Complete Guide- Update Samsung Galaxy Note 8 N950U/N950U1 to Oreo and install unlocked firmware on your carrier branded Note 8.

How to update Samsung Galaxy Note 8 N950U or N950U1 (unlocked) USA Model to Oreo and how to remove all bloatware of carrier branded firmware and install unlocked Samsung note 8 firmware.


Before you proceed, I cannot be held liable for the damage or malfunction of your device using these files. Flashing files from this post will erase the internal storage so back up your files first!

At first this guide is provided by an awesome developer BLUE FOX on XDA Forums. Thanks a lot.

!PLEASE BE SURE TO READ ALL THE INSTRUCTIONS THOROUGHLY AND SEARCH THE POSTS BEFORE ASKING QUESTIONS!





Requirements:-

- Your Note 8 and PC ready to flash
- Remove Samsung Kies/Switch if installed on PC
- Download and extract all required files to a convenient location, keeping all files organized, on PC
- Install Samsung Drivers if not installed
- Edit the "UMS/PATCH" of Odin3.ini file for Odin and Modified Odins from "0" to "1" and save ("Ctrl S")
- Phone's battery must be at least 65% charged.
-Remove or log out of all accounts logged on your device like - google account and Samsung account to avoid FRP lock.


Downloads:

TOOLS: 
Samsung USB Drivers
7-zip
ODIN (For Android OREO)
Odin3_v3.13.1_3B_PatcheD (For flashing Unlocked Firmware on carrier one)
Odin3_v3.13.1 (For Flashing carrier firmware or unlocked firmware)

ODIN FILES TO FLASH (Complete Carrier Firmware):
AT&T (ATT):
Oreo
N950USQU3CRC2

T-Mobile (TMB):
Oreo
N950USQU3CRC2

U.S. Cellular (USC):
Oreo
N950USQU3CRC2

Verizon (VZW):
Oreo
N950USQU3CRC2

Xfinity (CCT):
Oreo
N950USQU3CRC2


Steps:-

Step 1 - Turn OFF your Galaxy Note 8. 
Step 2 - Press and hold the Volume Down + Bixby + Power Buttons.
Step 3 - After the Samsung logo, you will see a screen with a warning sign. Proceed ahead by pressing the Volume Up button.
You are in the Download Mode. If you want to get out of it, simply hold the Volume Up and Power buttons for a few seconds (around 10 sec.) and your phone will reboot normally.
Step 4 – Navigate to extracted Odin folder and right click on the .exe, select Run as administrator.
Step 5 – Connect your device via USB, Odin output should read "Added!!".
Step 6 – Add extracted firmware files (your carrier version, ATT, CCT, SPR, USC, or VZW) in the Odin sections appropriately, BL for BL, AP for AP, CP for CP, CSC for CSC (not HOME_CSC), and UMS for USERDATA.
Step 7 – Ensure that only “Auto Reboot" and "F. Reset Time" are selected under the options tab.
Step 8 – Click log tab and then click the Start button on the bottom right.
Step 9 – Output should be shown in the log, take a break for a few….
Step 10 – If the flash is successful, the top left box will become green and will read PASS.

Your Device can be disconnected..*IT WILL BE ERASED*.

Errors - Failed, SHA256? - Try again after editing config file for UMS/patch from 0 to 1 for USERDATA. If it keeps failing, re-download Firmware and try again. You may also need to boot to Recovery and perform Factory Reset before trying again.

**If any functions or system apps seem glitchy, you may benefit from a factory reset**


Flashing Unlocked Firmware:


Unlocked XAA
*Any carrier can flash this version because your SIM and device CSC code will setup proper carrier info.
Oreo
N950U1UEU3CRC1


Disclaimer - Flashing Unlocked Firmwares will not unlock your device.

Note - If you are flashing Unlocked Firmware from Carrier Firmware you must use Patched Odin otherwise, use regular Odin.

XAA is Factory Unlocked Firmware and will work on all US carriers.
Some carrier features may not work on Unlocked Firmware without modifications.

Step 1 - Turn OFF your Galaxy Note 8. 
Step 2 - Press and hold the Volume Down + Bixby + Power Buttons.
Step 3 - After the Samsung logo, you will see a screen with a warning sign. Proceed ahead by pressing the Volume Up button.
You are in the Download Mode. If you want to get out of it, simply hold the Volume Up and Power buttons for a few seconds (around 10 sec.) and your phone will reboot normally.
Step 4 – Navigate to extracted Odin or Patched Odin folder and right click on the .exe, select Run as administrator.
Step 5 – Connect your device via USB, Odin output should read "Added!!".
Step 6 – Add extracted firmware files (your carrier version of Unlocked or XAA) in the Odin sections appropriately, BL for BL, AP for AP, CP for CP, CSC for CSC (not HOME_CSC).
Step 7 – Ensure that only “Auto Reboot" and "F. Reset Time" are selected under the options tab.
Step 8 – Click log tab and then click the Start button on the bottom right.
Step 9 – Output should be shown in the log, take a break for a few….
Step 10 – If the flash is successful, the top left box will become green and will read PASS.

Your Device can be disconnected..*IT WILL BE ERASED*.

Errors - Failed, SHA256? - Try again after editing config file for UMS/patch from 0 to 1 for USERDATA to write as well as using Patched Odin. If it keeps failing, re-download Firmware and try again. You may also need to boot to Recovery and perform Factory Reset before trying again.

*If you are going to proceed to flash carrier CSC and USERDATA files for carrier functions, please make sure that they are from the appropriate SM-N950U carrier before proceeding...*


**If any functions or system apps seem glitchy, you may benefit from a factory reset**

For any doubts or queries feel free to comment and ask.
Complete Guide- Update Samsung Galaxy Note 8 N950U/N950U1 to Oreo and install unlocked firmware on your carrier branded Note 8. Complete Guide- Update Samsung Galaxy Note 8 N950U/N950U1 to Oreo and install unlocked firmware on your carrier branded Note 8. Reviewed by Arpit Arora on April 29, 2018 Rating: 5

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