is oem unlock needed for changing csc v3 bootloader and oreo - Samsung Galaxy Note 8 Questions and Answers

I have done several searches re the above.
As stated in a previous post I want to change my phone back to tel/tel/tel from xsa/xsa /tel ( xsa is generic unbranded phone in australia and telstra is a branded in Australia phone )
I have no oem unlock available as it has not been 7 days since I have flashed my phone.
should it be possible to change the csc without oemunlock with olin_csc not home_csc ( and using the other associated firmware files bl,ap etc)
and picking f reset time, auto reboot and repartition in odin .

You're good, oem unlock is only needed for flashing custom binaries.

I'm curious, how did you get xsa/xsa/tel? I have been trying to achieve this but haven't had success.. I have flashed stock xsa rom with Odin with CSC and wiped everything and it's still tel/tel/tel. I even tried Optus software and it never changes..

kloony11 said:
I'm curious, how did you get xsa/xsa/tel? I have been trying to achieve this but haven't had success.. I have flashed stock xsa rom with Odin with CSC and wiped everything and it's still tel/tel/tel. I even tried Optus software and it never changes..
Click to expand...
Click to collapse
I did the below with oreo firmware
flash xef french firmware and setup without simcard or sd card ( you will get xef/xef/tel) then flash xsa firmware
both times use csc not homecsc. you will get xsa/xsa/tel
I
but even though I tried to reverse the above with the telstra firmware instead of xsa after reflashing french to try to get back to telstra but it did not I still have xsa/xsa /tel. no biggy samsung pay volte and richtext messages work still . Just thought I might get back to branded for something to do.

g_alahad12345 said:
I did the below with oreo firmware
flash xef french firmware and setup without simcard or sd card ( you will get xef/xef/tel) then flash xsa firmware
both times use csc not homecsc. you will get xsa/xsa/tel
I
but even though I tried to reverse the above with the telstra firmware instead of xsa after reflashing french to try to get back to telstra but it did not I still have xsa/xsa /tel. no biggy samsung pay volte and richtext messages work still . Just thought I might get back to branded for something to do.
Click to expand...
Click to collapse
Thanks for that info. Will try this. Hopefully I can get Volte and Wifi calling to work with Optus, even though its a Telstra phone.

solution to get back to telstra
hello all got back to telstra through the factory binary in the below post
and following steps there
https://forum.xda-developers.com/showpost.php?p=74324845&postcount=87

Related

S3 LTE I9305 kies not support udate problem help

Hi threre,my s3 lte i9305 was rooted but i installed the originla stock ee uk rom and reset the counter but kies still saying your device current firmware virsion not support update via kies..
i tried the change csc app but its not working and i cant find any option to change csc,it must got the original uk csc as i flashed the uk ee rom..
can you please help me to sort the problem.?
or any one got the diffrent csc files so i can try others..?
please help.
thanks
Did you try Factory reset? Reseting counter doesn't change your status. What is your Device Status? Normal or Modified? Also, you can dial *#1234# to check your CSC.
My CSC was changed to OPS or something after flashing Pandoriam Rom (made in Australia ). Few days ago I've came back to stock by using EE pre-rooted ROM from here. Now my CSC is EVR (BLL1 - EE UK)
djembey said:
Did you try Factory reset? Reseting counter doesn't change your status. What is your Device Status? Normal or Modified? Also, you can dial *#1234# to check your CSC.
My CSC was changed to OPS or something after flashing Pandoriam Rom (made in Australia ). Few days ago I've came back to stock by using EE pre-rooted ROM from here. Now my CSC is EVR (BLL1 - EE UK)
Click to expand...
Click to collapse
my device says normal and my csc is also EVR..
i did the factory reset from stock recovery but still getting the same messege in kies..

Can't change Australian Note 8 CSC - Stuck on Telstra

Hi Guys,
I purchased a Note 8 (950F) through Gumtree and although I knew it had the Telstra firmware,
I figured I'll just flash the regular Australian XSA unbranded firmware via Odin
and get rid of the Telstra branding as I have done in the past with other Samsungs.
Currently I use an Optus sim (which works) but have lost VoLTE and WiFi calling.
I have tried searching through these forums for a solution but can't get a clear answer.
When I flash the unbranded XSA firmware (BL, AP, CP and CSC, NOT Home_CSC)
I still get the Telstra branding and the software info remains on TEL/TEL/TEL.
Is this normal now? Are we forced to buy a phone from a network carrier if we want to use their services?
Or is there a way to make the switch but I am just overlooking something.
I don't want to root the phone or install anything custom as this will break some banking apps that I'm using.
Please help...
Currently I'm on XEF/XEF/VAU because just upgraded to Oreo, the original CSC is VAU/VAU/VAU
0. Backup your data
1. Download New Zealand or other country firmware.
2. Take both SIM and SD card out.
3. Flash the firmware of other country using CSC, not home_csc
4. Then check your CSC, should be changed.
I did't test the following steps, but I will try this weekend.
5. Flash back to Australia firmware.
6. Check the CSC number, should be changed to XSA
7. Insert SIM card.
hinnn said:
Currently I'm on XEF/XEF/VAU because just upgraded to Oreo, the original CSC is VAU/VAU/VAU
0. Backup your data
1. Download New Zealand or other country firmware.
2. Take both SIM and SD card out.
3. Flash the firmware of other country using CSC, not home_csc
4. Then check your CSC, should be changed.
I did't test the following steps, but I will try this weekend.
5. Flash back to Australia firmware.
6. Check the CSC number, should be changed to XSA
7. Insert SIM card.
Click to expand...
Click to collapse
Thanks for your input, I was considering this as I want Oreo as well but not game enough to try and mix other countries CSC's yet.
I read somewhere that Oreo will be widely available for most countries as of 1st of April, so I might wait till then and try again.
This does NOT necessarily mean Oz...
Remember, we are at the end of the list to get it as our stupid legal system upheld some patents on icons that Apple took out...
Also, if you're with any of the Telco's, add at least 6 months to that date...
Did you ever manage to get this sorted out? I'm in a similar boat to you, I have an Optus device but a Telstra Sim, when using the Telstra sim, I have no option for VoLTE, but when I use my Optus sim I do. Would like to get VoLTE and other features working on my Telstra sim.

Change CSC within multi-CSC

HI everyone,
I have a G970F/DS that has come with XSG firmware and I am trying to change the firmware to XSA
According to the image here https://forum.xda-developers.com/galaxy-s10/how-to/g973f-g973n-multi-csc-firmware-t3903050
For OXM multi CSC
SM-G970FXXU1ASAT-G970FOXM1ASAT
SM-G970FXXU1ASBA-G970FOXM1ASBA
The XSG is in the OXM multi CSC and XSA is in the single - I do not know what this means exactly.
I have tried
Using the *#272*IMEI# code with both IMEI codes, but i do not get a menu after typing it in
Flashing with new firmware from http://updato.com/ with Odin with the sim card in and out
Formatting the device using recovery mode with the sim in and also out+putting it in after
Using Odin to flash VD2 firmware and then back to the OXM firmware
When I flashed VD2 I got VD2/VD2,VD2/XSG in the software information but this went back to XSG/XSG ,XSG /XSG after flashing the OXM firmware
The sim card I am using is an Australian one from Optus and Odin is 3.13.1
Nothing seems to change to XSA.
Am I doing something wrong or is there something else I need to do?
Thanks
gazw68 said:
HI everyone,
I have a G970F/DS that has come with XSG firmware and I am trying to change the firmware to XSA
According to the image here https://forum.xda-developers.com/galaxy-s10/how-to/g973f-g973n-multi-csc-firmware-t3903050
For OXM multi CSC
SM-G970FXXU1ASAT-G970FOXM1ASAT
SM-G970FXXU1ASBA-G970FOXM1ASBA
The XSG is in the OXM multi CSC and XSA is in the single - I do not know what this means exactly.
I have tried
Using the *#272*IMEI# code with both IMEI codes, but i do not get a menu after typing it in
Flashing with new firmware from http://updato.com/ with Odin with the sim card in and out
Formatting the device using recovery mode with the sim in and also out+putting it in after
Using Odin to flash VD2 firmware and then back to the OXM firmware
When I flashed VD2 I got VD2/VD2,VD2/XSG in the software information but this went back to XSG/XSG ,XSG /XSG after flashing the OXM firmware
The sim card I am using is an Australian one from Optus and Odin is 3.13.1
Nothing seems to change to XSA.
Am I doing something wrong or is there something else I need to do?
Thanks
Click to expand...
Click to collapse
You can try inserting a Singapore SIM to see if it triggers Late Customization prompt to reset phone to XSP. 272 menu works in XSP
wire.rat said:
You can try inserting a Singapore SIM to see if it triggers Late Customization prompt to reset phone to XSP. 272 menu works in XSP
Click to expand...
Click to collapse
I don't have a Singapore Sim but I will see if I can get one to try with.
Do I need to reset the phone with the sim in or will the phone ask me when I put the sim in if I want to reset it?
Which IMEI is best to use with 272, does it make a difference?
Thanks for the suggestion
gazw68 said:
I don't have a Singapore Sim but I will see if I can get one to try with.
Do I need to reset the phone with the sim in or will the phone ask me when I put the sim in if I want to reset it?
Which IMEI is best to use with 272, does it make a difference?
Thanks for the suggestion
Click to expand...
Click to collapse
It should prompt you, but you can also try resetting in the recovery menu. I have always used IMEI 1 with 272
Worked for me!!!
gazw68 said:
HI everyone,
I have a G970F/DS that has come with XSG firmware and I am trying to change the firmware to XSA
According to the image here https://forum.xda-developers.com/galaxy-s10/how-to/g973f-g973n-multi-csc-firmware-t3903050
For OXM multi CSC
SM-G970FXXU1ASAT-G970FOXM1ASAT
SM-G970FXXU1ASBA-G970FOXM1ASBA
The XSG is in the OXM multi CSC and XSA is in the single - I do not know what this means exactly.
I have tried
Using the *#272*IMEI# code with both IMEI codes, but i do not get a menu after typing it in
Flashing with new firmware from http://updato.com/ with Odin with the sim card in and out
Formatting the device using recovery mode with the sim in and also out+putting it in after
Using Odin to flash VD2 firmware and then back to the OXM firmware
When I flashed VD2 I got VD2/VD2,VD2/XSG in the software information but this went back to XSG/XSG ,XSG /XSG after flashing the OXM firmware
The sim card I am using is an Australian one from Optus and Odin is 3.13.1
Nothing seems to change to XSA.
Am I doing something wrong or is there something else I need to do?
Thanks
Click to expand...
Click to collapse
WORKED PERFECTLY on my S10!!!
Changed CSC code from ZTO (Brazil retail) to ZVV (Vivo) after flash CHT firmware (from Chile).
I don't know why, but 4g+ from my operator (Oi - Brazil) doesn't work on ZTO -- br retail (it gets only 4g), but in CHT/ZVV it works 4g+ flawlessly!!! Despite Vivo's logo, I'm so happy!
rodrigoger said:
WORKED PERFECTLY on my S10!!!
Changed CSC code from ZTO (Brazil retail) to ZVV (Vivo) after flash CHT firmware (from Chile).
I don't know why, but 4g+ from my operator (Oi - Brazil) doesn't work on ZTO -- br retail (it gets only 4g), but in CHT/ZVV it works 4g+ flawlessly!!! Despite Vivo's logo, I'm so happy!
Click to expand...
Click to collapse
How?
Luke301 said:
How?
Click to expand...
Click to collapse
Once you flash a Multi-CSC and your active SIM is within the said list then it would restart and make the changes.
So if you want to move to a different CSC then just use a different SIM that has the specific you need.

SM-G977B - Flash to BTU not working but ODIN Passes

Hey all
Strange one here, i have a SM-G977B (S10 5G on EE UK), i have unlocked it and trying to flash BTU firmware on it via ODIN (download fw from sammobile)
It flashes ok and passes but when phone starts up its CSC is TEL! (Australia!!)
I have re done the flash with XEU and still the same. firmware version says TEL/TEL/EVR in settings
any ideas on this? can this model be flashed to a different region? i want it on BTU not EVR (EE UK)
tried few versions of ODIn too, and left all check boxes default
Thanks
ok, i have reflashed the latest EVR firmware back to the phone and it has taken this fine
Wonder why it doesnt like BTU or XEU?
What firmware files were you trying to flash specifically?
Sounds like you downloaded the wrong one. What are the names of the firmware files you flashed?
the_scotsman said:
What firmware files were you trying to flash specifically?
Sounds like you downloaded the wrong one. What are the names of the firmware files you flashed?
Click to expand...
Click to collapse
Hi
Tried these
https://www.sammobile.com/samsung/firmware/SM-G977B/BTU/download/G977BXXS2ASJ7/299842/
https://www.sammobile.com/samsung/firmware/SM-G977B/XEU/download/G977BXXS2ASJ7/299840/
The above all flash on in Odin, but when the phone starts (even with uk sim in the phone) it defaults to Australia language and 2x Telstra apps install automatically, software info says tel/tel/evr
I then tried this one:
https://www.sammobile.com/samsung/firmware/SM-G977B/VOD/download/G977BXXU2ASJ5/299590/
And the above install the 2x Vodafone uk apps automatically which is fine as I am on Vodafone uk but in software Info is still says vod/vod/evr
What my issue is now is I don’t seem to get 5g on this phone even though I’m on a a 5g contract and has worked previously on a note10+ 5g handset.
Is this handset 5g modem locked to ee?
bigup7 said:
Hey all
Strange one here, i have a SM-G977B (S10 5G on EE UK), i have unlocked it and trying to flash BTU firmware on it via ODIN (download fw from sammobile)
It flashes ok and passes but when phone starts up its CSC is TEL! (Australia!!)
Click to expand...
Click to collapse
Did you enable OEM unlock in developer options before flashing?
I am waiting for delivery of an EE branded S10 5G tomorrow and planned to flash BTU firmware
dezborders said:
Did you enable OEM unlock in developer options before flashing?
I am waiting for delivery of an EE branded S10 5G tomorrow and planned to flash BTU firmware
Click to expand...
Click to collapse
Didn't think I needed to.
Gave up and went back to evr firmware.
Lmk how you get on please
bigup7 said:
Didn't think I needed to.
Gave up and went back to evr firmware.
Lmk how you get on please
Click to expand...
Click to collapse
OK, well I have always had to do that to change CSC via FW flash since the S9 range was released in 2018.
I am waiting for postman to deliver my S10 5G today so will try to flash BTU with OEM Unlock enabled, and let you know the outcome.
(If it doesn't work for me, i will do same as you and flash a network specific FW via Odin - H3G is my network provider).
bigup7 said:
Didn't think I needed to.
Gave up and went back to evr firmware.
Lmk how you get on please
Click to expand...
Click to collapse
Didn't work ended up with TEL CSC code so just flashed latest H3G
dezborders said:
Didn't work ended up with TEL CSC code so just flashed latest H3G
Click to expand...
Click to collapse
If you go to software information in settings, does it say h3g/h3g/evr?
bigup7 said:
If you go to software information in settings, does it say h3g/h3g/evr?
Click to expand...
Click to collapse
Yes exactly. My product code is also SM-G977BZAAEVR, so its always going to be an EE UK handset
Hello,
I have the same phone (SM-G977B), I exchanged it with someone in Shanghai (without a box, stupid me)
It was rooted with some CHC firmware (which did not let me download any Google play services), I tried to root the phone (my first time) and ended up re-locking the bootloader.
Later on, while trying different things, I ended up deleting the firmware from TWRP (as I formatted the data, cache folders/directories) as it was not booting up (bootloop on Samsung logo).
Long story short (and rather sad and stupid):
I have a brick phone which has no SD card slot, No OS installed, I do not know the original CSC (except that it was bought in some country in Europe), other firmwares does not flash with Odin (gives me Repartition error failed error), I am unable to mount the device (thought I could transfer the firmware using MTP), I can not change TWRP (downgrade or upgrade) as disk won't mount (for some reasons). I have formatted the disk, changes its format to ext4, ext2 etc.
Any ideas?

N960F/DS Swap firmware region

I have Note 9 with Indonesian Firmware and im thinking to flash Australian firmware. I checked the phone model number and its exactly same (N960F/DS). what im worried about is
1. if I flash Australian firmware, would I keep getting the notification if theres any patch / software update or I'll have to find the update manually?
2. if I still get the patch / software update notification, would I get the Australian ver. or the original (Indonesian) ver? (im afraid if its different)
3. Would Samsung Pay System work in Australian firmware? ( I read if you flash different firmware to the phone model, some functions wont work including Samsung Pay System).
Any help would greatly appreciated
1. if I flash Australian firmware, would I keep getting the notification if theres any patch / software update or I'll have to find the update manually?
if you flash the firmware with the Austrailian CSC, you will only get updates from carriers within that CSC in accordance with what network your SIM is connecting to. Only time you flash them manually is if you have an aftermarket recovery such as TWRP
2. if I still get the patch / software update notification, would I get the Australian ver. or the original (Indonesian) ver? (im afraid if its different)
see above
3. Would Samsung Pay System work in Australian firmware? ( I read if you flash different firmware to the phone model, some functions wont work including Samsung Pay System).
samsung pay doesnt work in certain countries period. that might be what youve been seeing
Youdoofus said:
1. if I flash Australian firmware, would I keep getting the notification if theres any patch / software update or I'll have to find the update manually?
if you flash the firmware with the Austrailian CSC, you will only get updates from carriers within that CSC in accordance with what network your SIM is connecting to. Only time you flash them manually is if you have an aftermarket recovery such as TWRP
2. if I still get the patch / software update notification, would I get the Australian ver. or the original (Indonesian) ver? (im afraid if its different)
see above
3. Would Samsung Pay System work in Australian firmware? ( I read if you flash different firmware to the phone model, some functions wont work including Samsung Pay System).
samsung pay doesnt work in certain countries period. that might be what youve been seeing
Click to expand...
Click to collapse
I tried to flash with Global Australian CSC (not for any specific carrier) and I was be able to get update OTA. Now, the problem is after I flashed Au firmware (incl, BL, AP, CP, CSC) with Odin3B, somehow the service provider software has changed to AUT/AUT/XID while previously XID/XID/XID which is weird. I tried flash using HOME CSC file and couple times I re-download the firmware and flashed other unlocked au firmwares (with android 10 version) it still gave me AUT (Switzerland) instead of XSA (Australia).
Any idea why?

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