S942BXXS4AZG5 – Galaxy S26 firmware
Build S942BXXS4AZG5 is a security update for the Galaxy S26 (SM-S942B)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Jul 12, 2026 (method) and has reached
79 regions so far. It raises the bootloader bit from 3 to 4: once installed, the device no longer accepts firmware with bit 3 or lower, so a downgrade to S942BXXS3AZF4 is blocked. Samsung still serves this file.
- Model
- SM-S942B
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 4
- First released
- Jul 12, 2026
- Regions
- 79
Rollout timeline by region
The date each region code (CSC) first received S942BXXS4AZG5, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
ARO | Argentina | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
BVO | Bolivia | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
CDR | Dominican Republic | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
CGU | Guatemala (Claro) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
CHE | Chile (Entel) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
CHL | Chile (Claro) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
CHO | Chile | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
CHT | Chile (Movistar) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
COB | Colombia (Movistar) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
COM | Colombia (Claro) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
COO | Colombia | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
CRC | Costa Rica | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
CTI | Argentina (Claro) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
DOR | Dominican Republic | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
ECO | Ecuador | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
GLO | Nigeria (Glo) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
GTO | Guatemala | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
IUS | Mexico (AT&T) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
MXO | Mexico | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
PGU | Guatemala | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
PSN | Argentina (Personal) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
TCE | Mexico (Telcel) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
TGP | Paraguay | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
UFN | Argentina (Movistar) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
UPO | Uruguay | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
UYO | Uruguay | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
ZTA | Brazil (Claro) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
ZTM | Brazil (TIM) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
ZTO | Brazil | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
ZVV | Brazil (Vivo) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
BKD | Bangladesh | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
CAU | Caucasus | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
INS | India | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
NPB | Nepal | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
SER | Russia | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
SKZ | Kazakhstan | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
SLK | Sri Lanka | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
ACR | Ghana | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
AFR | Africa | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
DKR | Senegal | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
ECT | Nigeria | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
GLB | Philippines (Globe) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
LYS | Libya | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
MM1 | Singapore (M1) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
SIN | Singapore (Singtel) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
STH | Singapore (StarHub) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
THL | Thailand | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
TUN | Tunisia | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
XFA | South Africa | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
XFV | South Africa (Vodacom) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
XID | Indonesia | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
XME | Malaysia | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
XNZ | New Zealand | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
XSA | Australia | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
XSP | Singapore | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
XTC | Philippines | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
XXV | Vietnam | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
AFG | Afghanistan | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
EGY | Egypt | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
ILO | Israel | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
KSA | Saudi Arabia | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
MID | Middle East | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
MOB | Austria (A1) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
MWD | Morocco | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
PKD | Pakistan | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
PLS | Poland (Plus) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
PRT | Poland (Play) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
SFR | France (SFR) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
SIM | Slovenia (A1) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
SWC | Switzerland | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
TUR | Turkey | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
XSG | United Arab Emirates | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
BOG | France (Bouygues) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
EUX | Europe (Multi-CSC) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
EUY | Europe (Multi-CSC) | Jul 12, 2026 | day 0 | S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5 |
PEO | Peru | Jul 14, 2026 | +2 days | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
PET | Peru (Movistar) | Jul 14, 2026 | +2 days | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
PNT | Panama | Jul 14, 2026 | +2 days | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
SAM | Oceania | Jul 14, 2026 | +2 days | S942BXXS4AZG5/S942BOWO4AZG5/S942BXXS4AZG5 |
Download and release notes
samloader download -m SM-S942B -r EUX -v S942BXXS4AZG5/S942BOXM4AZG5/S942BXXS4AZG5Samsung'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 S942BXXS4AZG5.