F936BXXSCIZF1 – Galaxy Z Fold4 firmware

Build F936BXXSCIZF1 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 Jun 28, 2026 (method) and has reached 80 regions so far. It keeps bootloader bit 12, so downgrading to the previous build F936BXXSCIZE1 is still possible. Samsung still serves this file.

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

Rollout timeline by region

The date each region code (CSC) first received F936BXXSCIZF1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
XIDIndonesiaJun 28, 2026day 0F936BXXSCIZF1/F936BOLECIZE1/F936BXXSCIZE1
ACRGhanaJun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
AFGAfghanistanJun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
AFRAfricaJun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
DKRSenegalJun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
ECTNigeriaJun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
EGYEgyptJun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
GLBPhilippines (Globe)Jun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
ILOIsraelJun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
KSASaudi ArabiaJun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
LYSLibyaJun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
MIDMiddle EastJun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
MM1Singapore (M1)Jun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
MWDMoroccoJun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
PKDPakistanJun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
SINSingapore (Singtel)Jun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
STHSingapore (StarHub)Jun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
THLThailandJun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
TUNTunisiaJun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
TURTurkeyJun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
XFASouth AfricaJun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
XFESouth AfricaJun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
XFVSouth Africa (Vodacom)Jun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
XMEMalaysiaJun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
XSGUnited Arab EmiratesJun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
XSPSingaporeJun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
XTCPhilippinesJun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
XXVVietnamJun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
XNZNew ZealandJun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
EUYEurope (Multi-CSC)Jun 28, 2026day 0F936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
BOGFrance (Bouygues)Jun 29, 2026+1 dayF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
BTBUnited Kingdom (BT)Jun 29, 2026+1 dayF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
CAUCaucasusJun 29, 2026+1 dayF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
EUXEurope (Multi-CSC)Jun 29, 2026+1 dayF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
EVRUnited Kingdom (EE)Jun 29, 2026+1 dayF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
MEOPortugal (MEO)Jun 29, 2026+1 dayF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
MOBAustria (A1)Jun 29, 2026+1 dayF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
MOTSlovenia (Telekom)Jun 29, 2026+1 dayF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
MSRSerbiaJun 29, 2026+1 dayF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
O2CCzech Republic (O2)Jun 29, 2026+1 dayF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
PLSPoland (Plus)Jun 29, 2026+1 dayF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
PRTPoland (Play)Jun 29, 2026+1 dayF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
SEKUkraineJun 29, 2026+1 dayF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
SFRFrance (SFR)Jun 29, 2026+1 dayF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
SIMSlovenia (A1)Jun 29, 2026+1 dayF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
SKZKazakhstanJun 29, 2026+1 dayF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
SWCSwitzerlandJun 29, 2026+1 dayF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
TIMItaly (TIM)Jun 29, 2026+1 dayF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
TOPSerbia/MontenegroJun 29, 2026+1 dayF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
VIPCroatia (A1)Jun 29, 2026+1 dayF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
AROArgentinaJun 30, 2026+2 daysF936BXXSCIZF1/F936BOWOCIZE1/F936BXXSCIZE1
BVOBoliviaJun 30, 2026+2 daysF936BXXSCIZF1/F936BOWOCIZE1/F936BXXSCIZE1
COMColombia (Claro)Jun 30, 2026+2 daysF936BXXSCIZF1/F936BOWOCIZE1/F936BXXSCIZE1
UPOUruguayJun 30, 2026+2 daysF936BXXSCIZF1/F936BOWOCIZE1/F936BXXSCIZE1
UYOUruguayJun 30, 2026+2 daysF936BXXSCIZF1/F936BOWOCIZE1/F936BXXSCIZE1
ZTABrazil (Claro)Jun 30, 2026+2 daysF936BXXSCIZF1/F936BOWOCIZE1/F936BXXSCIZE1
ZTMBrazil (TIM)Jun 30, 2026+2 daysF936BXXSCIZF1/F936BOWOCIZE1/F936BXXSCIZE1
ZTOBrazilJun 30, 2026+2 daysF936BXXSCIZF1/F936BOWOCIZE1/F936BXXSCIZE1
ZVVBrazil (Vivo)Jun 30, 2026+2 daysF936BXXSCIZF1/F936BOWOCIZE1/F936BXXSCIZE1
CDRDominican RepublicJun 30, 2026+2 daysF936BXXSCIZF1/F936BOWOCIZE1/F936BXXSCIZE1
CGUGuatemala (Claro)Jun 30, 2026+2 daysF936BXXSCIZF1/F936BOWOCIZE1/F936BXXSCIZE1
CRCCosta RicaJun 30, 2026+2 daysF936BXXSCIZF1/F936BOWOCIZE1/F936BXXSCIZE1
GLONigeria (Glo)Jun 30, 2026+2 daysF936BXXSCIZF1/F936BOWOCIZE1/F936BXXSCIZE1
MXOMexicoJun 30, 2026+2 daysF936BXXSCIZF1/F936BOWOCIZE1/F936BXXSCIZE1
PEOPeruJun 30, 2026+2 daysF936BXXSCIZF1/F936BOWOCIZE1/F936BXXSCIZE1
PETPeru (Movistar)Jun 30, 2026+2 daysF936BXXSCIZF1/F936BOWOCIZE1/F936BXXSCIZE1
PGUGuatemalaJun 30, 2026+2 daysF936BXXSCIZF1/F936BOWOCIZE1/F936BXXSCIZE1
PNTPanamaJun 30, 2026+2 daysF936BXXSCIZF1/F936BOWOCIZE1/F936BXXSCIZE1
SAMOceaniaJun 30, 2026+2 daysF936BXXSCIZF1/F936BOWOCIZE1/F936BXXSCIZE1
TCEMexico (Telcel)Jun 30, 2026+2 daysF936BXXSCIZF1/F936BOWOCIZE1/F936BXXSCIZE1
CHOChileJul 1, 2026+3 daysF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
COBColombia (Movistar)Jul 1, 2026+3 daysF936BXXSCIZF1/F936BOWOCIZE1/F936BXXSCIZE1
COOColombiaJul 1, 2026+3 daysF936BXXSCIZF1/F936BOWOCIZE1/F936BXXSCIZE1
EBEEcuadorJul 1, 2026+3 daysF936BXXSCIZF1/F936BOWOCIZE1/F936BXXSCIZE1
ECOEcuadorJul 1, 2026+3 daysF936BXXSCIZF1/F936BOWOCIZE1/F936BXXSCIZE1
GTOGuatemalaJul 1, 2026+3 daysF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
TPAPanamaJul 1, 2026+3 daysF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
BKDBangladeshJul 1, 2026+3 daysF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
INSIndiaJul 1, 2026+3 daysF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1
SLKSri LankaJul 1, 2026+3 daysF936BXXSCIZF1/F936BOXMCIZE1/F936BXXSCIZE1

Download and release notes

samloader download -m SM-F936B -r EUX -v F936BXXSCIZF1/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 F936BXXSCIZF1.