S731BXXS7BZF3 – Galaxy S25 FE firmware

Build S731BXXS7BZF3 is a security update for the Galaxy S25 FE (SM-S731B) on Android 16 (One UI 8). It first appeared on Samsung's servers on Jun 21, 2026 (method) and has reached 82 regions so far. It raises the bootloader bit from 6 to 7: once installed, the device no longer accepts firmware with bit 6 or lower, so a downgrade to S731BXXS6BZE2 is blocked. Samsung still serves this file.

Model
SM-S731B
Android
Android 16
Type
Security
Bootloader bit
7
First released
Jun 21, 2026
Regions
82

Rollout timeline by region

The date each region code (CSC) first received S731BXXS7BZF3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BOGFrance (Bouygues)Jun 21, 2026day 0S731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
EUXEurope (Multi-CSC)Jun 21, 2026day 0S731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
EUYEurope (Multi-CSC)Jun 21, 2026day 0S731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
MOBAustria (A1)Jun 21, 2026day 0S731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
PLSPoland (Plus)Jun 21, 2026day 0S731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
PRTPoland (Play)Jun 21, 2026day 0S731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
SFRFrance (SFR)Jun 21, 2026day 0S731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
SIMSlovenia (A1)Jun 21, 2026day 0S731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
SWCSwitzerlandJun 21, 2026day 0S731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
TURTurkeyJun 21, 2026day 0S731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
AROArgentinaJun 22, 2026+1 dayS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
BVOBoliviaJun 22, 2026+1 dayS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
COBColombia (Movistar)Jun 22, 2026+1 dayS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
COLColombiaJun 22, 2026+1 dayS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
COOColombiaJun 22, 2026+1 dayS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
CTIArgentina (Claro)Jun 22, 2026+1 dayS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
GTOGuatemalaJun 22, 2026+1 dayS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
PSNArgentina (Personal)Jun 22, 2026+1 dayS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
UFNArgentina (Movistar)Jun 22, 2026+1 dayS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
UPOUruguayJun 22, 2026+1 dayS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
UYOUruguayJun 22, 2026+1 dayS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
BRITaiwanJun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
GLBPhilippines (Globe)Jun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
MM1Singapore (M1)Jun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
SINSingapore (Singtel)Jun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
STHSingapore (StarHub)Jun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
THLThailandJun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
XMEMalaysiaJun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
XNZNew ZealandJun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
XSPSingaporeJun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
XTCPhilippinesJun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
XXVVietnamJun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
XSAAustraliaJun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
ACRGhanaJun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
AFGAfghanistanJun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
AFRAfricaJun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
DKRSenegalJun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
ECTNigeriaJun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
EGYEgyptJun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
KSASaudi ArabiaJun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
LYSLibyaJun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
MIDMiddle EastJun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
MWDMoroccoJun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
PAKPakistanJun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
PKDPakistanJun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
TUNTunisiaJun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
XFASouth AfricaJun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
XFVSouth Africa (Vodacom)Jun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
XSGUnited Arab EmiratesJun 22, 2026+1 dayS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
BKDBangladeshJun 23, 2026+2 daysS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
INSIndiaJun 23, 2026+2 daysS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
NPBNepalJun 23, 2026+2 daysS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
SLKSri LankaJun 23, 2026+2 daysS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
ZTABrazil (Claro)Jun 23, 2026+2 daysS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
ZTMBrazil (TIM)Jun 23, 2026+2 daysS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
ZTOBrazilJun 23, 2026+2 daysS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
ZVVBrazil (Vivo)Jun 23, 2026+2 daysS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
CAUCaucasusJun 24, 2026+3 daysS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
SERRussiaJun 24, 2026+3 daysS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
SKZKazakhstanJun 24, 2026+3 daysS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
CDRDominican RepublicJun 24, 2026+3 daysS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
CGUGuatemala (Claro)Jun 24, 2026+3 daysS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
CRCCosta RicaJun 24, 2026+3 daysS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
DORDominican RepublicJun 24, 2026+3 daysS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
GLONigeria (Glo)Jun 24, 2026+3 daysS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
IUSMexico (AT&T)Jun 24, 2026+3 daysS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
MXOMexicoJun 24, 2026+3 daysS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
PGUGuatemalaJun 24, 2026+3 daysS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
TCEMexico (Telcel)Jun 24, 2026+3 daysS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
XIDIndonesiaJun 25, 2026+4 daysS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
ILOIsraelJun 25, 2026+4 daysS731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3
CHEChile (Entel)Jun 25, 2026+4 daysS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
CHLChile (Claro)Jun 25, 2026+4 daysS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
CHOChileJun 25, 2026+4 daysS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
CHTChile (Movistar)Jun 25, 2026+4 daysS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
COMColombia (Claro)Jun 25, 2026+4 daysS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
EBEEcuadorJul 2, 2026+11 daysS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
ECOEcuadorJul 2, 2026+11 daysS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
PEOPeruJul 9, 2026+18 daysS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
PETPeru (Movistar)Jul 9, 2026+18 daysS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
PNTPanamaJul 9, 2026+18 daysS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3
SAMOceaniaJul 9, 2026+18 daysS731BXXS7BZF3/S731BOWO7BZF2/S731BXXS7BZF3

Download and release notes

samloader download -m SM-S731B -r EUX -v S731BXXS7BZF3/S731BOXM7BZF3/S731BXXS7BZF3

Samsung's release notes and security patch level for this update: SM-S731B / EUX on doc.samsungmobile.com. What each part of the build number means: decode S731BXXS7BZF3.