F731BXXS7GZI1 – Galaxy Z Flip5 firmware

Build F731BXXS7GZI1 is a security update for the Galaxy Z Flip5 (SM-F731B) on Android 16 (One UI 8). It first appeared on Samsung's servers on Sep 27, 2026 (method) and has reached 93 regions so far. It keeps bootloader bit 7, so downgrading to the previous build F731BTBS7GZH2 is still possible. Samsung still serves this file.

Model
SM-F731B
Android
Android 16
Type
Security
Bootloader bit
7
First released
Sep 27, 2026
Regions
93

Rollout timeline by region

The date each region code (CSC) first received F731BXXS7GZI1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
GLBPhilippines (Globe)Sep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
MM1Singapore (M1)Sep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
OPSAustralia (Optus)Sep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
SINSingapore (Singtel)Sep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
STHSingapore (StarHub)Sep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
TELAustralia (Telstra)Sep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
THLThailandSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
VAUAustralia (Vodafone)Sep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
XIDIndonesiaSep 27, 2026day 0F731BXXS7GZI1/F731BOLE7GZE5/F731BXXS7GZE5
XMEMalaysiaSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
XNZNew ZealandSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
XSPSingaporeSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
XTCPhilippinesSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
XXVVietnamSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
EUYEurope (Multi-CSC)Sep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
XSAAustraliaSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
ACRGhanaSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
AFGAfghanistanSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
AFRAfricaSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
BOGFrance (Bouygues)Sep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
CAUCaucasusSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
DKRSenegalSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
ECTNigeriaSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
EGYEgyptSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
EUXEurope (Multi-CSC)Sep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
EVRUnited Kingdom (EE)Sep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
KSASaudi ArabiaSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
LYSLibyaSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
MEOPortugal (MEO)Sep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
MIDMiddle EastSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
MOBAustria (A1)Sep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
MOTSlovenia (Telekom)Sep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
MSRSerbiaSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
MWDMoroccoSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
O2CCzech Republic (O2)Sep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
PKDPakistanSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
PLSPoland (Plus)Sep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
PRTPoland (Play)Sep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
SEKUkraineSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
SFRFrance (SFR)Sep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
SIMSlovenia (A1)Sep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
SKZKazakhstanSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
SWCSwitzerlandSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
TIMItaly (TIM)Sep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
TOPSerbia/MontenegroSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
TUNTunisiaSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
TURTurkeySep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
VIPCroatia (A1)Sep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
XFASouth AfricaSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
XFVSouth Africa (Vodacom)Sep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
XSGUnited Arab EmiratesSep 27, 2026day 0F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
AROArgentinaSep 29, 2026+2 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
BVOBoliviaSep 29, 2026+2 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
CDRDominican RepublicSep 29, 2026+2 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
CGUGuatemala (Claro)Sep 29, 2026+2 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
COBColombia (Movistar)Sep 29, 2026+2 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
COLColombiaSep 29, 2026+2 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
COMColombia (Claro)Sep 29, 2026+2 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
COOColombiaSep 29, 2026+2 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
CRCCosta RicaSep 29, 2026+2 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
CTIArgentina (Claro)Sep 29, 2026+2 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
ZTABrazil (Claro)Sep 29, 2026+2 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
ZTMBrazil (TIM)Sep 29, 2026+2 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
ZTOBrazilSep 29, 2026+2 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
ZVVBrazil (Vivo)Sep 29, 2026+2 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
DORDominican RepublicSep 30, 2026+3 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
EBEEcuadorSep 30, 2026+3 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
ECOEcuadorSep 30, 2026+3 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
GLONigeria (Glo)Sep 30, 2026+3 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
GTOGuatemalaSep 30, 2026+3 daysF731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
MXOMexicoSep 30, 2026+3 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
PEOPeruSep 30, 2026+3 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
PETPeru (Movistar)Sep 30, 2026+3 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
PGUGuatemalaSep 30, 2026+3 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
PNTPanamaSep 30, 2026+3 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
PSNArgentina (Personal)Sep 30, 2026+3 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
SAMOceaniaSep 30, 2026+3 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
TCEMexico (Telcel)Sep 30, 2026+3 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
TGPParaguaySep 30, 2026+3 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
TPAPanamaSep 30, 2026+3 daysF731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
UFNArgentina (Movistar)Sep 30, 2026+3 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
UPOUruguaySep 30, 2026+3 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
UYOUruguaySep 30, 2026+3 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
BKDBangladeshSep 30, 2026+3 daysF731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
INSIndiaSep 30, 2026+3 daysF731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
NPBNepalSep 30, 2026+3 daysF731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
SLKSri LankaSep 30, 2026+3 daysF731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5
CHEChile (Entel)Sep 30, 2026+3 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
CHLChile (Claro)Sep 30, 2026+3 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
CHOChileSep 30, 2026+3 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
CHTChile (Movistar)Sep 30, 2026+3 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
CHXChileSep 30, 2026+3 daysF731BXXS7GZI1/F731BOWO7GZE5/F731BXXS7GZE5
ILOIsraelOct 4, 2026+7 daysF731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5

Download and release notes

samloader download -m SM-F731B -r EUX -v F731BXXS7GZI1/F731BOXM7GZE5/F731BXXS7GZE5

Samsung's release notes and security patch level for this update: SM-F731B / EUX on doc.samsungmobile.com. What each part of the build number means: decode F731BXXS7GZI1.