`A546EXXSLFZG3` – Galaxy A54 5G firmware

Build A546EXXSLFZG3 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 Jul 26, 2026 (method) and has reached 80 regions so far. It raises the bootloader bit from 20 to 21: once installed, the device no longer accepts firmware with bit 20 or lower, so a downgrade to A546EXXSKFZF4 is blocked. Samsung still serves this file.

Model: SM-A546E
Android: Android 16
Type: Security
Bootloader bit: 21
First released: Jul 26, 2026
Regions: 80

Rollout timeline by region

The date each region code (CSC) first received A546EXXSLFZG3, counted from the first release.

CSC	Region	Released	Rollout	Version (PDA/CSC/MODEM)
`GLB`	Philippines (Globe)	Jul 26, 2026	day 0	`A546EXXSLFZG3/A546EOLMLFZG3/A546EXXSLFZG1`
`MM1`	Singapore (M1)	Jul 26, 2026	day 0	`A546EXXSLFZG3/A546EOLMLFZG3/A546EXXSLFZG1`
`MYM`	Myanmar	Jul 26, 2026	day 0	`A546EXXSLFZG3/A546EOLMLFZG3/A546EXXSLFZG1`
`SIN`	Singapore (Singtel)	Jul 26, 2026	day 0	`A546EXXSLFZG3/A546EOLMLFZG3/A546EXXSLFZG1`
`STH`	Singapore (StarHub)	Jul 26, 2026	day 0	`A546EXXSLFZG3/A546EOLMLFZG3/A546EXXSLFZG1`
`THL`	Thailand	Jul 26, 2026	day 0	`A546EXXSLFZG3/A546EOLMLFZG3/A546EXXSLFZG1`
`XME`	Malaysia	Jul 26, 2026	day 0	`A546EXXSLFZG3/A546EOLMLFZG3/A546EXXSLFZG1`
`XNZ`	New Zealand	Jul 26, 2026	day 0	`A546EXXSLFZG3/A546EOLMLFZG3/A546EXXSLFZG1`
`XSP`	Singapore	Jul 26, 2026	day 0	`A546EXXSLFZG3/A546EOLMLFZG3/A546EXXSLFZG1`
`XTC`	Philippines	Jul 26, 2026	day 0	`A546EXXSLFZG3/A546EOLMLFZG3/A546EXXSLFZG1`
`XXV`	Vietnam	Jul 26, 2026	day 0	`A546EXXSLFZG3/A546EOLMLFZG3/A546EXXSLFZG1`
`XID`	Indonesia	Jul 26, 2026	day 0	`A546EXXSLFZG3/A546EOLELFZG3/A546EXXSLFZG1`
`OPS`	Australia (Optus)	Jul 26, 2026	day 0	`A546EXXSLFZG3/A546EOLMLFZG3/A546EXXSLFZG1`
`TEL`	Australia (Telstra)	Jul 26, 2026	day 0	`A546EXXSLFZG3/A546EOLMLFZG3/A546EXXSLFZG1`
`XSA`	Australia	Jul 26, 2026	day 0	`A546EXXSLFZG3/A546EOLMLFZG3/A546EXXSLFZG1`
`ACR`	Ghana	Jul 27, 2026	+1 day	`A546EXXSLFZG3/A546EOJMLFZG3/A546EXXSLFZG1`
`AFG`	Afghanistan	Jul 27, 2026	+1 day	`A546EXXSLFZG3/A546EOJMLFZG3/A546EXXSLFZG1`
`AFR`	Africa	Jul 27, 2026	+1 day	`A546EXXSLFZG3/A546EOJMLFZG3/A546EXXSLFZG1`
`DKR`	Senegal	Jul 27, 2026	+1 day	`A546EXXSLFZG3/A546EOJMLFZG3/A546EXXSLFZG1`
`ECT`	Nigeria	Jul 27, 2026	+1 day	`A546EXXSLFZG3/A546EOJMLFZG3/A546EXXSLFZG1`
`EGY`	Egypt	Jul 27, 2026	+1 day	`A546EXXSLFZG3/A546EOJMLFZG3/A546EXXSLFZG1`
`ILO`	Israel	Jul 27, 2026	+1 day	`A546EXXSLFZG3/A546EOJMLFZG3/A546EXXSLFZG1`
`KSA`	Saudi Arabia	Jul 27, 2026	+1 day	`A546EXXSLFZG3/A546EOJMLFZG3/A546EXXSLFZG1`
`LYS`	Libya	Jul 27, 2026	+1 day	`A546EXXSLFZG3/A546EOJMLFZG3/A546EXXSLFZG1`
`MID`	Middle East	Jul 27, 2026	+1 day	`A546EXXSLFZG3/A546EOJMLFZG3/A546EXXSLFZG1`
`MWD`	Morocco	Jul 27, 2026	+1 day	`A546EXXSLFZG3/A546EOJMLFZG3/A546EXXSLFZG1`
`PKD`	Pakistan	Jul 27, 2026	+1 day	`A546EXXSLFZG3/A546EOJMLFZG3/A546EXXSLFZG1`
`TUN`	Tunisia	Jul 27, 2026	+1 day	`A546EXXSLFZG3/A546EOJMLFZG3/A546EXXSLFZG1`
`TUR`	Turkey	Jul 27, 2026	+1 day	`A546EXXSLFZG3/A546EOJMLFZG3/A546EXXSLFZG1`
`XFA`	South Africa	Jul 27, 2026	+1 day	`A546EXXSLFZG3/A546EOJMLFZG3/A546EXXSLFZG1`
`XFE`	South Africa	Jul 27, 2026	+1 day	`A546EXXSLFZG3/A546EOJMLFZG3/A546EXXSLFZG1`
`XFV`	South Africa (Vodacom)	Jul 27, 2026	+1 day	`A546EXXSLFZG3/A546EOJMLFZG3/A546EXXSLFZG1`
`XSG`	United Arab Emirates	Jul 27, 2026	+1 day	`A546EXXSLFZG3/A546EOJMLFZG3/A546EXXSLFZG1`
`CAU`	Caucasus	Jul 27, 2026	+1 day	`A546EXXSLFZG3/A546EOXELFZG3/A546EXXSLFZG1`
`SEK`	Ukraine	Jul 27, 2026	+1 day	`A546EXXSLFZG3/A546EOXELFZG3/A546EXXSLFZG1`
`SKZ`	Kazakhstan	Jul 27, 2026	+1 day	`A546EXXSLFZG3/A546EOXELFZG3/A546EXXSLFZG1`
`BKD`	Bangladesh	Jul 27, 2026	+1 day	`A546EXXSLFZG3/A546EODMLFZG1/A546EXXSLFZG1`
`INS`	India	Jul 27, 2026	+1 day	`A546EXXSLFZG3/A546EODMLFZG1/A546EXXSLFZG1`
`NPB`	Nepal	Jul 27, 2026	+1 day	`A546EXXSLFZG3/A546EODMLFZG1/A546EXXSLFZG1`
`SLK`	Sri Lanka	Jul 27, 2026	+1 day	`A546EXXSLFZG3/A546EODMLFZG1/A546EXXSLFZG1`
`ARO`	Argentina	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWOLFZG3/A546EXXSLFZG1`
`BVO`	Bolivia	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWOLFZG3/A546EXXSLFZG1`
`CDR`	Dominican Republic	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWBLFZG3/A546EXXSLFZG1`
`CGU`	Guatemala (Claro)	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWBLFZG3/A546EXXSLFZG1`
`CHE`	Chile (Entel)	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWBLFZG3/A546EXXSLFZG1`
`CHL`	Chile (Claro)	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWBLFZG3/A546EXXSLFZG1`
`CHO`	Chile	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWBLFZG3/A546EXXSLFZG1`
`CHT`	Chile (Movistar)	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWBLFZG3/A546EXXSLFZG1`
`CHX`	Chile	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWBLFZG3/A546EXXSLFZG1`
`COB`	Colombia (Movistar)	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWBLFZG3/A546EXXSLFZG1`
`COL`	Colombia	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWBLFZG3/A546EXXSLFZG1`
`ZTA`	Brazil (Claro)	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWOLFZG3/A546EXXSLFZG1`
`ZTM`	Brazil (TIM)	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWOLFZG3/A546EXXSLFZG1`
`ZTO`	Brazil	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWOLFZG3/A546EXXSLFZG1`
`ZVV`	Brazil (Vivo)	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWOLFZG3/A546EXXSLFZG1`
`COM`	Colombia (Claro)	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWBLFZG3/A546EXXSLFZG1`
`COO`	Colombia	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWBLFZG3/A546EXXSLFZG1`
`CTI`	Argentina (Claro)	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWOLFZG3/A546EXXSLFZG1`
`EBE`	Ecuador	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWBLFZG3/A546EXXSLFZG1`
`ECO`	Ecuador	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWBLFZG3/A546EXXSLFZG1`
`GTO`	Guatemala	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWOLFZG3/A546EXXSLFZG1`
`UPO`	Uruguay	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWOLFZG3/A546EXXSLFZG1`
`UYO`	Uruguay	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWOLFZG3/A546EXXSLFZG1`
`IUS`	Mexico (AT&T)	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWOLFZG3/A546EXXSLFZG1`
`MXO`	Mexico	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWOLFZG3/A546EXXSLFZG1`
`PEO`	Peru	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWBLFZG3/A546EXXSLFZG1`
`PET`	Peru (Movistar)	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWBLFZG3/A546EXXSLFZG1`
`PGU`	Guatemala	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWBLFZG3/A546EXXSLFZG1`
`PNT`	Panama	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWBLFZG3/A546EXXSLFZG1`
`TMM`	Myanmar	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWOLFZG3/A546EXXSLFZG1`
`TPA`	Panama	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWOLFZG3/A546EXXSLFZG1`
`UFN`	Argentina (Movistar)	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWOLFZG3/A546EXXSLFZG1`
`SAM`	Oceania	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWBLFZG3/A546EXXSLFZG1`
`TCE`	Mexico (Telcel)	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWOLFZG3/A546EXXSLFZG1`
`TGP`	Paraguay	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWOLFZG3/A546EXXSLFZG1`
`PSN`	Argentina (Personal)	Jul 28, 2026	+2 days	`A546EXXSLFZG3/A546EOWOLFZG3/A546EXXSLFZG1`
`CRC`	Costa Rica	Jul 30, 2026	+4 days	`A546EXXSLFZG3/A546EOWBLFZG3/A546EXXSLFZG1`
`DOR`	Dominican Republic	Jul 30, 2026	+4 days	`A546EXXSLFZG3/A546EOWBLFZG3/A546EXXSLFZG1`
`GLO`	Nigeria (Glo)	Jul 30, 2026	+4 days	`A546EXXSLFZG3/A546EOWBLFZG3/A546EXXSLFZG1`
`NBS`	Latin America (open market)	Jul 30, 2026	+4 days	`A546EXXSLFZG3/A546EOWBLFZG3/A546EXXSLFZG1`

Download and release notes

samloader download -m SM-A546E -r INS -v A546EXXSLFZG3/A546EODMLFZG1/A546EXXSLFZG1

Samsung'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 A546EXXSLFZG3.

A546EXXSLFZG3 – Galaxy A54 5G firmware

Rollout timeline by region

Download and release notes

`A546EXXSLFZG3` – Galaxy A54 5G firmware