A546EXXSKFZF4 – Galaxy A54 5G firmware

Build A546EXXSKFZF4 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 Jun 28, 2026 (method) and has reached 80 regions so far. It raises the bootloader bit from 19 to 20: once installed, the device no longer accepts firmware with bit 19 or lower, so a downgrade to A546EXXUJFZE9 is blocked. Samsung still serves this file.

Model
SM-A546E
Android
Android 16
Type
Security
Bootloader bit
20
First released
Jun 28, 2026
Regions
80

Rollout timeline by region

The date each region code (CSC) first received A546EXXSKFZF4, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
CAUCaucasusJun 28, 2026day 0A546EXXSKFZF4/A546EOXEKFZF4/A546EXXSKFZF2
SEKUkraineJun 28, 2026day 0A546EXXSKFZF4/A546EOXEKFZF4/A546EXXSKFZF2
SKZKazakhstanJun 28, 2026day 0A546EXXSKFZF4/A546EOXEKFZF4/A546EXXSKFZF2
GLBPhilippines (Globe)Jun 28, 2026day 0A546EXXSKFZF4/A546EOLMKFZF4/A546EXXSKFZF2
MM1Singapore (M1)Jun 28, 2026day 0A546EXXSKFZF4/A546EOLMKFZF4/A546EXXSKFZF2
MYMMyanmarJun 28, 2026day 0A546EXXSKFZF4/A546EOLMKFZF4/A546EXXSKFZF2
OPSAustralia (Optus)Jun 28, 2026day 0A546EXXSKFZF4/A546EOLMKFZF4/A546EXXSKFZF2
SINSingapore (Singtel)Jun 28, 2026day 0A546EXXSKFZF4/A546EOLMKFZF4/A546EXXSKFZF2
STHSingapore (StarHub)Jun 28, 2026day 0A546EXXSKFZF4/A546EOLMKFZF4/A546EXXSKFZF2
TELAustralia (Telstra)Jun 28, 2026day 0A546EXXSKFZF4/A546EOLMKFZF4/A546EXXSKFZF2
THLThailandJun 28, 2026day 0A546EXXSKFZF4/A546EOLMKFZF4/A546EXXSKFZF2
XMEMalaysiaJun 28, 2026day 0A546EXXSKFZF4/A546EOLMKFZF4/A546EXXSKFZF2
XNZNew ZealandJun 28, 2026day 0A546EXXSKFZF4/A546EOLMKFZF4/A546EXXSKFZF2
XSAAustraliaJun 28, 2026day 0A546EXXSKFZF4/A546EOLMKFZF4/A546EXXSKFZF2
XSPSingaporeJun 28, 2026day 0A546EXXSKFZF4/A546EOLMKFZF4/A546EXXSKFZF2
XTCPhilippinesJun 28, 2026day 0A546EXXSKFZF4/A546EOLMKFZF4/A546EXXSKFZF2
XXVVietnamJun 28, 2026day 0A546EXXSKFZF4/A546EOLMKFZF4/A546EXXSKFZF2
ACRGhanaJun 28, 2026day 0A546EXXSKFZF4/A546EOJMKFZF4/A546EXXSKFZF2
AFGAfghanistanJun 28, 2026day 0A546EXXSKFZF4/A546EOJMKFZF4/A546EXXSKFZF2
AFRAfricaJun 28, 2026day 0A546EXXSKFZF4/A546EOJMKFZF4/A546EXXSKFZF2
DKRSenegalJun 28, 2026day 0A546EXXSKFZF4/A546EOJMKFZF4/A546EXXSKFZF2
ECTNigeriaJun 28, 2026day 0A546EXXSKFZF4/A546EOJMKFZF4/A546EXXSKFZF2
EGYEgyptJun 28, 2026day 0A546EXXSKFZF4/A546EOJMKFZF4/A546EXXSKFZF2
ILOIsraelJun 28, 2026day 0A546EXXSKFZF4/A546EOJMKFZF4/A546EXXSKFZF2
KSASaudi ArabiaJun 28, 2026day 0A546EXXSKFZF4/A546EOJMKFZF4/A546EXXSKFZF2
LYSLibyaJun 28, 2026day 0A546EXXSKFZF4/A546EOJMKFZF4/A546EXXSKFZF2
MIDMiddle EastJun 28, 2026day 0A546EXXSKFZF4/A546EOJMKFZF4/A546EXXSKFZF2
MWDMoroccoJun 28, 2026day 0A546EXXSKFZF4/A546EOJMKFZF4/A546EXXSKFZF2
PKDPakistanJun 28, 2026day 0A546EXXSKFZF4/A546EOJMKFZF4/A546EXXSKFZF2
TUNTunisiaJun 28, 2026day 0A546EXXSKFZF4/A546EOJMKFZF4/A546EXXSKFZF2
TURTurkeyJun 28, 2026day 0A546EXXSKFZF4/A546EOJMKFZF4/A546EXXSKFZF2
XFASouth AfricaJun 28, 2026day 0A546EXXSKFZF4/A546EOJMKFZF4/A546EXXSKFZF2
XFESouth AfricaJun 28, 2026day 0A546EXXSKFZF4/A546EOJMKFZF4/A546EXXSKFZF2
XFVSouth Africa (Vodacom)Jun 28, 2026day 0A546EXXSKFZF4/A546EOJMKFZF4/A546EXXSKFZF2
XSGUnited Arab EmiratesJun 28, 2026day 0A546EXXSKFZF4/A546EOJMKFZF4/A546EXXSKFZF2
BKDBangladeshJun 29, 2026+1 dayA546EXXSKFZF4/A546EODMKFZF1/A546EXXSKFZF2
INSIndiaJun 29, 2026+1 dayA546EXXSKFZF4/A546EODMKFZF1/A546EXXSKFZF2
NPBNepalJun 29, 2026+1 dayA546EXXSKFZF4/A546EODMKFZF1/A546EXXSKFZF2
SLKSri LankaJun 29, 2026+1 dayA546EXXSKFZF4/A546EODMKFZF1/A546EXXSKFZF2
XIDIndonesiaJun 29, 2026+1 dayA546EXXSKFZF4/A546EOLEKFZF4/A546EXXSKFZF2
CDRDominican RepublicJun 30, 2026+2 daysA546EXXSKFZF4/A546EOWBKFZF4/A546EXXSKFZF2
CGUGuatemala (Claro)Jun 30, 2026+2 daysA546EXXSKFZF4/A546EOWBKFZF4/A546EXXSKFZF2
CHEChile (Entel)Jun 30, 2026+2 daysA546EXXSKFZF4/A546EOWBKFZF4/A546EXXSKFZF2
CHLChile (Claro)Jun 30, 2026+2 daysA546EXXSKFZF4/A546EOWBKFZF4/A546EXXSKFZF2
CHOChileJun 30, 2026+2 daysA546EXXSKFZF4/A546EOWBKFZF4/A546EXXSKFZF2
CHTChile (Movistar)Jun 30, 2026+2 daysA546EXXSKFZF4/A546EOWBKFZF4/A546EXXSKFZF2
CHXChileJun 30, 2026+2 daysA546EXXSKFZF4/A546EOWBKFZF4/A546EXXSKFZF2
COBColombia (Movistar)Jun 30, 2026+2 daysA546EXXSKFZF4/A546EOWBKFZF4/A546EXXSKFZF2
COLColombiaJun 30, 2026+2 daysA546EXXSKFZF4/A546EOWBKFZF4/A546EXXSKFZF2
COMColombia (Claro)Jun 30, 2026+2 daysA546EXXSKFZF4/A546EOWBKFZF4/A546EXXSKFZF2
COOColombiaJun 30, 2026+2 daysA546EXXSKFZF4/A546EOWBKFZF4/A546EXXSKFZF2
CRCCosta RicaJun 30, 2026+2 daysA546EXXSKFZF4/A546EOWBKFZF4/A546EXXSKFZF2
DORDominican RepublicJun 30, 2026+2 daysA546EXXSKFZF4/A546EOWBKFZF4/A546EXXSKFZF2
GLONigeria (Glo)Jun 30, 2026+2 daysA546EXXSKFZF4/A546EOWBKFZF4/A546EXXSKFZF2
NBSLatin America (open market)Jun 30, 2026+2 daysA546EXXSKFZF4/A546EOWBKFZF4/A546EXXSKFZF2
PGUGuatemalaJun 30, 2026+2 daysA546EXXSKFZF4/A546EOWBKFZF4/A546EXXSKFZF2
AROArgentinaJul 1, 2026+3 daysA546EXXSKFZF4/A546EOWOKFZF4/A546EXXSKFZF2
BVOBoliviaJul 1, 2026+3 daysA546EXXSKFZF4/A546EOWOKFZF4/A546EXXSKFZF2
CTIArgentina (Claro)Jul 1, 2026+3 daysA546EXXSKFZF4/A546EOWOKFZF4/A546EXXSKFZF2
GTOGuatemalaJul 1, 2026+3 daysA546EXXSKFZF4/A546EOWOKFZF4/A546EXXSKFZF2
IUSMexico (AT&T)Jul 1, 2026+3 daysA546EXXSKFZF4/A546EOWOKFZF4/A546EXXSKFZF2
MXOMexicoJul 1, 2026+3 daysA546EXXSKFZF4/A546EOWOKFZF4/A546EXXSKFZF2
PSNArgentina (Personal)Jul 1, 2026+3 daysA546EXXSKFZF4/A546EOWOKFZF4/A546EXXSKFZF2
TCEMexico (Telcel)Jul 1, 2026+3 daysA546EXXSKFZF4/A546EOWOKFZF4/A546EXXSKFZF2
TGPParaguayJul 1, 2026+3 daysA546EXXSKFZF4/A546EOWOKFZF4/A546EXXSKFZF2
TMMMyanmarJul 1, 2026+3 daysA546EXXSKFZF4/A546EOWOKFZF4/A546EXXSKFZF2
TPAPanamaJul 1, 2026+3 daysA546EXXSKFZF4/A546EOWOKFZF4/A546EXXSKFZF2
UFNArgentina (Movistar)Jul 1, 2026+3 daysA546EXXSKFZF4/A546EOWOKFZF4/A546EXXSKFZF2
UPOUruguayJul 1, 2026+3 daysA546EXXSKFZF4/A546EOWOKFZF4/A546EXXSKFZF2
UYOUruguayJul 1, 2026+3 daysA546EXXSKFZF4/A546EOWOKFZF4/A546EXXSKFZF2
ZTABrazil (Claro)Jul 1, 2026+3 daysA546EXXSKFZF4/A546EOWOKFZF4/A546EXXSKFZF2
ZTMBrazil (TIM)Jul 1, 2026+3 daysA546EXXSKFZF4/A546EOWOKFZF4/A546EXXSKFZF2
ZTOBrazilJul 1, 2026+3 daysA546EXXSKFZF4/A546EOWOKFZF4/A546EXXSKFZF2
ZVVBrazil (Vivo)Jul 1, 2026+3 daysA546EXXSKFZF4/A546EOWOKFZF4/A546EXXSKFZF2
PEOPeruJul 2, 2026+4 daysA546EXXSKFZF4/A546EOWBKFZF4/A546EXXSKFZF2
PETPeru (Movistar)Jul 2, 2026+4 daysA546EXXSKFZF4/A546EOWBKFZF4/A546EXXSKFZF2
PNTPanamaJul 2, 2026+4 daysA546EXXSKFZF4/A546EOWBKFZF4/A546EXXSKFZF2
SAMOceaniaJul 2, 2026+4 daysA546EXXSKFZF4/A546EOWBKFZF4/A546EXXSKFZF2
EBEEcuadorJul 15, 2026+17 daysA546EXXSKFZF4/A546EOWBKFZF4/A546EXXSKFZF2
ECOEcuadorJul 15, 2026+17 daysA546EXXSKFZF4/A546EOWBKFZF4/A546EXXSKFZF2

Download and release notes

samloader download -m SM-A546E -r INS -v A546EXXSKFZF4/A546EODMKFZF1/A546EXXSKFZF2

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 A546EXXSKFZF4.