A546EXXSNFZI1 – Galaxy A54 5G firmware
Build A546EXXSNFZI1 is a security update for the Galaxy A54 5G (SM-A546E)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Sep 23, 2026 (method) and has reached
80 regions so far. It raises the bootloader bit from 22 to 23: once installed, the device no longer accepts firmware with bit 22 or lower, so a downgrade to A546EXXSMFZH5 is blocked. Samsung still serves this file.
- Model
- SM-A546E
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 23
- First released
- Sep 23, 2026
- Regions
- 80
Rollout timeline by region
The date each region code (CSC) first received A546EXXSNFZI1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
GLB | Philippines (Globe) | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOLMNFZI1/A546EXXSNFZI1 |
MM1 | Singapore (M1) | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOLMNFZI1/A546EXXSNFZI1 |
MYM | Myanmar | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOLMNFZI1/A546EXXSNFZI1 |
OPS | Australia (Optus) | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOLMNFZI1/A546EXXSNFZI1 |
SIN | Singapore (Singtel) | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOLMNFZI1/A546EXXSNFZI1 |
STH | Singapore (StarHub) | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOLMNFZI1/A546EXXSNFZI1 |
TEL | Australia (Telstra) | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOLMNFZI1/A546EXXSNFZI1 |
THL | Thailand | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOLMNFZI1/A546EXXSNFZI1 |
XID | Indonesia | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOLENFZI1/A546EXXSNFZI1 |
XNZ | New Zealand | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOLMNFZI1/A546EXXSNFZI1 |
XSA | Australia | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOLMNFZI1/A546EXXSNFZI1 |
XSP | Singapore | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOLMNFZI1/A546EXXSNFZI1 |
XTC | Philippines | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOLMNFZI1/A546EXXSNFZI1 |
XXV | Vietnam | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOLMNFZI1/A546EXXSNFZI1 |
XME | Malaysia | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOLMNFZI1/A546EXXSNFZI1 |
ACR | Ghana | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOJMNFZI1/A546EXXSNFZI1 |
AFG | Afghanistan | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOJMNFZI1/A546EXXSNFZI1 |
AFR | Africa | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOJMNFZI1/A546EXXSNFZI1 |
DKR | Senegal | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOJMNFZI1/A546EXXSNFZI1 |
ECT | Nigeria | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOJMNFZI1/A546EXXSNFZI1 |
EGY | Egypt | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOJMNFZI1/A546EXXSNFZI1 |
ILO | Israel | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOJMNFZI1/A546EXXSNFZI1 |
KSA | Saudi Arabia | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOJMNFZI1/A546EXXSNFZI1 |
LYS | Libya | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOJMNFZI1/A546EXXSNFZI1 |
MID | Middle East | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOJMNFZI1/A546EXXSNFZI1 |
MWD | Morocco | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOJMNFZI1/A546EXXSNFZI1 |
PKD | Pakistan | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOJMNFZI1/A546EXXSNFZI1 |
TUN | Tunisia | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOJMNFZI1/A546EXXSNFZI1 |
TUR | Turkey | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOJMNFZI1/A546EXXSNFZI1 |
XFA | South Africa | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOJMNFZI1/A546EXXSNFZI1 |
XFE | South Africa | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOJMNFZI1/A546EXXSNFZI1 |
XFV | South Africa (Vodacom) | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOJMNFZI1/A546EXXSNFZI1 |
XSG | United Arab Emirates | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOJMNFZI1/A546EXXSNFZI1 |
CAU | Caucasus | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOXENFZI1/A546EXXSNFZI1 |
SEK | Ukraine | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOXENFZI1/A546EXXSNFZI1 |
SKZ | Kazakhstan | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EOXENFZI1/A546EXXSNFZI1 |
BKD | Bangladesh | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EODMNFZI1/A546EXXSNFZI1 |
INS | India | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EODMNFZI1/A546EXXSNFZI1 |
NPB | Nepal | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EODMNFZI1/A546EXXSNFZI1 |
SLK | Sri Lanka | Sep 23, 2026 | day 0 | A546EXXSNFZI1/A546EODMNFZI1/A546EXXSNFZI1 |
ARO | Argentina | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWONFZI1/A546EXXSNFZI1 |
BVO | Bolivia | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWONFZI1/A546EXXSNFZI1 |
CTI | Argentina (Claro) | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWONFZI1/A546EXXSNFZI1 |
GTO | Guatemala | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWONFZI1/A546EXXSNFZI1 |
IUS | Mexico (AT&T) | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWONFZI1/A546EXXSNFZI1 |
MXO | Mexico | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWONFZI1/A546EXXSNFZI1 |
PSN | Argentina (Personal) | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWONFZI1/A546EXXSNFZI1 |
TCE | Mexico (Telcel) | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWONFZI1/A546EXXSNFZI1 |
TMM | Myanmar | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWONFZI1/A546EXXSNFZI1 |
TPA | Panama | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWONFZI1/A546EXXSNFZI1 |
UFN | Argentina (Movistar) | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWONFZI1/A546EXXSNFZI1 |
UYO | Uruguay | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWONFZI1/A546EXXSNFZI1 |
ZTA | Brazil (Claro) | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWONFZI1/A546EXXSNFZI1 |
ZTM | Brazil (TIM) | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWONFZI1/A546EXXSNFZI1 |
ZTO | Brazil | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWONFZI1/A546EXXSNFZI1 |
ZVV | Brazil (Vivo) | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWONFZI1/A546EXXSNFZI1 |
CDR | Dominican Republic | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWBNFZI1/A546EXXSNFZI1 |
COB | Colombia (Movistar) | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWBNFZI1/A546EXXSNFZI1 |
COL | Colombia | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWBNFZI1/A546EXXSNFZI1 |
COM | Colombia (Claro) | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWBNFZI1/A546EXXSNFZI1 |
COO | Colombia | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWBNFZI1/A546EXXSNFZI1 |
PGU | Guatemala | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWBNFZI1/A546EXXSNFZI1 |
CGU | Guatemala (Claro) | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWBNFZI1/A546EXXSNFZI1 |
PEO | Peru | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWBNFZI1/A546EXXSNFZI1 |
PET | Peru (Movistar) | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWBNFZI1/A546EXXSNFZI1 |
PNT | Panama | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWBNFZI1/A546EXXSNFZI1 |
SAM | Oceania | Sep 24, 2026 | +1 day | A546EXXSNFZI1/A546EOWBNFZI1/A546EXXSNFZI1 |
EBE | Ecuador | Sep 29, 2026 | +6 days | A546EXXSNFZI1/A546EOWBNFZI1/A546EXXSNFZI1 |
ECO | Ecuador | Sep 29, 2026 | +6 days | A546EXXSNFZI1/A546EOWBNFZI1/A546EXXSNFZI1 |
TGP | Paraguay | Sep 29, 2026 | +6 days | A546EXXSNFZI1/A546EOWONFZI1/A546EXXSNFZI1 |
UPO | Uruguay | Sep 29, 2026 | +6 days | A546EXXSNFZI1/A546EOWONFZI1/A546EXXSNFZI1 |
CHE | Chile (Entel) | Sep 30, 2026 | +7 days | A546EXXSNFZI1/A546EOWBNFZI1/A546EXXSNFZI1 |
CHL | Chile (Claro) | Sep 30, 2026 | +7 days | A546EXXSNFZI1/A546EOWBNFZI1/A546EXXSNFZI1 |
CHO | Chile | Sep 30, 2026 | +7 days | A546EXXSNFZI1/A546EOWBNFZI1/A546EXXSNFZI1 |
CHT | Chile (Movistar) | Sep 30, 2026 | +7 days | A546EXXSNFZI1/A546EOWBNFZI1/A546EXXSNFZI1 |
CHX | Chile | Sep 30, 2026 | +7 days | A546EXXSNFZI1/A546EOWBNFZI1/A546EXXSNFZI1 |
CRC | Costa Rica | Sep 30, 2026 | +7 days | A546EXXSNFZI1/A546EOWBNFZI1/A546EXXSNFZI1 |
DOR | Dominican Republic | Sep 30, 2026 | +7 days | A546EXXSNFZI1/A546EOWBNFZI1/A546EXXSNFZI1 |
GLO | Nigeria (Glo) | Sep 30, 2026 | +7 days | A546EXXSNFZI1/A546EOWBNFZI1/A546EXXSNFZI1 |
NBS | Latin America (open market) | Sep 30, 2026 | +7 days | A546EXXSNFZI1/A546EOWBNFZI1/A546EXXSNFZI1 |
Download and release notes
samloader download -m SM-A546E -r INS -v A546EXXSNFZI1/A546EODMNFZI1/A546EXXSNFZI1Samsung's release notes and security patch level for this update: SM-A546E / INS on doc.samsungmobile.com. What each part of the build number means: decode A546EXXSNFZI1.