On older Samsung Galaxy devices released before 2016, the firmware used to have just one file with .tar.md5 extension. Though Odin3 v3.07 and lower versions had Bootloader, PDA, Phone, CSC, and Phone fields, we needed to flash single-file firmware by adding it to the PDA sections only. Later, Samsung split its firmware files into 4 binaries, and thus BL, AP, CP, and CSC were introduced with Odin v3.09. Now, there are 2 types of CSC files in the firmware folder: CSC and HOME CSC. What’s the difference between these 2 files and which CSC binary should you flash in Odin- CSC or HOME CSC? Find the detailed explanation below.
Update: For the sake of convenience, we’ve split this article into 3 parts. If you’re looking for a list of Samsung CSC codes or working methods to change your device CSC, head over to the following posts.
If you are an old Samsung device user, you probably don’t need a tutorial to understand the difference between CSC and HOME CSC. However, these two CSC files inside the firmware folder may cause a lot of confusion for the new user.
What is Samsung CSC?
Before we explore the difference between CSC and HOME CSC, let’s find out what CSC is. CSC or Country/Carrier Specific Code or Consumer Software Customization is an important component of Samsung firmware binaries. The Samsung CSC file contains essential information such as-
- Carrier branding: A CSC may be country or carrier-specific. Samsung releases the same model of a smartphone to Tab with different CSCs. For instance, if you use an unlocked or unbranded Samsung Galaxy phone in the UK, its CSC would be BTU. However, if your device is locked to a network operator, it could be VOD (Vodafone), TMU (T-Mobile), ORA (Orange), XEU (EE & Three), etc.
- System Languages: These include the availability of the popular languages used in a geographical area. For example, if you own a Samsung phone in Mexico and flash the firmware meant for India with INS as CSC, you might not be able to set Spanish, Nahuatl, or Mixtec as your phone’s system language and keyboard.
- Localizations: Samsung ships its devices with geo-specific or bloat apps relevant to a country or region. Localization also determines the calendar settings and local festivals.
- APN Settings: Access Point Name settings include all configurations to make a mobile device work with the network carriers of a region or country. Without these configurations, you may not be able to enjoy seamless GSM, GPRS, 3G, 4G, or 5G mobile networks.
- Samsung FUS: CSC also contains key info to help Samsung’s Firmware Update Server to connect to the correct update channel and roll out the proper software update to your Galaxy device via OTA.
CSC vs HOME CSC – The Difference
CSC and Home CSC binaries in Samsung S23 Ultra firmware
When you extract the Samsung firmware zip file, you’ll find 5 binaries inside it. You can use the Frija Samsung firmware download tool or other sources to download BL, AP, CP and CSC files for Odin.
It’s very easy to add the corresponding firmware binaries to respective fields in Odin. You may get confused about whether you should flash CSC or HOME CSC in Odin. Here’s how these two CSC files differ from each other. Once you understand the purpose of CSC and HOME CSC, you’ll have no confusion.
CSC
If you want Odin to wipe all third-party apps, data, and settings and perform a factory reset while installing the firmware, you should add the CSC binary to Odin. When your Samsung phone or Galaxy Tab boots up, your device will be in the same state (on the software level) as it was when you purchased it. You’ll have to set up your device and log into your Samsung and Google accounts again. The image, video, audio, and all other files present on the internal storage will be deleted. Flashing the CSC binary will result in a clean installation. If you feel that your phone is slow and experience any lag or misbehavior, wiping the phone might help fix those issues.
HOME CSC
If your purpose is to just re-install the firmware or update your Samsung device’s software without wiping your apps, all user data, and settings, you should go with the HOME CSC binary. Choosing this file will only affect the software version of your phone while keeping everything intact.
Now, that you understand the difference between the CSC and Home CSC binaries, you can easily flash Samsung firmware on your phone using Odin.
Read Next: List of Samsung Secret Codes
Thanks for all these information. Unfortunately, none of both methods you describe in order to change CSC work on my phone (Galaxy S9 SM-G960U_OYN_ATT):
– *#272etc doesn’t produce any results;
– Frija nor Samfirm can find any firmware with SM-G960U XAS, ATT, OYN, XEF nor OXA (I live in France actually and I’m trying to clean my phone, apparently coming from the US, from all AT&T crap).
Can you help me?
Hi Marc,
AT&T and Verizon models come with locked bootloaders and therefore you won’t be able to change the CSC. Please note that you won’t be able to flash any other firmware other than the same CSC as the current one. That’s why VZW and AT&T suck.
Frija is not able to download the firmware for SM-G960U (ATT) because the network provider has blocked it.
As for getting rid of the AT&T garbage on your Galaxy S9, it’s possible. Follow, my tutorial to uninstall the system apps or AT&T bloatware on your device: https://technastic.com/remove-samsung-bloatware-safe-to-remove-apps/
Thank you very much for your help. Take care
Rakesh, These tutorial write-ups are better (more complete and well-written) than most others that I have seen anywhere. Congratulations for your attention to detail!
I have both a question and a comment regarding the “older Samsung Galaxy devices” that you mention at the top of this article. Specifically, I have a Galaxy S5 (SM-G900T) (CSC=TMB) on Android 6.0.1, the firmware version last-released by Samsung and T-Mobile (G900TUVU1GQC2) ~April 2017. My (still beautiful) phone is one of the pre-2016 Samsung dinosaur types whose firmware is packaged as a single *.tar.md5 tarball file rather than as the four tarball files into which newer-device firmware is split.
Here is my problem. Although you kindly suggest that users of older phones may not need your excellent explanation of “CSC” vs “HOME_CSC”, just the opposite is true. Why? Because “CSC” vs “HOME_CSC” is buried in the single tarball firmware file of older phones and thus we older users never had a choice to worry about. Or, probably better said that we never had a choice whether or not to “dirty flash.”
Fortunately I rarely need to reflash firmware and thus forget the basics after a couple of years, until a problem occurs and then I must go through the dreaded nightmare of starting with a new /data partition, re-rooting, re-installing the apps that require root to lock down my phone, reconfiguring, etc.
But what I cannot remember is whether my /data partition was in the past lost due to factory resetting before flashing to stock with Odin or was caused simply by flashing the single-tarball firmware due to that firmware having a “CSC” rather than a “HOME_CSC”. The full file name of the stock firmware download is *_HOME.tar.md5.zip. Unzipped, it is *_HOME.tar.md5.
And, maybe I am answering my own question, but just a comment about a statement on your companion article “CSC or HOME_CSC, Which File Should You Flash in Odin.” You said “An Android smartphone relies on components like bootloader, data, vendor, key storage, EFS, user data, system, modem, kernel, and recovery. All Android firmware contain these elements as .img inside them. Samsung firmware files keep them packed with specific encryption that can be decrypted by official flash tools like Odin before installation.” However, I was able to unpack the *_HOME.tar.md5 tarball using 7-Zip, and found the 11 binaries that make up the stock firmware. (aboot.mbn; boot.img; cache.img.ext4; modem.bin; NON-HLOS.bin; recovery.img; rpm.mbn; sbl1.mbn; sdi.mbn, system.img.ext4; and tz.mbn. Thus, given that no data.img or userdata.img, etc. exists, it must be that flashing the stock firmware without first factory resetting is actually a “dirty flash” and that my data partition will survive.
But please let me know if you disagree or have any other suggestions. Also, you may want to consider revising the mentioned companion article to eliminate references to Odin’s decrypting the .tar files as it appears that these are not encrypted, at least on the old Galaxy S5/Android 6.0.1 firmware. It appears that Odin simply extracts the binaries from either one tarball (old-style) or four tarballs (new-style). Either way, Odin knows what partitions to place the binaries into. My problem is that I don’t know how to divide these 11 binaries into four tarballs in order to make Odin work like it does for newer phones. The more that I think about it the more convinced I am that the “CSC” vs “HOME_CSC” is a switch to (1) either flash the modem/radio files (“CSC”) or not (“HOME_CSC”) and (2) do a factory reset (wipe /data) or not.
Many thanks for your work!
Hi Bruce, you have written almost an article as a comment! LOL
Anyway, I owned a Galaxy S5 back in 2016 and still remember the feel of the dotted back panel. The very reason I mentioned that “the users of older phones may not need the explanation of “CSC” vs “HOME_CSC” binaries was due to the fact that older firmware contained all components inside a single tar(md5) file and most users don’t need to extract them. As for the factor that determines whether an older Samsung phone will be wiped after flash or not depended on whether you choose a firmware with a different CSC or not. Since yours is a TMO variant, it’s carrier locked and therefore you can’t flash a firmware with a different CSC. To have a clean flash, we always recommended (on my old website ‘droidviews.com’ which has been stolen from me by a scammer named Eric Porat from Brooklyn 10 months ago) performing a data factory reset.
I have always owned an unlocked Galaxy phone with INS or INS CSC. Whenever I flash the firmware with a different CSC other than what I was supposed to install, my phone was wiped automatically.
Coming to firmware encryption, Samsung switched to LZ4 encryption and it can be decrypted by Odin v3.13.1 and above only. MD5 is only there to ensure the integrity of the firmware and you can flash the firmware even after manually removing it.
As for flashing old firmware in the “new style”, you can’t do that because of the change in firmware structure and lack of support on the part of the old phones itself.
I hope I was able to clear your doubts. Please let me know if you need any other help. Thanks for your encouraging appreciation, Bruce!
Yes, very clear Rakesh. Thanks again and keep up the good work!
You’re always welcome!
I think the confusion here is that you call LZ4 encryption. It’s compression. So there’s no decryption, only uncompressing. There’s no key necessary for uncompressing but there is for decrypting.
Can you please elaborate?
Is it possible to flash a A520W with the A520F firmware? The 520w doesn’t have Portuguese language pack. Even if I add it later in settings, not everything gets translated. The 520w has a multi CSC from Canada region, I did the *#272* procedure and changed from Virgin Mobile to Unbranded (XAC) but I need to use the ZTO csc, is it possible?
Hi Rodrigo, if your phone is not SIM-locked, you can switch to a different CSC. However, I won’t recommend you to flash an A520W with the A520F firmware. You can try flashing only the CSC binary from A520F.
Hi Rakesh,
thank you so much for the detailed explanation.
i stopped flashing ROMs since the note 3 🙂 but now i think i might need to do it.
i tried the code of *#272* IMEI# to change CSC but not working.
my device is note 9 with CSC XXV (vietnam), i want to change to KSA.
question, if i will flash using file: HOME_CSC_*** for the latest version of KSA, will this change CSC? or i need to flash file: CSC_*** and wipe all data?
thank you again
Hi Rahman, I would suggest you download the full KSA firmware and flash it. It always a good thing to wipe data if you flash the firmware with a different CSC. Which Samsung device do you have?
Samsung Firmware download link: https://technastic.com/bl-ap-cp-csc-samsung-firmware-download/
thank you Rakesh.
i have 2 devices both Galaxy Note 9. “N960F”
first one was bought from KSA and it works fine but the camera got broken so i bought a new one.
i bought second one new from UAE and after using it found some differences in software – like:option of find my mobile not available in the settings menu, calendar vietnamese built to device and cannot be deleted, some samsung apps has notices all in vietnamese.
other than that, software works fine. it has bonus call recording which i dont have in the KSA version 🙂 but not huge deal for me anyway.
the CSC in the device is OXM-XXV , which suppose to be multi CSC, but since i cannot use the code *#272* , i decided to flash new software.
in the service provider ver showing: XXV/KSA,KSA/XXV , since both my sim card are KSA
i downloaded from frija the latest KSA firmware, found the CSC file name: HOME_CSC_OMC_OXM_N960FOXM6FTJ2_CL19869079_QB34916813_REV00_user_low_ship.tar
but not sure if it will change my device to KSA since the name suggest OXM also.
i dont want to wipe everything for nothing 🙂
thank you
one more thing, any idea why the dialer code *#272* not working despite my device is unlocked and both SIM working with no issue?
Hi again, sounds weird!
Please note that you have to dial *#272*IMEI_Number#. This code works on all Samsung devices. It works on my Note 20, Galaxy S8, and a borrowed Note 9 too (just tested). You have to type *#272* followed by the full IMEI number and ‘#’ to make it work.
https://technastic.com/wp-content/uploads/2020/04/samsuung-dialer-code.jpg
Since your phone has a Multi-CSC, you should be able to switch to KSA without flashing another firmware.
Hi Rakesh,
final Update,
unfortunately, i could not run the code *#272*IMEA# successfully in both my galaxy note 9 devices, no idea why.
i flashed a new ROm for KSA using CSC file and wiped all data, strangely nothing changed and still in XXV. only good thing i got the “find my mobile” option back.
i tried this method as well from XDA , https://forum.xda-developers.com/galaxy-note-20-ultra/how-to/how-changed-csc-exynos-variant-t4163629 .. but not working for me as well 🙁 🙁
i fed up and will live with it.
thanks anyway for the help and great content..
cheers!
Hello, I have Note 20 Ultra Korean model N986N with KOO CSC. I can change CSC through the dialer (select between Korean CSC only), however, non of the options allowed me to use VOLTE and Wifi calling with my current provider in Canada. I know you don’t recommend flashing a different region CSC, but what is the downside of that? and how to do it anyway?
I tried flashing Canadian unbranded N986W firmware and XAC CSC (not home CSC) through patched Odin 3.14.1 (with enabled USB debugging), however, it fails each time :
[ Odin engine v(ID:3.1401)..
File analysis..
Total Binary size: 9495 M
SetupConnection..
Initialzation..
Set PIT file..
DO NOT TURN OFF TARGET!!
Re-Partition operation failed.
All threads completed. (succeed 0 / failed 1)]
Am I doing something wrong? or is it failing because the firmware is for a different country/region?
I do have an option in the developers menu [OEM unlocking] that is disabled, does this have to do with anything? I do not want to root.
Would appreciate your insight on this!
Hi Tored, the firmware flashing fails for you because Korean models of Samsung phones have a locked bootloader. If you want to change your CSC from Korean KOO to a different region CSC, you do that only by flashing a combination firmware using Odin and RealTerm. You can google to get the combination firmware for Galaxy Note 20 Ultra.
Refer to this guide for help: https://forum.xda-developers.com/galaxy-note-9/how-to/guide-change-note-9-csc-easy-guide-t3879473
Samsung Firmware download link: https://technastic.com/bl-ap-cp-csc-samsung-firmware-download/
RealTerm: https://sourceforge.net/projects/realterm/
New CSC firmware: https://technastic.com/bl-ap-cp-csc-samsung-firmware-download/
Odin: https://technastic.com/odin-download-samsung-latest-all-versions/
If you find this complicated, you should visit a Samsung Service center and request the guys there to change the CSC for you using their advanced tools.
Thanks for the reply.
The combination firmware does it have to be for the current region/model Korean or for the desired CSC Canadian?
Do you you know where can I find it? I looked and couldn’t find it anywhere.
No, the combination file has no CSC. It’s a compilation of just s few components of the firmware.
Check this guide to learn how you can cook it: https://technastic.com/remove-frp-samsung-combination-file/
You can request the guys here to share the combination firmware for your device model.
https://shell.boxwares.com/
Thanks again, I downloaded the firmware, will try to cook my own combination firmware. Do you know if the numbers/codes used in RealTerm in the XDA post (for the Galaxy Note 9) are exactly the same for the Note 20 Ultra?
Hi, yes, the rules to use the RealTerm tool are the same. I just hope it works for you. 🙂
So long night, stuck at an unexpected step. When I extracted the AP and BL folders, can’t find system.img.lz4 and sboot.bin.lz4. Here is what I have:
This is AP folder (boot.img, dqmdbg.img, dtbo.img, metadata.img, misc.bin, persist.img, recovery.img, super.img, userdata.img, vbmeta.img, vbmeta_samsung.img)
BL folder many files but these are the ones with bin (dspso.bin, non-hlos.bin, spunvm.bin)
??
Hi Rakesh
I live in South Africa and I own an A71 that I bought from Vodacom. Its CSC code is XFV. The problem I have is that Vodacom always pushes out updates really late and sometimes its annoying as I love to be on the bleeding edge. Is it possible for me to switch to the firmware with the XFA CSC which receives updates earlier? It would be really appreciated if you would help and maybe even give instructions.
Thank you
Hi Aaron, as long as your Galaxy A71 is not SIM-locked to Vodacom, you can change its CSC to XFA from XFV.
Thanks for actually replying. So I can just flash all 4 of the files in the firmware. Also must I flash CSC or Home CSC
Flash the CSC file. It will wipe all data.
Thank you very much. I’m going to try it out
Your article is spectacular, with great detail and ease.
I am using an unlocked Samsung Galaxy with multi CSC, in the USA on ATT. My settings are: ATT/ATT/XAA.
I have the choice of downloading the ATT firmware or XAA (unbranded). Does it matter which firmware I use? Will the ATT firmware give me more features if I am using ATT anyway? Are there different frequency bands between ATT and XAA? Is there a compatible CSC/firmware that will unlock call recording? I am assuming that I will need to flash the CSC, not HOME_CSC, if I switch based on your directions?
Hi Gary, I don’t think that using the AT&T firmware will give you more features except for a few bloatware.
https://technastic.com/remove-samsung-bloatware-safe-to-remove-apps/
Since your phone is unbranded, you should be able to flash any firmware. As for call recording support, I would suggest the Asian firmware with OXM CSC. Of course, you need to flash the CSC binary, not the Home_CSC.
One more thing, in case you notice any network-related issue after flashing the new firmware, you’ll have to be ready to switch back to the stock XAA firmware.
Hey, thank you very much for this in depth article 🙂
I bought a Galaxy S10e in Germany where I live but couldnt use Samung Pay here which was launched not long ago. I found out that it is because my phone has portuegese CSC (TPH/DBT,TPH/TPH). The first method didnt work somehow, but if I did the second method by downloading my current firmware with DBT using friya and flash all the parts with odin I could change my csc to DBT?
Hi Burak, flashing the DBT firmware manually will change the CSC for sure.
Hi, I have Samsung GALAXY S7 EDGE locked to Region: Israel and Carrier is: “OPEN”, but my SIM won’t work. I live in in Portugal and my carrier is MEO. Can I change the CSC to TPH ( for PORTUGAL) and will work my SIM card?
Hi Francisco, if your phone isn’t locked to a network operator. MEO is a Portuguese CSC so it’s not locked to Israel. You can try flashing the TPH firmware to make the SIM work. However, before you try that, you should try changing the network band.
Download this app: https://play.google.com/store/apps/details?id=com.ray.samsungbandselection
Launch the app, tap on the Hamburger icon and then Band selection, and try selecting a different network band. It should fix the SIM issue.
Sincerly “Thank you”
Hey there, Asphere here.
I flashed XXV (Vietnam) firmware on my Galaxy A51 (where it was bought from Indonesia, their CSC is XID), which has Android 11 and One UI 3.0 skin.
However, since I do plan on flashing the official XID firmware back as soon as the official Android 11 update starts to roll out in that region, should I re-use HOME_CSC or do the complete factory reset using CSC file? (I flashed it using HOME_CSC when updating to Android 11 via XXV firmware since I wanted to retain my user data)
The only problem I’m facing so far: RAM limitations (my phone has 8GB RAM, while Vietnam only offers 6GB RAM variant which resulted in that limitation, causing to lose out in maxing out your RAM)
Thank you!
Hi, you should flash the CSC file for a clean and fresh installation.
Hi Rakesh,
I have a Samsung Galaxy Note 10+, SM-N975F, international model with dual sim that originally came with CSC code: TPA (Panama), currently running stock Android 11 with February 2021 security patch. After dialing *#1234#, my CSC shows as: N975FOXM6ETLL. Is it possible for to change my current region, which is TPA to XSG (UAE) or INS (India)?
Hi Vishal, ‘OXM’ means that your Note 10 Plus has an Open CSC, and therefore, you can change the CSC.
Hi Rakesh, thanks for your prompt reply. So, I’m not sure if my phone’s bootloader is locked or unlocked as per above info. Therefore, if I do change from TPA to XSG or INS, will my phone’s original csc change as well from TPA/TPA,TPA/TPA to INS/INS,INS/INS? Also, if I am flashing stock rom (One UI 3.1) with bootloader version 6, this won’t trip the knox counter correct? Which region would you honestly recommended for fastest updates?
Hi Rakesh, one more question, can I use Home CSC to leave my data intact or do I need to use CSC only for a clean install?
Hi Rakesh, guess what, I tried to flash SM-N975F with stock rom, XSG firmware (N975FXXS6EUB2). The flash went through fine, showing as pass. But for some reason, my CSC didn’t change to XSG, stayed at TPA. Really strange. Could this be because of new security policies in February 2021 security update? Please advise. Thanks a lot.
Hi, did you try to change the CSC using the steps given under this head ‘Change CSC on Samsung without Root’? As for the CSC change via flashing firmware, you must flash the CSC file (not Home_CSC) because it wipes your device data and that is a must for a CSC change.
Hi Rakesh, Yes I used the CSC file, not home csc, my phone has never been rooted till now. Strange isn’t it.
Yup, sounds weird!
Hi Rakesh, Vishal here again. does the CSC change depend on what sim card is being used in my phone. Since I’m in Canada and using a canadian carrier sim, would the CSC change accordingly?
Hi. Thanks for writing this excellent article. I bought my Galaxy S21 from India and I live in the UK. Mine is a dual SIM mobile and CSC is in INU/INU,INU/INU format. I wish to change my CSC from INU to BTU which is for the UK, When I followed your method, I am getting a CSC list which has /single after the code. For example BTU/single.
Can I go ahead and install this CSC for dual sim phone?. Could you please give any guidance?
Hi Ashwin, you can easily switch to the BTU CSC. The dual SIM slot may still be functional if the dual-SIM bands are supported there in UK.
Thank you for writing this article. I am trying to change my CSC code on S21 from INU to BTU. I bought my mobile from India and live in the UK. When I checked my CSC code, I am getting BTU/single. My mobile is dual sim mobile and CSC code is in the format INU/INU,INU/INU.
Could you please explain what is /single after the CSC code means?. Can I go ahead and install BTU/sngle for changing from India to UK?. Will it disbale my dual sim functionality on my S21?.
It would be great if you can help..
Hi. I have an old tab 3. SM-T310. That was doing everything I wanted. Now it is stuck at the Samsung screen. When I try a hard boot I get, “failed to mount” errors Is it to old to be able to flash the firmware? Is that what it needs? Also it is wifi only so no CSC? Thanks
Hi Terry, you should try flashing firmware on your Galaxy Tab 3 to fix it. We have a very detailed guide describing the steps to download the firmware and install it on a Samsung device.
https://technastic.com/bl-ap-cp-csc-samsung-firmware-download/
Follow the tutorial and let me know if you need further help.
I don’t have a CSC for Frija. How do I proceed?
Where are you located? Canada?
Hi Rakesh! I have a A50 that was working well until I updated to A505GUBU7CUC2 (Android 11 with security patch of 1st of March 2021). My mobile is unlocked, but the CSC is CTI (Argentina) because I bought the phone thru that carrier.
I was wondering if I can install the A505GUBS7CUD3 (ARO) version of the firmware hoping that this new update will fix the lagging and other problems, but using HOME_CSC instead of CSC (because I don’t want to lose all my data).
Can I do that? I mean, update my phone with a new CSC (in this case is not a country change, but changing the operator from CTI to Open) without losing my data…
Thanks in advance!
Hi Ale, you can switch to the ARO CSC from CTI but in the process, all data stored on your Samsung Galaxy A50 will be wiped for sure. Without a device data format, the new CSC won’t be able to overwrite the old one. I’ll suggest you backup your data to your PC or laptop and then flash the new firmware with the ARO CSC. Unfortunately, there’s no alternative.
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Hi Rakesh
I have question is the odin method still working for s20+ 5g october patch (2021)?
I want to change my csc from prt (polish “play” operator) to xeo.
Can it be done with home_csc becouse i dont want to loose data?
Or can it be done at all (i meen for free i know about sam key)?
What about knox?
Hi Dave,
It’s not possible to wipe the old CSC and install a new one without wiping the data. Yes, you can install a new CSC even after the October security patch. Which CSCs can you see when you use this code: *#272*Device_IMEI_Number# ?
Hi Rakesh
I have s20+5g exynos android 11 october path (2021) csc prt
I want to hange my csc to xeo.
Does odin method still working ?
What abaut knox ?
What about warrancy ?
Can it be done with home_csc?
Can it be still done ?
I HAVE A NOTE 10 I USE FOR ONLY A DESKTOP AND MIRROR. A SCREEN AND DIGITIZER IS $300, ANOTHER PHONE REFURBISHED IS LIKE 350-400 SO I JUST GOT A NEW NOTE 10 PLUS AND KEPT THE 1O FOR DESKTOP. ANYWAY IT WAS LOCKED TO ATT AND IF YOU KNOW ATT THEY’RE THE SIM LOCK NAZIS. I CAME ACROSS THIS METHOD SOMEWHERE AND REPLACED ONE SECTION OF CSC FROM ATT TO TMB SO I COULD GET TWO UPDATES ATT HAD BEEN BLOCKING. NO LOSS OF DATA AND NO CONNECTION TO A COMPUTER AND IT WORKED WITH ZERO PROBLEMS. MY SPLASH, PRIVIDER APPS. ECT ALL CHANGED TO TMB BUT I’VE YET TO TRY THE MOBILE NETWORK SINCE I DON’T NEED IT.
“If you want Odin to wipe all third-party apps, data, and settings and perform a factory reset while installing the firmware, you should add the CSC binary to Odin”
“If your purpose is to just re-install the firmware or update your Samsung device’s software without wiping your apps, all user data, and settings, you should go with the HOME CSC binary.”
Wow… That was a lot of stuff about a lot of other crap just to get that information. Either you have a script that changes the headline based on what people searched for or you should really reconsider your choise of headline.
Hello rakesh, i have a S10+ plus, i just change the CSC to XAA manually as it was formerly in ATT. MAIN CSC WAS OYN, I followed the procedure and now i have it changed to OXM ,but my apps won’t load as my phone is stuck at ” Phone is starting”.
i had searched for SM-G975U1 XAA cause frija won’t bring a result for SM-G975U XAA.
i tried ” wiped cache partition “, restart and nothing changes , i can access some features on settings and receive call and that’s all, Pls Help
Did you try a factory reset from recovery?
Hi Rakesh, Thanks for the great explanation. I have a S 21 – 5g, which I received as a gift from Australia .As I live in Sri Lanka, I tried to change the CSC mainly because I wanted the Call Recording.
I did exactly as you have instructed. But when I used the system menu, the system configuration menu didn’t appear.
Then I used Samsung Odin to change the CSC. Everything went fine with a complete reset, but the CSC has not changed.
While rebooting the phone, I received a message saying ” There has been an unauthorized attempt to reset your phone”
Please help
Hi Rakesh,
I bought s23 ultra from usa and i use it in India. It has CSC of OYM XAA/XAA,XAA/XAA. I’m using Indian physical SIM and Indian e-SIM without any problem. I don’t have OEM unlock option in developer options.
My doubts are
1. Can i change CSC to INS (For call recording) despite no OEM unlock?
2. If yes, will changing CSC will bring back OEM unlock option?
3. 5G is not working as all 5G bands are locked. Will changing CSC unlock those bands or i have to do them manually?
Hi Vamsi, since your S23 Ultra is already unbranded, you don’t need to unlock it. The XAA CSC is for unbranded phones from the US. Sial “*#272*Device_IMEI_Number#” on your phone to check if your phone shows other CSCs. If yes, you can switch to any of the listed CSCs.
I would not recommend flashing Indian firmware on a Samsung phone intended for users in the USA.
Hi Rakesh,
Thank you for the reply. The code is not working on my device. Mine is OYM (I guess it is Multi CSC) and don’t know whether INS will be included in that.
Hi Vamsi,
I have a similar situation with S21 5G from USA and trying to change CSC to INS, but no luck yet. Can you please share your experience ?
Thanks
Rahul
Thanks for this informative article. But your list of codes is missing some information.
I bought an unlocked (any carrier/any network) Samsung phone in the United Kingdom. The firmware code for this phone is EUX.
I assume the EU means it works anywhere in Europe.
You’re right! the CSC ‘EUX’ follows the new European standard and works in any European country.
Hi Rakesh;
I have a SM-S916B/DS (Samsung S23+) with INS/INS CSC (DUAL SIM) updated to latest patch and OS.
Q.1 : the above method of *#272*IMEI# is NOT working. When I dial it gives “Unknown application. Can you please advise how to tackle this?
Q.2 I use this phone in Canada and Canadian cards and vaccine records are not being accepted in Samsung Pay with INS CSC.
I am considering flashing with XAC CSC /firmware for SM-S916W device.
Need your guidance on above situation.
Thank you
Hi Wasim,
Thanks for notifying this! I am updating the tutorial with working steps to change the CSC on Samsung phones. Just check back to this tutorial after 6 hours from now.