Samsung SM-G981U1 Firmware Overview
What is the latest SM-G981U1 firmware?
G981U1UESCHYC1, released April 3, 2025 with Android 13. It is a security update on bootloader binary 12. The archive holds 20 official builds across 20 regions (CSC).
Is the Samsung SM-G981U1 still getting updates?
Most likely not: there has been no new firmware since April 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-G981U1 firmware?
Only to builds with the same bootloader binary (the Bit column) or higher. All decodable builds in the archive share binary 12:
- Binary 12 — since Mar 2025
All SM-G981U1 firmware builds
| Build / PDA | Bit | Region (CSC) | Android | Date | Download Link |
|---|---|---|---|---|---|
|
G981U1UESCHYC1
Security update
|
12 | XAS | 13 |
2025-04-03 | Download |
|
G981U1UESCHYC1
Security update
|
12 | XAR | 13 |
2025-04-03 | Download |
|
G981U1UESCHYC1
Security update
|
12 | AIO | 13 |
2025-04-03 | Download |
|
G981U1UESCHYC1
Security update
|
12 | VZW | 13 |
2025-04-03 | Download |
|
G981U1UESCHYC1
Security update
|
12 | LRA | 13 |
2025-04-03 | Download |
|
G981U1UESCHYC1
Security update
|
12 | DSH | 13 |
2025-04-03 | Download |
|
G981U1UESCHYC1
Security update
|
12 | TFN | 13 |
2025-04-03 | Download |
|
G981U1UESCHYC1
Security update
|
12 | ATC | 13 |
2025-04-03 | Download |
|
G981U1UESCHYC1
Security update
|
12 | FKR | 13 |
2025-04-03 | Download |
|
G981U1UESCHYC1
Security update
|
12 | TMB | 13 |
2025-04-03 | Download |
|
G981U1UESCHYC1
Security update
|
12 | BST | 13 |
2025-04-03 | Download |
|
G981U1UESCHYC1
Security update
|
12 | TMK | 13 |
2025-04-03 | Download |
|
G981U1UESCHYC1
Security update
|
12 | SPR | 13 |
2025-04-03 | Download |
|
G981U1UESCHYC1
Security update
|
12 | XAA | 13 |
2025-04-03 | Download |
|
G981U1UESCHYC1
Security update
|
12 | ATT | 13 |
2025-04-03 | Download |
|
G981U1UESCHYC1
Security update
|
12 | XAG | 13 |
2025-04-03 | Download |
|
G981U1UESCHYC1
Security update
|
12 | CHA | 13 |
2025-04-03 | Download |
|
G981U1UESCHYC1
Security update
|
12 | USC | 13 |
2025-04-03 | Download |
|
G981U1UESCHYC1
Security update
|
12 | ACG | 13 |
2025-04-03 | Download |
|
G981U1UESCHYC1
Security update
|
12 | CCT | 13 |
2025-04-03 | Download |
Latest SM-G981U1 Firmware by Region
The newest build for each region (CSC) code. Not sure which region your phone uses? See the CSC code guide.
| Region | Latest build | Bit | Android | Date |
|---|---|---|---|---|
| ACG | G981U1UESCHYC1 | 12 | 13 | 2025-04-03 |
| AIO | G981U1UESCHYC1 | 12 | 13 | 2025-04-03 |
| ATC | G981U1UESCHYC1 | 12 | 13 | 2025-04-03 |
| ATT | G981U1UESCHYC1 | 12 | 13 | 2025-04-03 |
| BST | G981U1UESCHYC1 | 12 | 13 | 2025-04-03 |
| CCT | G981U1UESCHYC1 | 12 | 13 | 2025-04-03 |
| CHA | G981U1UESCHYC1 | 12 | 13 | 2025-04-03 |
| DSH | G981U1UESCHYC1 | 12 | 13 | 2025-04-03 |
| FKR | G981U1UESCHYC1 | 12 | 13 | 2025-04-03 |
| LRA | G981U1UESCHYC1 | 12 | 13 | 2025-04-03 |
| SPR | G981U1UESCHYC1 | 12 | 13 | 2025-04-03 |
| TFN | G981U1UESCHYC1 | 12 | 13 | 2025-04-03 |
| TMB | G981U1UESCHYC1 | 12 | 13 | 2025-04-03 |
| TMK | G981U1UESCHYC1 | 12 | 13 | 2025-04-03 |
| USC | G981U1UESCHYC1 | 12 | 13 | 2025-04-03 |
| VZW | G981U1UESCHYC1 | 12 | 13 | 2025-04-03 |
| XAA | G981U1UESCHYC1 | 12 | 13 | 2025-04-03 |
| XAG | G981U1UESCHYC1 | 12 | 13 | 2025-04-03 |
| XAR | G981U1UESCHYC1 | 12 | 13 | 2025-04-03 |
| XAS | G981U1UESCHYC1 | 12 | 13 | 2025-04-03 |
How to Flash SM-G981U1 Firmware
Put the Samsung SM-G981U1 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 12 or higher if your phone is already on the latest firmware. Use HOME_CSC to keep your data, CSC for a full wipe.