Firmware and CSC mess - Samsung Galaxy S8 Questions and Answers

Hello
I have a Samsung Galaxy S8 that is stuck at December 2017 security patch. The phone is un-tampered.
This is information taken from Phone Info App
Product Code: SM-G950FZKAROM
Original CSC: blank
Firmware CSC: blank
Active CSC: ROM
CSC Country: Romania / RO
Checking the CSC information in Settings > Software information under Service Provider SW ver. I get ROM/ROM/DBT
Current firmware: G950FXXU1AQL5/G950FOXM1AQL5/G950FUUX1AQL5
From my knowledge it seems I have a phone mean for the German market, with a German firmware build, that has CSC locked to Romania, the country where I purchased it.
I am not receiving any OTA updates. The Smart Switch application under Windows tells me I am at the latest software version.
Is there any way of getting updates the "legit" way?
I managed to tamper with the traffic Smart Switch generates and replaced the CSC code it sends to the update servers from ROM to DBT and somehow tricked it to fetch me and update (see image). Is it safe to apply this update?
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Related

Conflicting firmware upgrade information from kies

I'm getting conflicting information from kies about firmware update availability. A popup message appears saying the firmware is ready to be upgraded. I then start kies and plug in my tab, and I am told I already have the latest firmware.
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Bought my tab in Dubai airport, but live in New Zealand and am using it with Vodafone New Zealand. I switched from XSS to XSG from *#272*imei# menu.
*#1234# reports:
PDA: P1000JPJM5
PHONE P1000JXJM2
CSC: P1000OJPJM6
Firmware version: 2.2
Kernel version: 2.6.32.9 [email protected] #1
Any ideas? I'd like to upgrade to gingerbread when it's available, but can't use custom firmware as it's a work phone. Do you think switching back from XSG to XSS might help?
Mine too was bought in dubai.I have since flashed the Asian froyo and now it has been updated to the latest gingerbread thru kies. I read somewhere that there are issues with the Middle Eastern/Arabic region with android that needs to be resolved before an upgrade is officially issued.
Since your tab is a work device and I assume you are ok with it then there is no solid reason to get gb by flashing with all the risks. But if you think you can go thru the steps in flashing then go ahead and follow the steps here in this forum.
Good luck!
Sent from my GT-P1000 using Tapatalk

N7100XXDMC3_N7100OXXDMC2_N7100XXDLK7_FACTORY (BTU-United Kingdom)

Source Samsung KIES
4.1.2 factory (Service-Firmware)
N7100XXDMB2_N7100OXXDMB2_N7100XXDLK7_FACTORY (BTU-United Kingdom)
Composition zip:
> CSC
> CODE
> MODEM
Attention! All user data will be deleted during flash the firmware, including internal sdcard!!
https://hotfile.com/dl/201825933/a5831fc/N7100XXDMB2_N7100OXXDMB2_N7100XXDLK7_FACTORY.ZIP.html
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Updated
N7100XXDMC3_N7100OXXDMC2_N7100XXDLK7_FACTORY (BTU-United Kingdom)
Composition zip:
> CSC
> CODE
> MODEM
Attention! All user data will be deleted during flash the firmware, including internal sdcard!!
https://hotfile.com/dl/203899154/276e14e/N7100XXDMC3_N7100OXXDMC2_N7100XXDLK7_FACTORY.ZIP.html
Analysis
User data for the region KOR. Samsung joking
is this android 4.2.2 ???
)))
4.1.2 factory (Service-Firmware)
o zaman koy götüne rahvat gitsin
in english : i want 4.2.2 because samsung is not update sgn2 samsung ban
mehmet184 said:
is this android 4.2.2 ???
Click to expand...
Click to collapse
4.1.2 factory (Service-Firmware)
whats this gotta do with development?
zekurosu said:
whats this gotta do with development?
Click to expand...
Click to collapse
recover from errors)))
Updated
N7100XXDMC3_N7100OXXDMC2_N7100XXDLK7_FACTORY (BTU-United Kingdom)

[Q] Sprint GS4 CSC

Somewhere in all my flashing/wiping, I seem to have lost my CSC.
When I install Phone INFO and go to the CSC Code tab, it says BTU.
Can anyone tell me how to download and restore the Sprint CSC on my phone?
In particular, I am looking for one that is compatible with CM12.1 (I'm not 100% sure that the CSC is related to the ROM, so that might be irrelevant, but just in case).
Also, is there a specific Bootloader/Modem that you recommend for CM12.1?
Many thanks
bobjase said:
Somewhere in all my flashing/wiping, I seem to have lost my CSC.
When I install Phone INFO and go to the CSC Code tab, it says BTU.
Can anyone tell me how to download and restore the Sprint CSC on my phone?
In particular, I am looking for one that is compatible with CM12.1 (I'm not 100% sure that the CSC is related to the ROM, so that might be irrelevant, but just in case).
Also, is there a specific Bootloader/Modem that you recommend for CM12.1?
Many thanks
Click to expand...
Click to collapse
CSC is only in Touchwiz, that app is for use with phones on Touchwiz... problem solved, you have no problem. Bootloader and modem (some modems may give you better performance but usually the latest one has the best performance) usually don't matter on AOSP, if you have the latest firmware (NG2) you can't change it anyways.
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Problems with CSC and Locale... Help?

Hello everyone. I'd like to get a ROM and CSC that allows for updates and also allows Japanese Locale on a Galaxy S7 Edge G935F from Europe. Let me start about how this happened:
I have two devices, one in black and the other in white. First I had the black one, and I thought it was a little defective, so what I did was download any old ROM from the website that as compatible with my device. It turned out great. My friend who speaks Japanese wanted the same phone, since it's such a beaut!, and saw that my device (without me knowing, it didn't have a CSC, see below) and it had Japanese. Based on this, he got one and I have it now in my hand. As soon as I turned it on, there was no Japanese! So I looked at mine, and they're from the same operator / carrier / region. They're both European S7E from Italy TIM.
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Image with my no CSC, but yes with Japanese.
So then I decided to try a ROM, and it kept a different CSC
So I restored my personal device with Samsung Kies, and it restored EVERYTHING ... Except for the CSC!
Now, I don't have a CSC or Japanese anymore.
How can I change my CSC?
And how can I find a CSC / ROM that has Japanese for my friend, and still allow him to get updates from Samsung?
Thank you very much!

What firmware code for 900F ANG2 to lollipop

Hi, I have an S5 with standard 4.4.1 G900FXXU1ANG2 and is unbranded and factory unlocked and bought outright.
What firmware do i need to download to update to lollipop? I'm worried i will flash the wrong file and break it.
Thanks for any help.
G900FXXS1BPCL is the latest Lollipop firmware for the G900F BTU
Sammobile .com firmware section, search for G900F and your region in the dropdown, latest build at the top
Are you sure? I checked what you said on that site and comes up with the following....
2016-04-25
Kenya
5.0
G900FXXS1BPCL
G900FOJV1BOF1
Im UK
Why did you pick Kenya if you're in the UK?
Yes I'm sure, choose United Kingdom (BTU)
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Ahh your on a different screen to me, i dropped box down for G900F then looked for G900FXXS1BPCL
FandangoC said:
Ahh your on a different screen to me, i dropped box down for G900F then looked for G900FXXS1BPCL
Click to expand...
Click to collapse
Ah ok, no, just search your model S5 (G900F) then dropdown for your region and carrier, or unbranded which is BTU
Another way to find the latest (And way faster than sammobile) is this tool
http://forum.xda-developers.com/galaxy-tab-s/general/tool-samfirm-samsung-firmware-t2988647
Set it up like this

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