S942BXXU5BZJA – Galaxy S26 firmware

Build S942BXXU5BZJA is a feature update for the Galaxy S26 (SM-S942B) on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 28, 2026 (method) and has reached 47 regions so far. It raises the bootloader bit from 4 to 5: once installed, the device no longer accepts firmware with bit 4 or lower, so a downgrade to S942BXXS4BZIG is blocked. Samsung still serves this file.

Model
SM-S942B
Android
Android 17
Type
Feature
Bootloader bit
5
First released
Oct 28, 2026
Regions
47

Rollout timeline by region

The date each region code (CSC) first received S942BXXU5BZJA, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BKDBangladeshOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
GLBPhilippines (Globe)Oct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
INSIndiaOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
MM1Singapore (M1)Oct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
NPBNepalOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
SINSingapore (Singtel)Oct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
SLKSri LankaOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
STHSingapore (StarHub)Oct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
THLThailandOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
XIDIndonesiaOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
XMEMalaysiaOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
XNZNew ZealandOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
XSAAustraliaOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
XSPSingaporeOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
XTCPhilippinesOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
XXVVietnamOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
ACRGhanaOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
AFGAfghanistanOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
AFRAfricaOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
CAUCaucasusOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
DKRSenegalOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
ECTNigeriaOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
EGYEgyptOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
ILOIsraelOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
KSASaudi ArabiaOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
LYSLibyaOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
MIDMiddle EastOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
MWDMoroccoOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
PKDPakistanOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
SERRussiaOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
SKZKazakhstanOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
TUNTunisiaOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
XFASouth AfricaOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
XFVSouth Africa (Vodacom)Oct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
BOGFrance (Bouygues)Oct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
MOBAustria (A1)Oct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
PLSPoland (Plus)Oct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
PRTPoland (Play)Oct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
SFRFrance (SFR)Oct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
SIMSlovenia (A1)Oct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
SWCSwitzerlandOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
XSGUnited Arab EmiratesOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
EUXEurope (Multi-CSC)Oct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
EUYEurope (Multi-CSC)Oct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
TURTurkeyOct 28, 2026day 0S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA
GTOGuatemalaOct 29, 2026+1 dayS942BXXU5BZJA/S942BOWO5BZJA/S942BXXU5BZJA
BVOBoliviaNov 4, 2026+7 daysS942BXXU5BZJA/S942BOWO5BZJA/S942BXXU5BZJA

Download and release notes

samloader download -m SM-S942B -r EUX -v S942BXXU5BZJA/S942BOXM5BZJA/S942BXXU5BZJA

Samsung's release notes and security patch level for this update: SM-S942B / EUX on doc.samsungmobile.com. What each part of the build number means: decode S942BXXU5BZJA.