csc change - Samsung Galaxy S8 Questions and Answers

HI guys i bought a galaxy s8... and i downloaded the latest DBT CSC firmware from sammobile.. I flashed the firmware and after everything was complete and i didnt get DBT CSC i got XEU CSC and notification to factory reset my phone provider change. I reseted my phone to factory and now i have see/see/vd2 i tried flashing again with odin but i cant revert to XEU CSC is ther any method to go back to XEU? the phone is not rooted

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[q] i-9505zkabtu

Hello,
Have a Problem with my Phone, a Handyshop unlocked my Galaxy S4 (Simlock removed )
at home flash with Odin Open ATO Firmware XXUAME2, but Product Code is I-9505ZKABTU and Kies say can not Update Firmware.
Flash again Open DBT FW, same effect...flash again ATO Never will change the BTU Code.
More than 5 times Hard Reset, Factory Reset not effect.
What can i do for change the BTU Produkt Code, will Update with Kies Regular Samsung Updates
Please !! Help... PDA: I9505XXUAME2
Phone: I9505XXUAME2
CSC: I9505OXXAMDB
Product Code: I9505ZKABTU ( check with checkfus )
No Root, Original Firmware from Sammobil
Sorry for my English, speak German
I went from 3 uk to btu
Flash btu
Reset phone to factory setting
Go into recovery (home.power and.volume.up)
Use up and down volume to go to reboot
Btu csc wrote to my phone so I presume same goes to what even.firmware you have put.on.it
Sent from my GT-I9505 using xda premium
I have always from Recovery Menue Wipe Factory Reset, Wipe Cache i mean 5 times, flash open ato, and open DBT Firmware
and again open ato, never will change the BTU Product Code.
mancuk29 said:
I went from 3 uk to btu
Flash btu
Reset phone to factory setting
Go into recovery (home.power and.volume.up)
Use up and down volume to go to reboot
Btu csc wrote to my phone so I presume same goes to what even.firmware you have put.on.it
Sent from my GT-I9505 using xda premium
Click to expand...
Click to collapse
Old thread, but very actual and important.
Here is solution, but if you was not make EFS backup (my first to do for new device always), I think you lost your original S4 Product Code forever...
Tips Backup and Restore EFS Folder in Samsung Android Devices
Regards

Active CSC code

Hi guys,
I recently bought an S5 which was on 3 UK. I've downloaded the S5 BTU Firmware and installed it through Odin.
I then factory data reset after installing but when I connect to Kies, it's still saying that my phone's CSC is H3G. I've downloaded Phone Info and it says my CSC is BTU but the active CSC is H3G/BTU.
How do I get rid of the H3G so I can get full BTU OTA updates? I'm not sure how to go about it as I thought that a factory reset would sort the CSC problem.
Any help would be great
Thanks.
***EDIT***
Seems I found the problem. I forgot to go into recovery after flashing BTU firmware.
Went into recovery and now all is sorted and i'm on full BTU
Brownie2k said:
Hi guys,
I recently bought an S5 which was on 3 UK. I've downloaded the S5 BTU Firmware and installed it through Odin.
I then factory data reset after installing but when I connect to Kies, it's still saying that my phone's CSC is H3G. I've downloaded Phone Info and it says my CSC is BTU but the active CSC is H3G/BTU.
How do I get rid of the H3G so I can get full BTU OTA updates? I'm not sure how to go about it as I thought that a factory reset would sort the CSC problem.
Any help would be great
Thanks.
***EDIT***
Seems I found the problem. I forgot to go into recovery after flashing BTU firmware.
Went into recovery and now all is sorted and i'm on full BTU
Click to expand...
Click to collapse
I have the same problem with multi csc. How do you sorted it out from recovery? Also, does it wipe all data?
Thanxxx!
*#272*{IMEI}# brings up a menu to select the carrier
reboot again into recovery to set up CSC code.

any single CSC region firmware please

Hi I have multi csc :KSA. I have flashed atleast 10 region firmwares via ODIN to change it back XSG. THe firmware region changes but in recovery it is still KSA. THe regions in have tried XSG,INU,INS,THY,ILO but in recovery I get KSA.
I need to send for warranty and that's why I need to make it XSG.
I was looking for a single csc firmare so if it locks it to that csc. I can reflash some other region to get back XGS

[Q] BTU firmware didn't stick properly???

Hi,
Had a Vodafone branded S5, and I just downloaded the BTU generic firmware and flashed it over.
None of the phone was reset, the apps were still there, apart from the vodafone bloat, that had gone.
Running a phone info app, it says original CSC is VOD, firmware CSC is BTU, active CSC is VOD/BTU
Anyway of totally flashing BTU and getting it to reset fully? I flashed using Odin 3.09 using the firmware in AP and F. Reset Time and Auto Reboot ticked
Do a data factory reset and reflash the firmware again. That should solve the issue. Had the same with my T-Mobile unlocked S5.
gee2012 said:
Do a data factory reset and reflash the firmware again. That should solve the issue. Had the same with my T-Mobile unlocked S5.
Click to expand...
Click to collapse
Doing a factory reset now has it as:
Original CSC = BTU
Firmware CSC = BTU
Active CSC = VOD/BTU
TheMathMan said:
Doing a factory reset now has it as:
Original CSC = BTU
Firmware CSC = BTU
Active CSC = VOD/BTU
Click to expand...
Click to collapse
Reflash the BTU firmware once again, first uncheck Auto Reboot in Odin and after the flash pull the battery, boot into recovery and factory reset/wipe cache and it should say BTU CSC.
gee2012 said:
Reflash the BTU firmware once again, first uncheck Auto Reboot in Odin and after the flash pull the battery, boot into recovery and factory reset/wipe cache and it should say BTU CSC.
Click to expand...
Click to collapse
A few factory resets and a couple of further flashes and it looks like we're there!!

Help me understand CSC codes, Flashing different firmwares and Odin

OK - I started with a unbranded UK A300FU - CSC code BTU on 5.x
I flashed a (supposedly) UK VOdafone 6.0.1 rom using Odin and the ROM n the AP sjlot
It appears this failed - my Modem wasn't updated an WiFi failed - the advice elsewhere is to go into download from a cold phone.
Also, it would appear the firmware wasn't UK, but some germanic version
I restored from a TWRP backup
My phone details now says the "orginal CSC Code" is VD2
If I want get back to showing Original code as BT should I re-flash in Odin the firmware that matched the twrp backup ? If so , should I stil use the AP slot, or should I use the CSC slot?
Many thanks
Use CSC slot.
Also, the reason why your TWRP backup restoration didn't touch the CSC is that it has it's own partition, which one normally does not backup.
You could flash an entirely unbranded marshmallow rom of your choice, and flash the BTU CSC of lollipop, it should still theoretically work.

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