F936BXXSCIZG3 – Galaxy Z Fold4 firmware

Build F936BXXSCIZG3 is a security update for the Galaxy Z Fold4 (SM-F936B) on Android 16 (One UI 8). It first appeared on Samsung's servers on Jul 28, 2026 (method) and has reached 80 regions so far. It keeps bootloader bit 12, so downgrading to the previous build F936BXXSCIZG4 is still possible. Samsung still serves this file.

Model
SM-F936B
Android
Android 16
Type
Security
Bootloader bit
12
First released
Jul 28, 2026
Regions
80

Rollout timeline by region

The date each region code (CSC) first received F936BXXSCIZG3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
GLBPhilippines (Globe)Jul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
MM1Singapore (M1)Jul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
SINSingapore (Singtel)Jul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
STHSingapore (StarHub)Jul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
THLThailandJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
XIDIndonesiaJul 28, 2026day 0F936BXXSCIZG3/F936BOLECIZE1/F936BXXSCIZE1
XMEMalaysiaJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
XNZNew ZealandJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
XSPSingaporeJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
XTCPhilippinesJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
XXVVietnamJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
ACRGhanaJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
AFGAfghanistanJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
AFRAfricaJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
DKRSenegalJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
ECTNigeriaJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
EGYEgyptJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
ILOIsraelJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
KSASaudi ArabiaJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
LYSLibyaJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
MIDMiddle EastJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
MWDMoroccoJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
PKDPakistanJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
TUNTunisiaJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
TURTurkeyJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
XFASouth AfricaJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
XFESouth AfricaJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
XFVSouth Africa (Vodacom)Jul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
XSGUnited Arab EmiratesJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
BOGFrance (Bouygues)Jul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
BTBUnited Kingdom (BT)Jul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
CAUCaucasusJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
EUXEurope (Multi-CSC)Jul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
EVRUnited Kingdom (EE)Jul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
MEOPortugal (MEO)Jul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
MOBAustria (A1)Jul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
MOTSlovenia (Telekom)Jul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
MSRSerbiaJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
O2CCzech Republic (O2)Jul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
PLSPoland (Plus)Jul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
PRTPoland (Play)Jul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
SEKUkraineJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
SFRFrance (SFR)Jul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
SIMSlovenia (A1)Jul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
SKZKazakhstanJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
SWCSwitzerlandJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
TIMItaly (TIM)Jul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
TOPSerbia/MontenegroJul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
VIPCroatia (A1)Jul 28, 2026day 0F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
EUYEurope (Multi-CSC)Jul 29, 2026+1 dayF936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
BKDBangladeshJul 29, 2026+1 dayF936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
INSIndiaJul 29, 2026+1 dayF936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
SLKSri LankaJul 29, 2026+1 dayF936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
AROArgentinaJul 29, 2026+1 dayF936BXXSCIZG3/F936BOWOCIZE1/F936BXXSCIZE1
BVOBoliviaJul 29, 2026+1 dayF936BXXSCIZG3/F936BOWOCIZE1/F936BXXSCIZE1
CDRDominican RepublicJul 29, 2026+1 dayF936BXXSCIZG3/F936BOWOCIZE1/F936BXXSCIZE1
CGUGuatemala (Claro)Jul 29, 2026+1 dayF936BXXSCIZG3/F936BOWOCIZE1/F936BXXSCIZE1
CHOChileJul 29, 2026+1 dayF936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
COBColombia (Movistar)Jul 29, 2026+1 dayF936BXXSCIZG3/F936BOWOCIZE1/F936BXXSCIZE1
COMColombia (Claro)Jul 29, 2026+1 dayF936BXXSCIZG3/F936BOWOCIZE1/F936BXXSCIZE1
COOColombiaJul 29, 2026+1 dayF936BXXSCIZG3/F936BOWOCIZE1/F936BXXSCIZE1
CRCCosta RicaJul 29, 2026+1 dayF936BXXSCIZG3/F936BOWOCIZE1/F936BXXSCIZE1
EBEEcuadorJul 29, 2026+1 dayF936BXXSCIZG3/F936BOWOCIZE1/F936BXXSCIZE1
ECOEcuadorJul 29, 2026+1 dayF936BXXSCIZG3/F936BOWOCIZE1/F936BXXSCIZE1
GLONigeria (Glo)Jul 29, 2026+1 dayF936BXXSCIZG3/F936BOWOCIZE1/F936BXXSCIZE1
GTOGuatemalaJul 29, 2026+1 dayF936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
MXOMexicoJul 29, 2026+1 dayF936BXXSCIZG3/F936BOWOCIZE1/F936BXXSCIZE1
PEOPeruJul 29, 2026+1 dayF936BXXSCIZG3/F936BOWOCIZE1/F936BXXSCIZE1
PETPeru (Movistar)Jul 29, 2026+1 dayF936BXXSCIZG3/F936BOWOCIZE1/F936BXXSCIZE1
PGUGuatemalaJul 29, 2026+1 dayF936BXXSCIZG3/F936BOWOCIZE1/F936BXXSCIZE1
PNTPanamaJul 29, 2026+1 dayF936BXXSCIZG3/F936BOWOCIZE1/F936BXXSCIZE1
SAMOceaniaJul 29, 2026+1 dayF936BXXSCIZG3/F936BOWOCIZE1/F936BXXSCIZE1
TCEMexico (Telcel)Jul 29, 2026+1 dayF936BXXSCIZG3/F936BOWOCIZE1/F936BXXSCIZE1
TPAPanamaJul 29, 2026+1 dayF936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1
UPOUruguayJul 29, 2026+1 dayF936BXXSCIZG3/F936BOWOCIZE1/F936BXXSCIZE1
UYOUruguayJul 29, 2026+1 dayF936BXXSCIZG3/F936BOWOCIZE1/F936BXXSCIZE1
ZTABrazil (Claro)Jul 29, 2026+1 dayF936BXXSCIZG3/F936BOWOCIZE1/F936BXXSCIZE1
ZTMBrazil (TIM)Jul 29, 2026+1 dayF936BXXSCIZG3/F936BOWOCIZE1/F936BXXSCIZE1
ZTOBrazilJul 29, 2026+1 dayF936BXXSCIZG3/F936BOWOCIZE1/F936BXXSCIZE1
ZVVBrazil (Vivo)Jul 29, 2026+1 dayF936BXXSCIZG3/F936BOWOCIZE1/F936BXXSCIZE1

Download and release notes

samloader download -m SM-F936B -r EUX -v F936BXXSCIZG3/F936BOXMCIZE1/F936BXXSCIZE1

Samsung's release notes and security patch level for this update: SM-F936B / EUX on doc.samsungmobile.com. What each part of the build number means: decode F936BXXSCIZG3.