Reflashing Stock ROM - Samsung Galaxy S9+ Questions & Answers

Hi I want to know how to flash the stock ROM on the SM-G965U. Where should I download the firmware and what should I use to flash it?

Download the firmware on sammobile and flash it using odin.

or alternatively use the 'samfirm' program (google it) and plug in your phone...click the find firmware and DL it. Then odin it back to stock.

Is their a one ui firmware for g965usqs3arg8

There're 2. Which type is yours. Please do not upgrade from custom. Flash ARG8 official then upgrade.

ARG8

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help me by flashing a stock rom

hi to everyone.
i have bought a jig for flash a stock rom to go with phone at the warranty.
i tried to download the default rom for my country and network (roumania - orange)
and I can't do that via fus download.
anyone can help me to get this default rom?
also some guide about how to flash it via jig is welcomed. I just need to insert the jig and start the phone, the phone will start in download mode. Here I need to flash the stock rom with odin? that's all?
please help me with default rom.
edit: at about phone i can find these details:
baseband version i9100xxke4
kernel version: 2.6.35.7-i9100xwke7-cl21525
build number gingerbread.xwke7
edit: i've found something here:
http://forum.xda-developers.com/showthread.php?t=1113928
on the orange section from roumania. it's ok if i flash that rom?
edit: i need to flash a stock kernel too?
Are you using the latest version of the Fus Download app (v1.2)? I've just had a look, and under the GT-I9100 phone there's definitely an option for Romania (Orange). The phone model is listed as GT-I9100LKAORO. The latest firmware version appears to be BVKE2/OROKE2/BVKE2, and was last modified on 12th May.
I haven't tried to actually download the firmware, but in theory it should work just fine. The firmware is downloaded from the same servers that Kies uses.
You don't need to use the jig to flash a stock firmware. The only thing the jig will do for you is make it easy to get into download mode on the phone, which is the mode the phone has to be in for Odin to work. Turn off your phone, insert the jig, and it should automatically boot straight into download mode.
Once you've got the firmware files on your computer (you need the TAR file inside the ZIP file that Fus Downloader gives you), and your phone is in download mode and connected via USB, the rest is easy. Click on the PDA button, select the TAR file, and start.
p.s. I don't know what ROM you have currently, but XWKE7/XXKE4 is a generic European firmware, not an Orange Romania firmware. If this is what came on the phone, are you sure you're doing the right thing by flashing the Orange firmware?

USB JIG Help

I have so many times flashed my phone with different ROMs like MIUI, Android ver 2.3.6, 4.03. etc.
Just now I have flashed using odin CF Root Kernel. Then I have used USB JIG for resetting binary counter. Now my boot logo change, I want to make as original. How can I?
Do you mean you want the original boot logo/animation you had with your original stock rom ?
If so, you need to flash the original stock firmware that was on your phone. Might want to head over to Sammobile.com to find your original firmware & then flash it in Odin following whatever instructions Sammobile have for flashing firmware downloaded from their site.
If you mean/are asking something else, please clarify what that is

[Q] Help !

How can I go back from 4.0.3 to 2.3.6 ?
You can use odin or CWM. If you want to get back to stock, just download a stock rom from samfirmware.com and use odin. You can also just flash a 2.3.6 rom if you have CWM already installed.
as mentioned above...
easiest way I think will be ODIN.
Get the ROM you want (official) and look for Odin3-v1.85.zip and run it.
Then plug your phone and it will show up in Odin. Then check and select PDA in Odin and find the rom you want to install. Run it and should be good to go.
PS
The stock ROM should be tar/md5 along with a dll (in case you get it somewhere zipped up and need to unzip it).

do i have to unroot in order to update in odin?

simple question
I'm rooted with 5.1.1 tmobile
I want 6.0.1, I got the firmware file ready to flash with odin, do I have to unroot first then flash or am I good to flash it ?
No, just put your phone into download mode and Odin flash like you usually do.
You will need to root after most likely I reckon.

Update firmware without lose any data

hello guys!
I have a SM-G950FD (ZTO) rooted by magisk and TWRP recovery.
I need to perform updates by flash a zip or donwload via odin.
The problem is: when I try to update a firmware downloaded on Sammobile (tar.md5) via Odin it changes my recovery causing to lose all data.
This happen because on firmware that I donwload on Sammobile have a stock recovey included. Otherwise, if I use HOME_CSC will also cause lose data because of change on recovery.
I try a lot of things like, remove recovery file from the tar.md5, also try use Abyssal Kitchen, but I can't have sucess.
I ask for help plz! I just need upgrade my firmware without lose data by flash a update.zip or donwload a .tar via Odin using a firmware that I donwload from Sammobile.
Kind regards!
It's the wrong place to ask questions here, but try this https://forum.xda-developers.com/galaxy-s8/samsung-galaxy-s8--s8-cross-device-development/test-u1ara2-devbase-v5-0-encryption-t3752964

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