S731BXXS9BZH1 – Galaxy S25 FE firmware
Build S731BXXS9BZH1 is a security update for the Galaxy S25 FE (SM-S731B)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Aug 30, 2026 (method) and has reached
82 regions so far. It raises the bootloader bit from 8 to 9: once installed, the device no longer accepts firmware with bit 8 or lower, so a downgrade to S731BXXS8BZG1 is blocked. Samsung still serves this file.
- Model
- SM-S731B
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 9
- First released
- Aug 30, 2026
- Regions
- 82
Rollout timeline by region
The date each region code (CSC) first received S731BXXS9BZH1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
BOG | France (Bouygues) | Aug 30, 2026 | day 0 | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
EUX | Europe (Multi-CSC) | Aug 30, 2026 | day 0 | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
EUY | Europe (Multi-CSC) | Aug 30, 2026 | day 0 | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
MOB | Austria (A1) | Aug 30, 2026 | day 0 | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
PLS | Poland (Plus) | Aug 30, 2026 | day 0 | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
PRT | Poland (Play) | Aug 30, 2026 | day 0 | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
SFR | France (SFR) | Aug 30, 2026 | day 0 | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
SIM | Slovenia (A1) | Aug 30, 2026 | day 0 | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
SWC | Switzerland | Aug 30, 2026 | day 0 | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
TUR | Turkey | Aug 30, 2026 | day 0 | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
BKD | Bangladesh | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
INS | India | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
NPB | Nepal | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
SLK | Sri Lanka | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
ARO | Argentina | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
BVO | Bolivia | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
CHO | Chile | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
GLO | Nigeria (Glo) | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
GTO | Guatemala | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
MXO | Mexico | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
UPO | Uruguay | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
UYO | Uruguay | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
ZTO | Brazil | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
CGU | Guatemala (Claro) | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
CHE | Chile (Entel) | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
CHL | Chile (Claro) | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
CHT | Chile (Movistar) | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
COM | Colombia (Claro) | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
CRC | Costa Rica | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
CTI | Argentina (Claro) | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
DOR | Dominican Republic | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
IUS | Mexico (AT&T) | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
PGU | Guatemala | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
PSN | Argentina (Personal) | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
TCE | Mexico (Telcel) | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
UFN | Argentina (Movistar) | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
ZTA | Brazil (Claro) | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
ZTM | Brazil (TIM) | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
ZVV | Brazil (Vivo) | Aug 31, 2026 | +1 day | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
CDR | Dominican Republic | Sep 1, 2026 | +2 days | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
BRI | Taiwan | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
GLB | Philippines (Globe) | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
MM1 | Singapore (M1) | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
SIN | Singapore (Singtel) | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
STH | Singapore (StarHub) | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
THL | Thailand | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
XID | Indonesia | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
XME | Malaysia | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
XNZ | New Zealand | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
XSP | Singapore | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
XTC | Philippines | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
XXV | Vietnam | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
ACR | Ghana | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
AFG | Afghanistan | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
AFR | Africa | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
DKR | Senegal | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
ECT | Nigeria | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
EGY | Egypt | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
KSA | Saudi Arabia | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
LYS | Libya | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
MID | Middle East | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
MWD | Morocco | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
PAK | Pakistan | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
PKD | Pakistan | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
TUN | Tunisia | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
XFA | South Africa | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
XFV | South Africa (Vodacom) | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
XSG | United Arab Emirates | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
CAU | Caucasus | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
SER | Russia | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
SKZ | Kazakhstan | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
XSA | Australia | Sep 2, 2026 | +3 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
ILO | Israel | Sep 15, 2026 | +16 days | S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1 |
COB | Colombia (Movistar) | Sep 15, 2026 | +16 days | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
COL | Colombia | Sep 15, 2026 | +16 days | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
COO | Colombia | Sep 15, 2026 | +16 days | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
EBE | Ecuador | Sep 15, 2026 | +16 days | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
ECO | Ecuador | Sep 15, 2026 | +16 days | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
PEO | Peru | Sep 15, 2026 | +16 days | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
PET | Peru (Movistar) | Sep 15, 2026 | +16 days | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
PNT | Panama | Sep 15, 2026 | +16 days | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
SAM | Oceania | Sep 15, 2026 | +16 days | S731BXXS9BZH1/S731BOWO9BZH1/S731BXXS9BZH1 |
Download and release notes
samloader download -m SM-S731B -r EUX -v S731BXXS9BZH1/S731BOXM9BZH1/S731BXXS9BZH1Samsung's release notes and security patch level for this update: SM-S731B / EUX on doc.samsungmobile.com. What each part of the build number means: decode S731BXXS9BZH1.