
Samsung Galaxy Note20 5G
The latest firmware for Samsung Galaxy Note20 5G (SM-N981B) is N981BXXSIHYH3 with Android 13, released on September 1, 2025 for 81 regions (CSC). Every official firmware build for SM-N981B, newest first: one row per build with all regions (CSC) that received it.
Each firmware build has its own page at https://samfirm.shop/build/{PDA}, where {PDA} is the build number from the list above. Example: https://samfirm.shop/build/N981BXXSIHYH3
SM-N981B started on Android 10 and has received 3 major Android upgrades; it now runs Android 13. The newest build, N981BXXSIHYH3, was released on September 1, 2025 with the August 2025 security patch. That patch (SMR Aug-2025) fixes 36 vulnerabilities, 1 of them critical. No new build has appeared for 14 months, so regular updates for this model have most likely ended. Builds of this model reach 82 regions (CSC); AUT (Switzerland) usually gets a new build first (93% of recent builds).
• Security
The device is protected with improved security.
These changes may vary depending on the model, country, or network operator of the customer environment.
• Security
The device is protected with improved security.
• The security of your device has been improved.
• Security
The device is protected with improved security.
• The security of your device has been improved.
• Overall stability of your device has been improved.
• The security of your device has been improved.
• The security of your device has been improved.
• Overall stability of your device has been improved.
• The security of your device has been improved.
• The security of your device has been improved.
• Overall stability of your device has been improved.
• The security of your device has been improved.
• Stability and reliability
Device behavior has been improved.
• Security
The device is protected with improved security.
• The security of your device has been improved.
• Overall stability of your device has been improved.
• The security of your device has been improved.
• The security of your device has been improved.
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.
• Stability and reliability
Device behavior has been improved.
• Security
The device is protected with improved security.
• The security of your device has been improved.
• The Camera and Gallery functions have been improved.
• Security
The device is protected with improved security.
• The security of your device has been improved.
• The Camera and Gallery functions have been improved.
• Security
The device is protected with improved security.
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.
Box codes of SM-N981B for different colors and markets. Firmware is chosen by the model code SM-N981B and your region (CSC), not by the SKU.

SM-N981W

SM-N986W

SM-N985F

SM-N980F

SM-N976V
The newest firmware for SM-N981B runs Android 13: build N981BXXSIHYH3, released on September 1, 2025.
The latest build for SM-N981B, N981BXXSIHYH3, was released on September 1, 2025 (1 year ago).
SM-N981B has had no new firmware for 14 months, so regular updates have most likely ended.
Yes, all firmware files for SM-N981B are 100% official, original, and obtained directly from Samsung servers.
To flash SM-N981B, you need to download the appropriate firmware, put your device into Download Mode, and use the Odin tool to load the BL, AP, CP, and CSC files.
Downgrading is only possible if the bootloader version (binary bit) of the old firmware matches the current one. Always check the binary version before flashing SM-N981B.