Samsung Galaxy Note 20 Ultra 5G SM-N986N firmware download with product code KOO region Korea. SM-N986N firmware has version number PDA N986NKSU1CUB6 and CSC  N986NOKR1CUB6. The operating system of Samsung Galaxy Note 20 Ultra 5G SM-N986N firmware is Android 11, with build date 08 Feb 2021 Security patch level date is 01 Feb 2021, with changelist 20936746.

Device Name Galaxy Note 20 Ultra 5G
Model No. SM-N986N
Region KOO-Korea
PDA Version N986NKSU1CUB6
CSC Version  N986NOKR1CUB6
Changelist 20936746
Firmware Build Date 08-02-2021
Security Patch Level 01-02-2021
Os Version Android 11
File Size 6.10 GB

Flashing Guide

Follow just these seven step quiet simple and easy.

  1. Download and extract a zip firmware file.
  2. Just Odin Tool open it.
  3. Go to Boot your device using Download Mode.
  4. Then, you press and hold the Volume Up and the Power buttons at the same time for 4-5 seconds.
  5. After, connect the computer with a device through the USB cable. Check the “Auto Reboot” and “Reset Time” options available in Odin Tool.
  6. Click the AP/PDA button and select a tar.md5 file from the extracted folder.
  7. Next, press the start button to continue the Flash firmware process update on your device.

For complete guide Samsung flashing with odin click here.


First of all, you must take a backup user’s important data in an external drive or In your PC. Cause, the flashing process erased all of your mobile user data.

Please make sure that you download the correct firmware for your device. If you are using Samsung devices, you can check the device model number located in the setting- About. Along, you get Download mode on the backside of your Samsung device.

Droidhelper will not responsible for any damage caused by using the Samsung Galaxy Note 20 Ultra 5G SM-N986N firmware download firmware file. Because we don’t edit or custom these files. This firmware released on the official Samsung website.

Leave a Reply

Your email address will not be published. Required fields are marked *