S741BXXS3AZK1 – Galaxy S26 FE firmware

Build S741BXXS3AZK1 is a security update for the Galaxy S26 FE (SM-S741B) on Android 17 (One UI 9). It first appeared on Samsung's servers on Nov 11, 2026 (method) and has reached 32 regions so far. It raises the bootloader bit from 2 to 3: once installed, the device no longer accepts firmware with bit 2 or lower, so a downgrade to S741BXXU2AZJ5 is blocked. Samsung still serves this file.

Model
SM-S741B
Android
Android 17
Type
Security
Bootloader bit
3
First released
Nov 11, 2026
Regions
32

Not yet released in 25 regions that are still on an older build: ARO, BKD, CHE, CHL, CHO, CHT, COM, CTI, INS, IUS, MM1, MXO, NPB, PEO and 11 more.

Rollout timeline by region

The date each region code (CSC) first received S741BXXS3AZK1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
TURTurkeyNov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
EUXEurope (Multi-CSC)Nov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
EUYEurope (Multi-CSC)Nov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
PLSPoland (Plus)Nov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
PRTPoland (Play)Nov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
BRITaiwanNov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
GLBPhilippines (Globe)Nov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
THLThailandNov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
XMEMalaysiaNov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
XNZNew ZealandNov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
XSAAustraliaNov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
XTCPhilippinesNov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
XXVVietnamNov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
ACRGhanaNov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
AFGAfghanistanNov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
AFRAfricaNov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
DKRSenegalNov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
ECTNigeriaNov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
KSASaudi ArabiaNov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
LYSLibyaNov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
MIDMiddle EastNov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
MWDMoroccoNov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
TUNTunisiaNov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
XFASouth AfricaNov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
XFVSouth Africa (Vodacom)Nov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
XSGUnited Arab EmiratesNov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
CAUCaucasusNov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
EGYEgyptNov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
ILOIsraelNov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
PKDPakistanNov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
SKZKazakhstanNov 11, 2026day 0S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1
GTOGuatemalaNov 12, 2026+1 dayS741BXXS3AZK1/S741BOWO3AZK1/S741BXXS3AZK1

Download and release notes

samloader download -m SM-S741B -r EUX -v S741BXXS3AZK1/S741BOXM3AZK1/S741BXXS3AZK1

Samsung's release notes and security patch level for this update: SM-S741B / EUX on doc.samsungmobile.com. What each part of the build number means: decode S741BXXS3AZK1.