[Samsung Galaxy Watch 3] bombicri:
(Continuation of the procedure)

10) Run "NetOdin3.exe", the program window opens.

11) In Odin click on the “AP” button:

a) Select from the folder “COMBINATION-FT55_R840XXU1ATG3.tar.md5.7z” the file:

i) "COMBINATION-FT55_R840XXU1ATG3.tar.md5"

b) We look at the watch screen and wait for the downloading process to complete.

c) The watch will reboot

12) On the watch:

a) go to “Settings” / “Connections” / “WiFi” and choose “WiFi always ON”

b) we go to “WiFi networks” / “Storm fiber” / “IP Address” and copy the IP address, we will need it later

c) We do "Reboot" by long pressing the "Power" button, the one below. After Reboot the watch will be connected in the same WiFi network as the laptop.

13) Go to the folder "SDBstarterKidv1", the subfolder corresponding to the operating system, to me "Windows 64":

a) We open the "date”

b) We open “tools”

c) We run “ansicon.exe”

d) In the window that appears:

i) type the command: “sdb connect [IP address I copied before]” (square brackets will not appear in the command) followed by “Enter”, a confirmation message “connected to…” appears

ii) press the command "sdb root on" followed by "Enter", a confirmation message "Switched to root account mode" appears

iii) we type the command “sdb pull /csa/csc/csc-active-customer.inf” followed by “Enter”, a confirmation message appears and a new file called “csc-active-customer.inf” will appear in the subfolder

iv) we type the command “sdb pull /csa/imei/prodcode.dat” followed by “Enter”, a confirmation message appears and a new file called “prodcode.dat” will appear in the subfolder

v) Go back to subfolder window

14) Open the file "csc-active-customer.inf" with notepad and edit the three letters of the country code, I want it to be US so the three letters will be "XAR". Save. CSC country codes you can find at: https://www.youtube.com/redirect?ev...Wm54bXpLWFRGY0lRNA==&q=https://xdaforums.com% 2Fsmartwatch% 2Fgalaxy-watch% 2Fgalaxy-watch-CSF-details-t3934522

15) Open the file "prodcode.dat" with notepad and edit the last three letters, I want US so I will put "XAR". Save.

16) Come back to "ansicon" window to send these last two files to the watch using the "push" commands:

a) type the command “sdb push csc-active-customer.inf / csa / csc /” followed by “Enter”, a confirmation message appears

b) we type the command “sdb push prodcode.dat / csa / imei /” followed by “Enter”, a confirmation message appears

17) On the watch - reboot in download mode by simultaneously pressing the two buttons.

a) Select "Download (Wireless)"

b) Long press "power" until a star appears in the middle of the screen and the text "Wireless download, do not turn off target!!”

c) Double-click "power" to select "WPS mode". Now the watch works as a hot-spot

d) Search on the laptop for available wireless networks and select RM-840 and connect it

e) Run "NetOdin3.exe", the program window opens.

f) Enter the stock files in Odin from the “Stock Firmware SMR840” folder:

i) AP_R840XXU1ATF3_usr.tar.md5

ii) BL_R840XXU1ATF3_usr.tar.md5

iii) CSC_OXA_R840OXA1ATF3_usr.tar.md5

18) Start the flashing process by pressing the "Start" button in Odin. Wait for the process to finish and the watch will reboot

19) We now have a watch with stock firmware for the US and we will be able to see the "Samsung Pay" application installed.