Samsung Galaxy M54 5G (SM-M546B) Firmware Overview
What is the latest SM-M546B firmware?
M546BXXSFFZH3, released August 22, 2026 with Android 16. It is a security update on bootloader binary 15. The archive holds 95 official builds across 17 regions (CSC).
Is the Samsung Galaxy M54 5G still getting updates?
Yes. The newest build is from August 2026, and 17 of 17 regions already have a build from that month; the rest usually follow within a few weeks.
Can I downgrade the SM-M546B firmware?
Only to builds with the same bootloader binary (the Bit column) or higher. In the archive the binary of this model rose from 9 to 15:
- Binary 15 — since Aug 2026
- Binary 14 — since Jul 2026
- Binary 13 — since Jun 2026
- Binary 12 — since Apr 2026
- Binary 11 — since Feb 2026
- Binary 10 — since Jan 2026
- Binary 9 — since Oct 2025
A phone already on binary 15 rejects builds with a lower binary in Odin ("SW REV CHECK FAIL"), so it can go back to an earlier Android version only if that version has a binary 15 build. How to read a build number.
All SM-M546B firmware builds
| Build / PDA | Bit | Region (CSC) | Android | Date | Download Link |
|---|---|---|---|---|---|
|
M546BXXSFFZH3
Security update
|
15 | PEO | 16 |
2026-08-22 | Download |
|
M546BXXSFFZH3
Security update
|
15 | ZTO | 16 |
2026-08-22 | Download |
|
M546BXXSFFZH3
Security update
|
15 | COO | 16 |
2026-08-22 | Download |
|
M546BXXSFFZH3
Security update
|
15 | MXD | 16 |
2026-08-22 | Download |
|
M546BXXSFFZH3
Security update
|
15 | CHO | 16 |
2026-08-22 | Download |
|
M546BXXSFFZH3
Security update
|
15 | ILO | 16 |
2026-08-21 | Download |
|
M546BXXSFFZH3
Security update
|
15 | XSG | 16 |
2026-08-21 | Download |
|
M546BXXSFFZH3
Security update
|
15 | KSA | 16 |
2026-08-21 | Download |
|
M546BXXSFFZH3
Security update
|
15 | MID | 16 |
2026-08-21 | Download |
|
M546BXXSFFZH3
Security update
|
15 | MWD | 16 |
2026-08-21 | Download |
|
M546BXXSFFZH3
Security update
|
15 | ILP | 16 |
2026-08-21 | Download |
|
M546BXXSFFZH3
Security update
|
15 | XID | 16 |
2026-08-21 | Download |
|
M546BXXSFFZH3
Security update
|
15 | XME | 16 |
2026-08-21 | Download |
|
M546BXXSFFZH3
Security update
|
15 | XXV | 16 |
2026-08-21 | Download |
|
M546BXXSFFZH3
Security update
|
15 | XNZ | 16 |
2026-08-21 | Download |
|
M546BXXSFFZH3
Security update
|
15 | THL | 16 |
2026-08-21 | Download |
|
M546BXXSFFZH3
Security update
|
15 | MYM | 16 |
2026-08-21 | Download |
|
M546BXXSEFZG3
Security update
|
14 | CHO | 16 |
2026-07-18 | Download |
|
M546BXXSEFZG3
Security update
|
14 | ZTO | 16 |
2026-07-18 | Download |
|
M546BXXSEFZG3
Security update
|
14 | COO | 16 |
2026-07-18 | Download |
|
M546BXXSEFZG3
Security update
|
14 | PEO | 16 |
2026-07-18 | Download |
|
M546BXXSEFZG3
Security update
|
14 | MXD | 16 |
2026-07-18 | Download |
|
M546BXXSEFZG3
Security update
|
14 | XXV | 16 |
2026-07-17 | Download |
|
M546BXXSEFZG3
Security update
|
14 | XSG | 16 |
2026-07-17 | Download |
|
M546BXXSEFZG3
Security update
|
14 | KSA | 16 |
2026-07-17 | Download |
|
M546BXXSEFZG3
Security update
|
14 | MID | 16 |
2026-07-17 | Download |
|
M546BXXSEFZG3
Security update
|
14 | MWD | 16 |
2026-07-17 | Download |
|
M546BXXSEFZG3
Security update
|
14 | ILP | 16 |
2026-07-17 | Download |
|
M546BXXSEFZG3
Security update
|
14 | ILO | 16 |
2026-07-17 | Download |
|
M546BXXSEFZG3
Security update
|
14 | XNZ | 16 |
2026-07-17 | Download |
|
M546BXXSEFZG3
Security update
|
14 | XME | 16 |
2026-07-17 | Download |
|
M546BXXSEFZG3
Security update
|
14 | THL | 16 |
2026-07-17 | Download |
|
M546BXXSEFZG3
Security update
|
14 | MYM | 16 |
2026-07-17 | Download |
|
M546BXXSEFZG3
Security update
|
14 | XID | 16 |
2026-07-17 | Download |
|
M546BXXSDFZF1
Security update
|
13 | XID | 16 |
2026-06-18 | Download |
|
M546BXXUCFZE5
Feature update
|
12 | MXD | 16 |
2026-05-16 | Download |
|
M546BXXUCFZE5
Feature update
|
12 | ZTO | 16 |
2026-05-16 | Download |
|
M546BXXUCFZE5
Feature update
|
12 | PEO | 16 |
2026-05-16 | Download |
|
M546BXXUCFZE5
Feature update
|
12 | CHO | 16 |
2026-05-16 | Download |
|
M546BXXUCFZE5
Feature update
|
12 | COO | 16 |
2026-05-16 | Download |
|
M546BXXUCFZE5
Feature update
|
12 | XID | 16 |
2026-05-15 | Download |
|
M546BXXUCFZE5
Feature update
|
12 | ILO | 16 |
2026-05-14 | Download |
|
M546BXXUCFZE5
Feature update
|
12 | XSG | 16 |
2026-05-14 | Download |
|
M546BXXUCFZE5
Feature update
|
12 | MYM | 16 |
2026-05-14 | Download |
|
M546BXXUCFZE5
Feature update
|
12 | XXV | 16 |
2026-05-14 | Download |
|
M546BXXUCFZE5
Feature update
|
12 | THL | 16 |
2026-05-14 | Download |
|
M546BXXUCFZE5
Feature update
|
12 | XNZ | 16 |
2026-05-14 | Download |
|
M546BXXUCFZE5
Feature update
|
12 | XME | 16 |
2026-05-14 | Download |
|
M546BXXUCFZE5
Feature update
|
12 | KSA | 16 |
2026-05-14 | Download |
|
M546BXXUCFZE5
Feature update
|
12 | MID | 16 |
2026-05-14 | Download |
|
M546BXXUCFZE5
Feature update
|
12 | MWD | 16 |
2026-05-14 | Download |
|
M546BXXUCFZE5
Feature update
|
12 | ILP | 16 |
2026-05-14 | Download |
|
M546BXXSCEZD3
Security update
|
12 | PEO | 16 |
2026-05-05 | Download |
|
M546BXXSCEZD3
Security update
|
12 | COO | 16 |
2026-05-05 | Download |
|
M546BXXSCEZD3
Security update
|
12 | CHO | 16 |
2026-05-05 | Download |
|
M546BXXSCEZD3
Security update
|
12 | ZTO | 16 |
2026-05-05 | Download |
|
M546BXXSCEZD3
Security update
|
12 | MXD | 16 |
2026-05-05 | Download |
|
M546BXXSCEZD3
Security update
|
12 | ILP | 16 |
2026-05-04 | Download |
|
M546BXXSBEZB4
Security update
|
11 | CHO | 16 |
2026-03-11 | Download |
|
M546BXXSBEZB4
Security update
|
11 | COO | 16 |
2026-03-11 | Download |
|
M546BXXSBEZB4
Security update
|
11 | PEO | 16 |
2026-03-11 | Download |
|
M546BXXSBEZB4
Security update
|
11 | MXD | 16 |
2026-03-11 | Download |
|
M546BXXSBEZB4
Security update
|
11 | ZTO | 16 |
2026-03-10 | Download |
|
M546BXXSBEZB4
Security update
|
11 | MYM | 16 |
2026-03-09 | Download |
|
M546BXXSBEZB4
Security update
|
11 | XNZ | 16 |
2026-03-09 | Download |
|
M546BXXSBEZB4
Security update
|
11 | THL | 16 |
2026-03-09 | Download |
|
M546BXXSBEZB4
Security update
|
11 | XME | 16 |
2026-03-09 | Download |
|
M546BXXSBEZB5
Security update
|
11 | XID | 16 |
2026-03-09 | Download |
|
M546BXXSBEZB4
Security update
|
11 | ILP | 16 |
2026-03-09 | Download |
|
M546BXXSBEZB4
Security update
|
11 | MID | 16 |
2026-03-09 | Download |
|
M546BXXSBEZB4
Security update
|
11 | XSG | 16 |
2026-03-09 | Download |
|
M546BXXSBEZB4
Security update
|
11 | MWD | 16 |
2026-03-09 | Download |
|
M546BXXSBEZB4
Security update
|
11 | ILO | 16 |
2026-03-09 | Download |
|
M546BXXSBEZB4
Security update
|
11 | KSA | 16 |
2026-03-09 | Download |
|
M546BXXSBEZB4
Security update
|
11 | XXV | 16 |
2026-03-05 | Download |
|
M546BXXSAEZA5
Security update
|
10 | CHO | 16 |
2026-02-19 | Download |
|
M546BXXSAEZA5
Security update
|
10 | PEO | 16 |
2026-02-03 | Download |
|
M546BXXSAEZA5
Security update
|
10 | COO | 16 |
2026-02-03 | Download |
|
M546BXXSAEZA5
Security update
|
10 | MXD | 16 |
2026-02-03 | Download |
|
M546BXXSAEZA5
Security update
|
10 | ZTO | 16 |
2026-02-03 | Download |
|
M546BXXSAEZA5
Security update
|
10 | KSA | 16 |
2026-02-02 | Download |
|
M546BXXSAEZA5
Security update
|
10 | XSG | 16 |
2026-02-02 | Download |
|
M546BXXSAEZA5
Security update
|
10 | ILO | 16 |
2026-02-02 | Download |
|
M546BXXSAEZA5
Security update
|
10 | ILP | 16 |
2026-02-02 | Download |
|
M546BXXSAEZA5
Security update
|
10 | MID | 16 |
2026-02-02 | Download |
|
M546BXXSAEZA5
Security update
|
10 | MWD | 16 |
2026-02-02 | Download |
|
M546BXXSAEZA6
Security update
|
10 | XID | 16 |
2026-01-29 | Download |
|
M546BXXSAEZA5
Security update
|
10 | MYM | 16 |
2026-01-28 | Download |
|
M546BXXSAEZA5
Security update
|
10 | XME | 16 |
2026-01-28 | Download |
|
M546BXXSAEZA5
Security update
|
10 | THL | 16 |
2026-01-28 | Download |
|
M546BXXSAEZA5
Security update
|
10 | XNZ | 16 |
2026-01-28 | Download |
|
M546BXXSAEZA5
Security update
|
10 | XXV | 16 |
2026-01-27 | Download |
|
M546BXXS9EYJ5
Security update
|
9 | CHO | 16 |
2025-11-13 | Download |
|
M546BXXS9EYJ5
Security update
|
9 | ILP | 16 |
2025-11-03 | Download |
|
M546BXXS9EYJ5
Security update
|
9 | ILO | 16 |
2025-11-03 | Download |
Latest SM-M546B 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 |
|---|---|---|---|---|
| CHO | M546BXXSFFZH3 | 15 | 16 | 2026-08-22 |
| COO | M546BXXSFFZH3 | 15 | 16 | 2026-08-22 |
| ILO | M546BXXSFFZH3 | 15 | 16 | 2026-08-21 |
| ILP | M546BXXSFFZH3 | 15 | 16 | 2026-08-21 |
| KSA | M546BXXSFFZH3 | 15 | 16 | 2026-08-21 |
| MID | M546BXXSFFZH3 | 15 | 16 | 2026-08-21 |
| MWD | M546BXXSFFZH3 | 15 | 16 | 2026-08-21 |
| MXD | M546BXXSFFZH3 | 15 | 16 | 2026-08-22 |
| MYM | M546BXXSFFZH3 | 15 | 16 | 2026-08-21 |
| PEO | M546BXXSFFZH3 | 15 | 16 | 2026-08-22 |
| THL | M546BXXSFFZH3 | 15 | 16 | 2026-08-21 |
| XID | M546BXXSFFZH3 | 15 | 16 | 2026-08-21 |
| XME | M546BXXSFFZH3 | 15 | 16 | 2026-08-21 |
| XNZ | M546BXXSFFZH3 | 15 | 16 | 2026-08-21 |
| XSG | M546BXXSFFZH3 | 15 | 16 | 2026-08-21 |
| XXV | M546BXXSFFZH3 | 15 | 16 | 2026-08-21 |
| ZTO | M546BXXSFFZH3 | 15 | 16 | 2026-08-22 |
How to Flash SM-M546B Firmware
Put the Samsung Galaxy M54 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 15 or higher if your phone is already on the latest firmware. Use HOME_CSC to keep your data, CSC for a full wipe.