S948BXXS4AZG5 – Galaxy S26 Ultra firmware

Build S948BXXS4AZG5 is a security update for the Galaxy S26 Ultra (SM-S948B) on Android 16 (One UI 8). It first appeared on Samsung's servers on Jul 12, 2026 (method) and has reached 45 regions so far. It keeps bootloader bit 4, so downgrading to the previous build S948BXXS4AZG6 is still possible. Samsung still serves this file.

Model
SM-S948B
Android
Android 16
Type
Security
Bootloader bit
4
First released
Jul 12, 2026
Regions
45

Rollout timeline by region

The date each region code (CSC) first received S948BXXS4AZG5, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BKDBangladeshJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
INSIndiaJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
NPBNepalJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
SKZKazakhstanJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
SLKSri LankaJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
CAUCaucasusJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
GLBPhilippines (Globe)Jul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
MM1Singapore (M1)Jul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
SERRussiaJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
SINSingapore (Singtel)Jul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
STHSingapore (StarHub)Jul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
THLThailandJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
XIDIndonesiaJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
XMEMalaysiaJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
XNZNew ZealandJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
XSAAustraliaJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
XSPSingaporeJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
XTCPhilippinesJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
XXVVietnamJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
ACRGhanaJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
AFGAfghanistanJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
AFRAfricaJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
DKRSenegalJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
ECTNigeriaJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
EGYEgyptJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
ILOIsraelJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
KSASaudi ArabiaJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
LYSLibyaJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
MIDMiddle EastJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
MWDMoroccoJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
PKDPakistanJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
TUNTunisiaJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
XFASouth AfricaJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
XFVSouth Africa (Vodacom)Jul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
XSGUnited Arab EmiratesJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
BOGFrance (Bouygues)Jul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
EUXEurope (Multi-CSC)Jul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
EUYEurope (Multi-CSC)Jul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
MOBAustria (A1)Jul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
PLSPoland (Plus)Jul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
PRTPoland (Play)Jul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
SFRFrance (SFR)Jul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
SIMSlovenia (A1)Jul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
SWCSwitzerlandJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5
TURTurkeyJul 12, 2026day 0S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5

Download and release notes

samloader download -m SM-S948B -r EUX -v S948BXXS4AZG5/S948BOXM4AZG5/S948BXXS4AZG5

Samsung's release notes and security patch level for this update: SM-S948B / EUX on doc.samsungmobile.com. What each part of the build number means: decode S948BXXS4AZG5.