Note 9 SM N960U1 official Firmware Convert to USA Unlocked FREE DOWNLOAD
Pie (N960U1UES1CSD1) download link is here

Download here
Oreo (N960U1UEU1ARL1)

Download here

Download here
Patched Odin

Download here

Download here
As a precaution, I recommend removing your SIM card and SD card before flashing!
THIS WILL RESET YOUR PHONE!
Firstly, Download the modified Odin below as well as the firmware of your choice, there's 2, The latest version of Pie, and the highest version of Oreo that you can get without going to Pie.
All downloads will be labeled.
Step 1. Ensure that you have the Samsung drivers for mobile devices installed (which will also be linked below.)
Step 2.Extract the Firmware Zip that you downloaded, Open the modified Odin and click on the BL box, Then select the corresponding BL file.
Click the AP box and select the AP file, Do the same with the CP and CSC files by putting the matching file name into the corresponding boxes.
Step 3.Ensure USB Debugging is enabled and then shut down the phone. Then hold (In this order) Volume Down, Bixby, and Power button until you get to the Download mode warning screen.
Press the Volume Up button.
Step 4. Plug in the phone, and check Odin to ensure you see a blue box that says COM (also has a number at the end)
Step 5.Press Start in Odin and wait till you see pass, if it says PASS, The flash was successful and within about 10 minutes your phone will boot into the welcome screen.

Download here
As a precaution, I recommend removing your SIM card and SD card before flashing!
THIS WILL RESET YOUR PHONE!
Firstly, Download the modified Odin below as well as the firmware of your choice, there's 2, The latest version of Pie, and the highest version of Oreo that you can get without going to Pie.
All downloads will be labeled.
Step 1. Ensure that you have the Samsung drivers for mobile devices installed (which will also be linked below.)
Step 2.Extract the Firmware Zip that you downloaded, Open the modified Odin and click on the BL box, Then select the corresponding BL file.
Click the AP box and select the AP file, Do the same with the CP and CSC files by putting the matching file name into the corresponding boxes.
Step 3.Ensure USB Debugging is enabled and then shut down the phone. Then hold (In this order) Volume Down, Bixby, and Power button until you get to the Download mode warning screen.
Press the Volume Up button.
Step 4. Plug in the phone, and check Odin to ensure you see a blue box that says COM (also has a number at the end)
Step 5.Press Start in Odin and wait till you see pass, if it says PASS, The flash was successful and within about 10 minutes your phone will boot into the welcome screen.
THIS WILL RESET YOUR PHONE!
Firstly, Download the modified Odin below as well as the firmware of your choice, there's 2, The latest version of Pie, and the highest version of Oreo that you can get without going to Pie.
All downloads will be labeled.
Step 1. Ensure that you have the Samsung drivers for mobile devices installed (which will also be linked below.)
Step 2.Extract the Firmware Zip that you downloaded, Open the modified Odin and click on the BL box, Then select the corresponding BL file.
Click the AP box and select the AP file, Do the same with the CP and CSC files by putting the matching file name into the corresponding boxes.
Step 3.Ensure USB Debugging is enabled and then shut down the phone. Then hold (In this order) Volume Down, Bixby, and Power button until you get to the Download mode warning screen.
Press the Volume Up button.
Step 4. Plug in the phone, and check Odin to ensure you see a blue box that says COM (also has a number at the end)
Step 5.Press Start in Odin and wait till you see pass, if it says PASS, The flash was successful and within about 10 minutes your phone will boot into the welcome screen.