F966BXXUCCZIH – Galaxy Z Fold7 firmware

Build F966BXXUCCZIH is a feature update for the Galaxy Z Fold7 (SM-F966B) on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 5, 2026 (method) and has reached 68 regions so far. It keeps bootloader bit 12, so downgrading to the previous build F966BXXSCBZH3 is still possible. Samsung still serves this file.

Model
SM-F966B
Android
Android 17
Type
Feature
Bootloader bit
12
First released
Oct 5, 2026
Regions
68

Rollout timeline by region

The date each region code (CSC) first received F966BXXUCCZIH, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
TURTurkeyOct 5, 2026day 0F966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
ACRGhanaOct 5, 2026day 0F966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
AFRAfricaOct 5, 2026day 0F966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
DKRSenegalOct 5, 2026day 0F966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
ECTNigeriaOct 5, 2026day 0F966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
GLBPhilippines (Globe)Oct 5, 2026day 0F966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
ILOIsraelOct 5, 2026day 0F966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
KSASaudi ArabiaOct 5, 2026day 0F966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
MIDMiddle EastOct 5, 2026day 0F966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
MM1Singapore (M1)Oct 5, 2026day 0F966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
SINSingapore (Singtel)Oct 5, 2026day 0F966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
SKZKazakhstanOct 5, 2026day 0F966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
STHSingapore (StarHub)Oct 5, 2026day 0F966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
THLThailandOct 5, 2026day 0F966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
XIDIndonesiaOct 5, 2026day 0F966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
XMEMalaysiaOct 5, 2026day 0F966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
XSAAustraliaOct 5, 2026day 0F966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
XSGUnited Arab EmiratesOct 5, 2026day 0F966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
XSPSingaporeOct 5, 2026day 0F966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
XTCPhilippinesOct 5, 2026day 0F966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
XXVVietnamOct 5, 2026day 0F966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
CAUCaucasusOct 5, 2026day 0F966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
SEKUkraineOct 5, 2026day 0F966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
INSIndiaOct 5, 2026day 0F966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
MOBAustria (A1)Oct 6, 2026+1 dayF966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
MSRSerbiaOct 6, 2026+1 dayF966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
SWCSwitzerlandOct 6, 2026+1 dayF966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
TOPSerbia/MontenegroOct 6, 2026+1 dayF966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
BOGFrance (Bouygues)Oct 6, 2026+1 dayF966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
EUXEurope (Multi-CSC)Oct 6, 2026+1 dayF966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
EUYEurope (Multi-CSC)Oct 6, 2026+1 dayF966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
MEOPortugal (MEO)Oct 6, 2026+1 dayF966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
MOTSlovenia (Telekom)Oct 6, 2026+1 dayF966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
PLSPoland (Plus)Oct 6, 2026+1 dayF966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
PRTPoland (Play)Oct 6, 2026+1 dayF966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
SFRFrance (SFR)Oct 6, 2026+1 dayF966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
SIMSlovenia (A1)Oct 6, 2026+1 dayF966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
VIPCroatia (A1)Oct 6, 2026+1 dayF966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
GTOGuatemalaOct 6, 2026+1 dayF966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
COOColombiaOct 7, 2026+2 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH
MXOMexicoOct 8, 2026+3 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH
TCEMexico (Telcel)Oct 8, 2026+3 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH
ZTABrazil (Claro)Oct 8, 2026+3 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH
ZTMBrazil (TIM)Oct 8, 2026+3 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH
ZTOBrazilOct 8, 2026+3 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH
ZVVBrazil (Vivo)Oct 8, 2026+3 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH
XFVSouth Africa (Vodacom)Oct 11, 2026+6 daysF966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
XNZNew ZealandOct 11, 2026+6 daysF966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
XFASouth AfricaOct 11, 2026+6 daysF966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH
EBEEcuadorOct 13, 2026+8 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH
ECOEcuadorOct 13, 2026+8 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH
PEOPeruOct 13, 2026+8 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH
PETPeru (Movistar)Oct 13, 2026+8 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH
UYOUruguayOct 14, 2026+9 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH
AROArgentinaOct 20, 2026+15 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH
CHOChileOct 20, 2026+15 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH
CTIArgentina (Claro)Oct 20, 2026+15 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH
PSNArgentina (Personal)Oct 20, 2026+15 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH
UFNArgentina (Movistar)Oct 20, 2026+15 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH
TGPParaguayOct 28, 2026+23 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH
UPOUruguayOct 28, 2026+23 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH
COMColombia (Claro)Oct 28, 2026+23 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH
CDRDominican RepublicOct 28, 2026+23 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH
CGUGuatemala (Claro)Oct 28, 2026+23 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH
CRCCosta RicaOct 28, 2026+23 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH
DORDominican RepublicOct 28, 2026+23 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH
GLONigeria (Glo)Oct 28, 2026+23 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH
PGUGuatemalaOct 28, 2026+23 daysF966BXXUCCZIH/F966BOWOCCZIH/F966BXXUCCZIH

Download and release notes

samloader download -m SM-F966B -r EUX -v F966BXXUCCZIH/F966BOXMCCZIH/F966BXXUCCZIH

Samsung's release notes and security patch level for this update: SM-F966B / EUX on doc.samsungmobile.com. What each part of the build number means: decode F966BXXUCCZIH.