Samsung SM-G981B Firmware Overview
What is the latest SM-G981B firmware?
G981BXXSNHYB1, released March 31, 2025 for region O2U with Android 13. It is a security update on bootloader binary 23. The archive holds 1 official build for this region.
Is the Samsung SM-G981B still getting updates?
Most likely not: there has been no new firmware since March 2025, so Android 13 is the last version this model got. The final builds below are still the best choice for a clean reinstall.
Can I downgrade the SM-G981B firmware?
Only to builds with the same bootloader binary (the Bit column) or higher. All decodable builds in the archive share binary 23:
- Binary 23 — since Feb 2025
SM-G981B firmware for region O2U
| Build / PDA | Bit | Region (CSC) | Android | Date | Download Link |
|---|---|---|---|---|---|
|
G981BXXSNHYB1
Security update
|
23 | O2U | 13 |
2025-03-31 | Download |
How to Flash SM-G981B Firmware
Put the Samsung SM-G981B into Download Mode, load the BL, AP, CP and CSC files into Odin on a Windows PC and press Start. Pick a build with Bit 23 or higher if your phone is already on the latest firmware. Use HOME_CSC to keep your data, CSC for a full wipe.