Samsung Galaxy S20 Ultra 5G (SM-G988B) Firmware Overview
What is the latest SM-G988B firmware?
G988BXXSNHYB1, released April 23, 2025 with Android 13. It is a security update on bootloader binary 23. The archive holds 20 official builds across 20 regions (CSC). Each one is the full stock ROM (flash file) for Odin, not an OTA patch.
Is the Samsung Galaxy S20 Ultra 5G 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-G988B 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
All SM-G988B firmware builds
| Build / PDA | Bit | Region (CSC) | Android | Date | Download Link |
|---|---|---|---|---|---|
|
G988BXXSNHYB1
Security update
|
23 | ANC | 13 |
2025-04-23 | Download |
|
G988BXXSNHYB9
Security update
|
23 | UNE | 13 |
2025-04-15 | Download |
|
G988BXXSNHYB9
Security update
|
23 | IUS | 13 |
2025-04-15 | Download |
|
G988BXXSNHYB1
Security update
|
23 | CHX | 13 |
2025-04-15 | Download |
|
G988BXXSNHYB1
Security update
|
23 | DOR | 13 |
2025-04-15 | Download |
|
G988BXXSNHYB1
Security update
|
23 | CHE | 13 |
2025-04-15 | Download |
|
G988BXXSNHYB1
Security update
|
23 | ICE | 13 |
2025-04-15 | Download |
|
G988BXXSNHYB1
Security update
|
23 | PNT | 13 |
2025-04-15 | Download |
|
G988BXXSNHYB1
Security update
|
23 | BAT | 13 |
2025-04-15 | Download |
|
G988BXXSNHYB1
Security update
|
23 | CTE | 13 |
2025-04-11 | Download |
|
G988BXXSNHYB1
Security update
|
23 | ETE | 13 |
2025-04-11 | Download |
|
G988BXXSNHYB1
Security update
|
23 | CDR | 13 |
2025-04-11 | Download |
|
G988BXXSNHYB1
Security update
|
23 | PGU | 13 |
2025-04-11 | Download |
|
G988BXXSNHYB1
Security update
|
23 | COM | 13 |
2025-04-11 | Download |
|
G988BXXSNHYB1
Security update
|
23 | PET | 13 |
2025-04-11 | Download |
|
G988BXXSNHYB1
Security update
|
23 | TCE | 13 |
2025-04-11 | Download |
|
G988BXXSNHYB1
Security update
|
23 | CPA | 13 |
2025-04-11 | Download |
|
G988BXXSNHYB1
Security update
|
23 | CHL | 13 |
2025-04-11 | Download |
|
G988BXXSNHYB1
Security update
|
23 | ECO | 13 |
2025-04-11 | Download |
|
G988BXXSNHYB1
Security update
|
23 | CRC | 13 |
2025-04-11 | Download |
Latest SM-G988B 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 |
|---|---|---|---|---|
| ANC | G988BXXSNHYB1 | 23 | 13 | 2025-04-23 |
| BAT | G988BXXSNHYB1 | 23 | 13 | 2025-04-15 |
| CDR | G988BXXSNHYB1 | 23 | 13 | 2025-04-11 |
| CHE | G988BXXSNHYB1 | 23 | 13 | 2025-04-15 |
| CHL | G988BXXSNHYB1 | 23 | 13 | 2025-04-11 |
| CHX | G988BXXSNHYB1 | 23 | 13 | 2025-04-15 |
| COM | G988BXXSNHYB1 | 23 | 13 | 2025-04-11 |
| CPA | G988BXXSNHYB1 | 23 | 13 | 2025-04-11 |
| CRC | G988BXXSNHYB1 | 23 | 13 | 2025-04-11 |
| CTE | G988BXXSNHYB1 | 23 | 13 | 2025-04-11 |
| DOR | G988BXXSNHYB1 | 23 | 13 | 2025-04-15 |
| ECO | G988BXXSNHYB1 | 23 | 13 | 2025-04-11 |
| ETE | G988BXXSNHYB1 | 23 | 13 | 2025-04-11 |
| ICE | G988BXXSNHYB1 | 23 | 13 | 2025-04-15 |
| IUS | G988BXXSNHYB9 | 23 | 13 | 2025-04-15 |
| PET | G988BXXSNHYB1 | 23 | 13 | 2025-04-11 |
| PGU | G988BXXSNHYB1 | 23 | 13 | 2025-04-11 |
| PNT | G988BXXSNHYB1 | 23 | 13 | 2025-04-15 |
| TCE | G988BXXSNHYB1 | 23 | 13 | 2025-04-11 |
| UNE | G988BXXSNHYB9 | 23 | 13 | 2025-04-15 |
How to Flash SM-G988B Firmware
Put the Samsung Galaxy S20 Ultra 5G 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.