F766BXXSCBZH3 – Galaxy Z Flip7 firmware

Build F766BXXSCBZH3 is a security update for the Galaxy Z Flip7 (SM-F766B) on Android 16 (One UI 8). It first appeared on Samsung's servers on Aug 31, 2026 (method) and has reached 69 regions so far. It raises the bootloader bit from 11 to 12: once installed, the device no longer accepts firmware with bit 11 or lower, so a downgrade to F766BXXSBBZG3 is blocked. Samsung still serves this file.

Model
SM-F766B
Android
Android 16
Type
Security
Bootloader bit
12
First released
Aug 31, 2026
Regions
69

Rollout timeline by region

The date each region code (CSC) first received F766BXXSCBZH3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
GTOGuatemalaAug 31, 2026day 0F766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
BOGFrance (Bouygues)Aug 31, 2026day 0F766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
EUYEurope (Multi-CSC)Aug 31, 2026day 0F766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
MEOPortugal (MEO)Aug 31, 2026day 0F766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
MOBAustria (A1)Aug 31, 2026day 0F766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
MOTSlovenia (Telekom)Aug 31, 2026day 0F766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
MSRSerbiaAug 31, 2026day 0F766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
PLSPoland (Plus)Aug 31, 2026day 0F766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
PRTPoland (Play)Aug 31, 2026day 0F766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
SFRFrance (SFR)Aug 31, 2026day 0F766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
SIMSlovenia (A1)Aug 31, 2026day 0F766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
SWCSwitzerlandAug 31, 2026day 0F766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
TOPSerbia/MontenegroAug 31, 2026day 0F766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
VIPCroatia (A1)Aug 31, 2026day 0F766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
AROArgentinaAug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
CDRDominican RepublicAug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
CGUGuatemala (Claro)Aug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
CHOChileAug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
COMColombia (Claro)Aug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
COOColombiaAug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
CRCCosta RicaAug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
CTIArgentina (Claro)Aug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
DORDominican RepublicAug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
EBEEcuadorAug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
ECOEcuadorAug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
EUXEurope (Multi-CSC)Aug 31, 2026day 0F766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
GLONigeria (Glo)Aug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
MXOMexicoAug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
PEOPeruAug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
PETPeru (Movistar)Aug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
PGUGuatemalaAug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
PSNArgentina (Personal)Aug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
TCEMexico (Telcel)Aug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
TGPParaguayAug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
UFNArgentina (Movistar)Aug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
UPOUruguayAug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
UYOUruguayAug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
ZTABrazil (Claro)Aug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
ZTMBrazil (TIM)Aug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
ZTOBrazilAug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
ZVVBrazil (Vivo)Aug 31, 2026day 0F766BXXSCBZH3/F766BOWOCBZH3/F766BXXSCBZH3
GLBPhilippines (Globe)Aug 31, 2026day 0F766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
INSIndiaAug 31, 2026day 0F766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
MM1Singapore (M1)Aug 31, 2026day 0F766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
SINSingapore (Singtel)Aug 31, 2026day 0F766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
STHSingapore (StarHub)Aug 31, 2026day 0F766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
THLThailandAug 31, 2026day 0F766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
ITVItalyAug 31, 2026day 0F766BXXSCBZH3/F766BOXOCBZH3/F766BXXSCBZH3
ACRGhanaSep 1, 2026+1 dayF766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
AFRAfricaSep 1, 2026+1 dayF766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
CAUCaucasusSep 1, 2026+1 dayF766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
DKRSenegalSep 1, 2026+1 dayF766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
ECTNigeriaSep 1, 2026+1 dayF766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
ILOIsraelSep 1, 2026+1 dayF766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
KSASaudi ArabiaSep 1, 2026+1 dayF766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
MIDMiddle EastSep 1, 2026+1 dayF766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
SEKUkraineSep 1, 2026+1 dayF766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
SKZKazakhstanSep 1, 2026+1 dayF766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
TURTurkeySep 1, 2026+1 dayF766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
XFASouth AfricaSep 1, 2026+1 dayF766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
XFVSouth Africa (Vodacom)Sep 1, 2026+1 dayF766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
XIDIndonesiaSep 1, 2026+1 dayF766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
XMEMalaysiaSep 1, 2026+1 dayF766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
XNZNew ZealandSep 1, 2026+1 dayF766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
XSAAustraliaSep 1, 2026+1 dayF766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
XSGUnited Arab EmiratesSep 1, 2026+1 dayF766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
XSPSingaporeSep 1, 2026+1 dayF766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
XTCPhilippinesSep 1, 2026+1 dayF766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3
XXVVietnamSep 1, 2026+1 dayF766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3

Download and release notes

samloader download -m SM-F766B -r EUX -v F766BXXSCBZH3/F766BOXMCBZH3/F766BXXSCBZH3

Samsung's release notes and security patch level for this update: SM-F766B / EUX on doc.samsungmobile.com. What each part of the build number means: decode F766BXXSCBZH3.