GW3 Region Change

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roriii

Senior Member
Jan 28, 2006
183
27
It will not work if your watch not on CSC XAC. You must be on the specific CSC. Can you share more about your model and the country of the origin of the watch? This is only for SM-R840/850 MODEL.
Thanks

Sent from my [device_name] using XDA-Developers Legacy app
 

babak_1274

Senior Member
Sep 28, 2006
139
3
46
Tehran
Could anybody here let me know, what is the latest firmware for Germany DBT?
And what is included in this update.....

Thank you in advance!
 

enzo-ita

Senior Member
Dec 18, 2008
92
5
70
Ala
How To

Hi guys,
I want to clarify something I have learned the hard way.
Change the region in easy, but you should know what is used for.
Net odin: Is a program that allow you to upload the firmware to your watch.
Combination firmware: Is a firmware that MUST be installed before doing anything else. It will allow to use sdb tools. You install with Net Odin. It must be the right one for your watch model.
SDB Tools: This is cmd software that can read two files from your watch and save, "pull "them in your computer. You will need to use the right version (windows, mac ubunto and so on) Once pulled the files, you will mod, with a text editor, the region code and save the files. Then you will upload them to your watch pushing them always with SDB tools "push".
Firmware: Is the actual working firmware that you will upload to your watch after the operation above. Usually is a packed file containing three files that you will upload using Net Odin
I hope this helps the ones like me not very familiar with the procedures required.
Ciao ciao
 

poupinej

New member
Oct 31, 2010
2
0
Dear all.

I'm living in the middle East. I don't have access to ECG and blood pressure on my watch 3 firmware r850. In my country health monitor is not available on Samsung store

Is it possible to help me. I don't understand how to do for move in another country
 

black_eagle5000

Senior Member
Oct 29, 2010
78
6
Hooray
Thank you guys, I have managed to make it work on my SM-R845F, after brick it once
Now I have samsung pay, ecg, spo2 on my Watch 3, so amazing
 

nicolodo

Member
Oct 12, 2014
15
1
padova
Hy Guys, some questions for u:
-Why i must flash the combination file and use the sdb tools, i can't flash the firmware with the choise csc direct to netOdin?
-Some experience of bad measure ( BP, So02, ecg) in R850f? i read some user that had problema....but they have the two mod app (caravana) maybe is this the problem



Furthermore I ask you if you think it makes sense to wait for a Samsung update for the LTE version in Italy
(since its release nothing has ever been released from what i read in Android blog ) or if you think it will never arrive, Zamsung :rolleyes: ....
I know you don't have the crystall ball of the witcher :cyclops: : :angel:
 

kretzu77_

New member
Dec 2, 2020
4
2
Hi,

Can you help me, please, with a SM-R850 (R850XXU1BTK1)?
I want to change CSC, but I can't find the necessary files (combined firmware) or the steps.

Thanks'
 

kretzu77_

New member
Dec 2, 2020
4
2
Yes, but is for R840

I need combination and stock firmware for R850 :(

Thanks'
@kretzu77_

You found this meanwhile?

Best Regards
 

Esluguen

New member
Nov 30, 2020
2
0
How can I change the csc with R850XXU1BTK1 software version? My watch is Bluetooth and 41mm

Thanks
 

Lonely_Fox

Member
Dec 4, 2020
6
0
Hoping someone, perhaps @adfree could help me?

I've been looking for suitable files to change my GW3 region but the files i downloaded seemed to be corrupt.

I found adfrees links and downloaded them last night thankfully as i can't find that post now.

I would like to ask, should i use ATF3 or ATF6 files? I don't actually know what ATF3 or ATF6 means.

I bought my watch a week ago from techinthebasket website. 45mm Galaxy Watch 3.

I don't want to use ATF3 if i should be using ATF6. I don't want to use ATF6 if it should be ATF3 so was hoping for some help on that.


EDIT: Ok so I believe that ATF3 and ATF6 are related to firmware versions, yes?
My watch is listed in settings as a Galaxy Watch3 (1FBE)
Model Number: SM-R840
Tizen Version: 5.5.0.1
Software Version: R840XXU1BTI2 .... <----- from Google i have seen R840XXU1... related to ATF6 files.

So am I correct that I need to use ATF6 and not ATF3?
 
Last edited:

tripjnj

Senior Member
Mar 5, 2010
104
13
NJ shore
Hi gang- just a quick question on changing regions. If I change from EUE to XAR, will I be able to receive OTA updates in the future?
 

liya123

Member
May 16, 2016
42
6
Pleven
If I am on the R840XXU1BTK1 software version, can I change the region with the existing COMBINATION-FT55_R840XXU1ATG3.tar.md5 and R840OXA1ATF3_usr?
 

0cool

New member
Mar 22, 2006
1
0
Hi guys, sorry to ask maybe again, but the whole thing is very confusing for me.

I have a galaxy watch 3 LTE, bought in germany. SW Version R845FXXU1CTJ5

I have Samsung Pay on my phone but not on my watch, as it is not yet released in Germany.

How can I get it? This is what I assume:

- Flash adfrees ramdisk and rootfs to the watch

- with sdb change CSC to United kingdom (or does Switzerland also work?)

- flash Stock Rom R845FXXU1ATFB_Tizen_4File_CSC (OXA)

Would that work? Do I use the right versions and files?
 

teeraash8718

New member
Oct 5, 2017
2
0
Hi, I tried to change region of my Galaxy Watch 3, SM-R845F bought in Thailand. I downloaded combination file from easy-firmware for my model and loaded it to my watch as instructed in the youtube technoProz. Of course, Odin failed and now I cannot boot into my watch. I got "Firmware upgrade encountered an issue. Please seclect recovery mode in Kies & try again." I think I need to reinstall stock rom using Odin. But I cannot find stock firmware for my watch model. Please help. So sad.

Or should I try @adfree method by flashing two files, Test_smR845F_rootfs_ONLY.7z.html and TEST_smR845F_ramdisk_ONLY.tar? (is it safe to download the second file as I got warning that the host website is dangerous?).
 
Last edited:

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  • 3
    How To

    Hi guys,
    I want to clarify something I have learned the hard way.
    Change the region in easy, but you should know what is used for.
    Net odin: Is a program that allow you to upload the firmware to your watch.
    Combination firmware: Is a firmware that MUST be installed before doing anything else. It will allow to use sdb tools. You install with Net Odin. It must be the right one for your watch model.
    SDB Tools: This is cmd software that can read two files from your watch and save, "pull "them in your computer. You will need to use the right version (windows, mac ubunto and so on) Once pulled the files, you will mod, with a text editor, the region code and save the files. Then you will upload them to your watch pushing them always with SDB tools "push".
    Firmware: Is the actual working firmware that you will upload to your watch after the operation above. Usually is a packed file containing three files that you will upload using Net Odin
    I hope this helps the ones like me not very familiar with the procedures required.
    Ciao ciao
    1
    I bought the GW3 watch yesterday. Unfortunately I live in Gibraltar which for some unknown reason is considered the backwater of the internet and we are blocked by both Google and Samsung - Google does not let us buy anything from Google Play, although we have found a way around that. Samsung goes a step further and we cannot even browse their store :(

    My question is: I've seen videos on how to change the Active 2 region and I'm wondering if there is a procedure for GW3?

    Until I change the region I will not be able to get any apps installed other than the ones preinstalled in the watch. BTW I also tried the SDB connect and I cannot connect to the watch even changing the port number...
    1
    has anyone figure out the way to change the region from Canada to US?
    1
    @nabobcoffee

    No idea if you read also other threads and posts... or searched...

    Try maybe here:
    https://forum.xda-developers.com/showpost.php?p=83275439&postcount=29

    Check other posts after this...

    Best Regards
    1
    Hi, i have followed TechnoProz video to try change region on my galaxy watch 3 r840. Ive used the file he provided to flash it. Have connected to WIFI, switched bluetooth off, developer mode is on and so is debugging.
    Issue i am having is, when i connect to the watch using SDB, it will not let me turn root on. Permission denied.
    Using Tizen studio device manager, i can pull the files from the watch, modify, but cannot push them back due to permission denied, this says i need to give it permission from the watch, but i cannot see anything else i can do from the watch.
    Can anyone help please, i need to change from region XSG to BTU
    issue has been resolved, thanks to @Kenora_I Anyone else who has the same issue as me, not being able to get root on the watch, follow TechnoProz video, but just use the file below for root control, and the rest is in TechnoProz video.
    Combination Firmware for SM-R840 to have Root Access...
    https://www.file-upload.net/download-14233546/COMBINATION-FT55_R840XXU1ATG3.tar.md5.7z.html

    Now i can see Uk as a region on my watch, samsung pay works, so does samsung health and the normal updates.
    thanks again for the help and support.