S938BXXSCCZH1 – Galaxy S25 Ultra firmware

Build S938BXXSCCZH1 is a security update for the Galaxy S25 Ultra (SM-S938B) on Android 16 (One UI 8). It first appeared on Samsung's servers on Aug 30, 2026 (method) and has reached 92 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 S938BXXSBCZG3 is blocked. Samsung still serves this file.

Model
SM-S938B
Android
Android 16
Type
Security
Bootloader bit
12
First released
Aug 30, 2026
Regions
92

Rollout timeline by region

The date each region code (CSC) first received S938BXXSCCZH1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BNGBelgiumAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
GLBPhilippines (Globe)Aug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
INSIndiaAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
NPBNepalAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
SLKSri LankaAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
THLThailandAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
VAUAustralia (Vodafone)Aug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
XIDIndonesiaAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
XMEMalaysiaAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
XNZNew ZealandAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
XTCPhilippinesAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
ACRGhanaAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
AFGAfghanistanAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
AFRAfricaAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
DKRSenegalAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
ECTNigeriaAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
EGYEgyptAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
ILOIsraelAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
KSASaudi ArabiaAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
LYSLibyaAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
MIDMiddle EastAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
MM1Singapore (M1)Aug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
MOBAustria (A1)Aug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
MSRSerbiaAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
MWDMoroccoAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
OPSAustralia (Optus)Aug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
PAKPakistanAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
PKDPakistanAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
SFRFrance (SFR)Aug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
SINSingapore (Singtel)Aug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
STHSingapore (StarHub)Aug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
SWCSwitzerlandAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
TELAustralia (Telstra)Aug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
TOPSerbia/MontenegroAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
TUNTunisiaAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
TURTurkeyAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
XFASouth AfricaAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
XFVSouth Africa (Vodacom)Aug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
XSAAustraliaAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
XSGUnited Arab EmiratesAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
XSPSingaporeAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
XXVVietnamAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
BOGFrance (Bouygues)Aug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
EUXEurope (Multi-CSC)Aug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
EUYEurope (Multi-CSC)Aug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
MEOPortugal (MEO)Aug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
MOTSlovenia (Telekom)Aug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
PLSPoland (Plus)Aug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
PRTPoland (Play)Aug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
SIMSlovenia (A1)Aug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
VIPCroatia (A1)Aug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
CAUCaucasusAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
SERRussiaAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
SKZKazakhstanAug 30, 2026day 0S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1
ZTOBrazilAug 31, 2026+1 dayS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
AROArgentinaAug 31, 2026+1 dayS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
BVOBoliviaAug 31, 2026+1 dayS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
COOColombiaAug 31, 2026+1 dayS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
GLONigeria (Glo)Aug 31, 2026+1 dayS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
GTOGuatemalaAug 31, 2026+1 dayS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
PEOPeruAug 31, 2026+1 dayS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
MXOMexicoAug 31, 2026+1 dayS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
TPAPanamaAug 31, 2026+1 dayS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
UPOUruguayAug 31, 2026+1 dayS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
UYOUruguayAug 31, 2026+1 dayS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
CDRDominican RepublicSep 2, 2026+3 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
CGUGuatemala (Claro)Sep 2, 2026+3 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
COBColombia (Movistar)Sep 2, 2026+3 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
COLColombiaSep 2, 2026+3 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
COMColombia (Claro)Sep 2, 2026+3 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
CRCCosta RicaSep 2, 2026+3 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
CTIArgentina (Claro)Sep 2, 2026+3 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
DORDominican RepublicSep 2, 2026+3 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
EBEEcuadorSep 2, 2026+3 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
ECOEcuadorSep 2, 2026+3 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
PGUGuatemalaSep 2, 2026+3 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
PNTPanamaSep 2, 2026+3 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
PSNArgentina (Personal)Sep 2, 2026+3 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
TGPParaguaySep 2, 2026+3 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
TMMMyanmarSep 2, 2026+3 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
UFNArgentina (Movistar)Sep 2, 2026+3 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
ZTABrazil (Claro)Sep 2, 2026+3 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
ZTMBrazil (TIM)Sep 2, 2026+3 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
ZVVBrazil (Vivo)Sep 2, 2026+3 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
IUSMexico (AT&T)Sep 2, 2026+3 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
PETPeru (Movistar)Sep 2, 2026+3 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
SAMOceaniaSep 2, 2026+3 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
TCEMexico (Telcel)Sep 2, 2026+3 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
CHEChile (Entel)Sep 14, 2026+15 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
CHLChile (Claro)Sep 14, 2026+15 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
CHOChileSep 14, 2026+15 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1
CHTChile (Movistar)Sep 14, 2026+15 daysS938BXXSCCZH1/S938BOWOCCZH1/S938BXXSCCZH1

Download and release notes

samloader download -m SM-S938B -r EUX -v S938BXXSCCZH1/S938BOXMCCZH1/S938BXXSCCZH1

Samsung's release notes and security patch level for this update: SM-S938B / EUX on doc.samsungmobile.com. What each part of the build number means: decode S938BXXSCCZH1.