore.com/change-csc-samsung/
I have a s21 ultra exynos , and a unlock phone , global version
I installed the AUT update via odin and the csc was TPA , so i did the method on the link to change to AUT and it worked but it deleted everything
Click to expand...
Click to collapse
Hmmm, it says invalid MMI code whenever I try it.

Jpablo67 said:
I did this method and it worked https://androidmore.com/change-csc-samsung/
I have a s21 ultra exynos , and a unlock phone , global version
I installed the AUT update via odin and the csc was TPA , so i did the method on the link to change to AUT and it worked but it deleted everything
Click to expand...
Click to collapse
Which step on the link did you exactly do? There are many options.

Any update on this? I have S21 Ultra with TPA and I want to change the CSC to BTU. I am in Canada and I hope this will help with faster updates. Also I am having problems with slow 4G uploads, and faster updates might be the solution.
Thank you..

elena11 said:
Any update on this? I have S21 Ultra with TPA and I want to change the CSC to BTU. I am in Canada and I hope this will help with faster updates. Also I am having problems with slow 4G uploads, and faster updates might be the solution.
Thank you..
Click to expand...
Click to collapse
If your device is SD then you won't be able to get BTU.
If it is exynos then you can flash the BTU firmware.
Your 4g speeds may be slow if you do not have the correct csc files for your provider. Eg: having BTU for Rogers may not get your the speeds you are looking for.

Techvir said:
If your device is SD then you won't be able to get BTU.
If it is exynos then you can flash the BTU firmware.
Your 4g speeds may be slow if you do not have the correct csc files for your provider. Eg: having BTU for Rogers may not get your the speeds you are looking for.
Click to expand...
Click to collapse
I have Exynos device. If I do Canadian CSC on Exynos S21 Ultra, will I have better 4G in Canada?
Thank you.

@carlitobahsoun
March Update is out for S21 Ultra xid CSC . So if I want call recording I just have to flash xid home_csc right?

iamnotkurtcobain said:
@carlitobahsoun
March Update is out for S21 Ultra xid CSC . So if I want call recording I just have to flash xid home_csc right?
Click to expand...
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yup , i only flashed home csc , no wipe sure , other poeple on Russian forum flashed full 4 files / for me from first open box was downloaded xid full firmware and once get my s21 ultra i flashed only home csc .
i got march patch now ota and will install now
my out of box csc was MID/MID/MID/XSG
now its XID/XID/XID/XSG
and OTA received well
**in case AFTER FLASH AND REBOOT a pop up appear asking u keep curent or back to sim card detected : SELECT KEEP CURENT.

@carlitobahsoun
Is there another way than samkey to change my DBT CSC to ATO? voLTE isn't working with my simcard if I don't have ATO as CSC :/

iamnotkurtcobain said:
@carlitobahsoun
Is there another way than samkey to change my DBT CSC to ATO? voLTE isn't working with my simcard if I don't have ATO as CSC :/
Click to expand...
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till now , only samkey .....
i dont have volte in my country , no 5g in my country , no google pay in my country , no samsung pay in my country , no PayPal in my country , no paid app or watchface appears in galaxy store in my country , bad bad bad .

I used the link in this tread and I selected BTU, but I did not pay attention that it was mentioned that is Single. Now I have BTU, but I have some problems receiving SMS and I cannot go back to TPA. When I try *#272* IMEI# it does not do anything. Any idea what I have to do to go back to Dual SIM?

elena11 said:
I have Exynos device. If I do Canadian CSC on Exynos S21 Ultra, will I have better 4G in Canada?
Thank you.
Click to expand...
Click to collapse
You will not be able flash Canadian CSC on an exynos device.
First you have to root the device and Either you or some else will have to edit the canadian csc file to make it compatible wtih exynos.
Some one has done for me in the past with note 8 but that dev is no longer in XDA.
The other option is to root and then copy the required csc files.
With this there is a high chance that the imeir related files can get corrupted.

elena11 said:
I used the link in this tread and I selected BTU, but I did not pay attention that it was mentioned that is Single. Now I have BTU, but I have some problems receiving SMS and I cannot go back to TPA. When I try *#272* IMEI# it does not do anything. Any idea what I have to do to go back to Dual SIM?
Click to expand...
Click to collapse
You can flash any other file with multicsc.
There is no reason for you not recieve sms with BTU csc. However, if it does happen fhe csc firmware that is the original one. i.e look at the third tri letter in the csc info.(this third letter never changes , more like hard coded)

I do get SMSs but, I was not able to get one from my bank. The 3rd 3 letters are still TPA. I do not know if it is normal, but the dual sim menu has much fewer options. I can choose from what sim to call only after I dial at least one digit. And When I try to activate Dual sim always on, the toggle still stays off.
For the Canadian CSC, I suspected that it will be impossible to flash. I used to be on TPA and now I am on BTU, I had problems slow upload speed on 4G. Now is a bit better, but the download is staying around 50-75. before I had 160-300 Mbps.
Where I can get Multicsc and do I have to root the phone?
Thank you.

elena11 said:
I do get SMSs but, I was not able to get one from my bank. The 3rd 3 letters are still TPA. I do not know if it is normal, but the dual sim menu has much fewer options. I can choose from what sim to call only after I dial at least one digit. And When I try to activate Dual sim always on, the toggle still stays off.
For the Canadian CSC, I suspected that it will be impossible to flash. I used to be on TPA and now I am on BTU, I had problems slow upload speed on 4G. Now is a bit better, but the download is staying around 50-75. before I had 160-300 Mbps.
Where I can get Multicsc and do I have to root the phone?
Thank you.
Click to expand...
Click to collapse
Rooting won't help you much with signal or speed of data, unless you have to flash some modified csc files.
Your problem could also be the absence of the required bands,whuch may be lacking in exynos.
I have a SD version ( decided to go wtih non root this time as most of the things that need root can be done with adb anyways. Also there is root for SD too these days) so cannot help you much.

Techvir said:
Rooting won't help you much with signal or speed of data, unless you have to flash some modified csc files.
Your problem could also be the absence of the required bands,whuch may be lacking in exynos.
I have a SD version ( decided to go wtih non root this time as most of the things that need root can be done with adb anyways. Also there is root for SD too these days) so cannot help you much.
Click to expand...
Click to collapse
I am missing only one band, and this is not a problem. B29 in LTE. Al the rest are there. My question was more like is it normally to loose t some fucntciuts of Dual sim manager and and is there an easy way to change back and forth CSC without rooting. I do not want to root. Thank. you

elena11 said:
I am missing only one band, and this is not a problem. B29 in LTE. Al the rest are there. My question was more like is it normally to loose t some fucntciuts of Dual sim manager and and is there an easy way to change back and forth CSC without rooting. I do not want to root. Thank. you
Click to expand...
Click to collapse
Chainging csc is easy by flashing the CSC file. Rooting won't affect it. Rooting has its downsides.
Your loss of dual sim fn could be related to csc but BTU should support full dual sim fn.

Question CSC Stuck on BGL not BTU as expected.

Preface: Bought my S21 Ultra from an eBay seller with the assumption it would be UK based as it came from within the UK. However, it might be from Bulgaria as per the CSC code being set to BGL. At the moment this hasn't resulted in any major errors sans one.
I am unable to use Samsung Pay as I'm assuming the apps things it's a Bulgarian phone and as a result doesn't support Samsung Pay.
What's the best way for me to go about changing the CSC to BTU? I've already attempted this once by flashing an OXM build via Odin but this didn't change it as I expected it to.
Thoughts or suggestions very welcome!

I suggest trying to flash a BTU or OXA firmware as they are UK CSCs.
Also, try flashing firmware that's aligned to your network provider. This method worked for my Note 8 and I was able to enable the VolTE and other functionalities.

mattyc491 said:
Preface: Bought my S21 Ultra from an eBay seller with the assumption it would be UK based as it came from within the UK. However, it might be from Bulgaria as per the CSC code being set to BGL. At the moment this hasn't resulted in any major errors sans one.
I am unable to use Samsung Pay as I'm assuming the apps things it's a Bulgarian phone and as a result doesn't support Samsung Pay.
What's the best way for me to go about changing the CSC to BTU? I've already attempted this once by flashing an OXM build via Odin but this didn't change it as I expected it to.
Thoughts or suggestions very welcome!
Click to expand...
Click to collapse
flashing BTU rom won't chnage your CSC. you have to use SAMKEY app. search for it in google and learn how to use it . there are couple of threads here in xda.
Good Luck!

Some questions regarding csc

So, I've been researching about the subject, specifically for the s20 fe 4g snapdragon (G780G), but the there's information all over the place.
I've got a ZTO phone, unbranded, and I wanted to change it to BTB, since it's been kind of a joke that until now it didn't got the oneui 5.0 update, meanwhile some are getting january security patch.
So I wanted to switch my csc to get OTA from a region which gets faster updates, while not unlocking the bootloader.
The thing is, both are in different multi csc, OWO and OMX respectively. So dial pad method doesn't work.
I've checked samkey website, but they don't support South American phones, in other words, mine.
So through research, I didn't found a conclusion, so I'm asking here if someone ever tried.
Does full firmware install, in my case BTB files, using home csc file, which I'm aware will wipe the phone, will change the csc and enable ota updates? Or is the s20 fe one of those models which this method doesn't work anymore?
Any insight on the subject is welcome, so thank you for reading till here.

Yes, it will work. I also got a ZTO phone, which I've changed to Russia's CSC, and everything worked fine. But if you're trying to update to OneUI 5, you can download the firmware from the TPA csc, which is multi region (OWO), so your phone will be in OneUI 5 but will be recognized under the ZTO csc, with future OTA updates already enabled.

I actually went through it before yesterday. I guess I'll leave my experience just in case someone ends in this thread looking for something similar.
As a tldr, it indeed worked, as mateushonorato, which I thank for taking the time to share his experience, shared.
In my experience, I wanted to keep OTA working, so I went with the 1st firmware available of the region I wanted to flash, G780GXXU3DVK5 was the PDA, and the BTU was the CSC.
I ended up using Samfw site and tools for everything.
So since I wanted to change my multi region, it ended wiping the data as expected. But the moment the rom patching process ended, I saw that something was weird, cause it I was greeted by cyrillic text. I went through the initial process and indeed confirmed patching did change my muilti region for OWO to OMX. But I wasn't in BTU, but on SEK. Just to be 100% sure, I enabled dev tools and checked through sawfw tool my CSC list, and it was indeed OXM.
Afterwards I checked OTA to see if it was working, and it immediately caught that it had an update avaliable.
Being Honest, I could've finished here, but having came this far, I wouldn't settle on compromise. So I just, once again, used samfw tool to change my CSC to BTU, and I did a factory reset using the automation through the tool.
After the process got done, I got it to BTU. I've seen people having problems with getting the right CSC in those cases, but my was on the first try.
After that the usual, set up the phone, and check for OTA, which was working, and just to be sure, I went through both updates, G780GXXS3DVL1 and the current G780GXXS3DWA3.
So far, seems everything is working as it should, on the CSC tab it still mentions ZTO, but I think it's supposed to be this way, I'm not entirely sure tbh. I was with the impression my phone wasn't fast charging at first, but after looking into the system and it says it was fast charging, and looking at my brother's s20fe exynos model, they are both charging on the same speed, even after interchanging the chargers, I think it was prolly just my impression.
Anyway, I hope that this is of some help to anyone in looking, for whichever reason, into CSC change while maintain OTA updates. Just always keep in mind this was my own experience, using a G780G model phone.