X736BXXS9BZI1 – Galaxy Tab S11 5G firmware

Build X736BXXS9BZI1 is a security update for the Galaxy Tab S11 5G (SM-X736B) on Android 16 (One UI 8). It first appeared on Samsung's servers on Sep 20, 2026 (method) and has reached 41 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 X736BXXS8BZH4 is blocked. Samsung still serves this file.

Model
SM-X736B
Android
Android 16
Type
Security
Bootloader bit
9
First released
Sep 20, 2026
Regions
41

Rollout timeline by region

The date each region code (CSC) first received X736BXXS9BZI1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
EUXEurope (Multi-CSC)Sep 20, 2026day 0X736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
EUYEurope (Multi-CSC)Sep 20, 2026day 0X736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
TURTurkeySep 20, 2026day 0X736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
INSIndiaSep 21, 2026+1 dayX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
SLKSri LankaSep 21, 2026+1 dayX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
THLThailandSep 21, 2026+1 dayX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
XIDIndonesiaSep 21, 2026+1 dayX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
XMEMalaysiaSep 21, 2026+1 dayX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
XNZNew ZealandSep 21, 2026+1 dayX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
XTCPhilippinesSep 21, 2026+1 dayX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
XXVVietnamSep 21, 2026+1 dayX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
CAUCaucasusSep 22, 2026+2 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
SERRussiaSep 22, 2026+2 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
SKZKazakhstanSep 22, 2026+2 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
BVOBoliviaSep 22, 2026+2 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
GTOGuatemalaSep 22, 2026+2 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
MXOMexicoSep 22, 2026+2 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
ZTOBrazilSep 22, 2026+2 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
ACRGhanaSep 22, 2026+2 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
AFGAfghanistanSep 22, 2026+2 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
AFRAfricaSep 22, 2026+2 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
DKRSenegalSep 22, 2026+2 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
ECTNigeriaSep 22, 2026+2 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
EGYEgyptSep 22, 2026+2 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
ILOIsraelSep 22, 2026+2 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
KSASaudi ArabiaSep 22, 2026+2 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
LYSLibyaSep 22, 2026+2 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
MIDMiddle EastSep 22, 2026+2 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
MWDMoroccoSep 22, 2026+2 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
PAKPakistanSep 22, 2026+2 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
TUNTunisiaSep 22, 2026+2 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
XFASouth AfricaSep 22, 2026+2 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
XFVSouth Africa (Vodacom)Sep 22, 2026+2 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
XSGUnited Arab EmiratesSep 22, 2026+2 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
XSAAustraliaSep 23, 2026+3 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
MM1Singapore (M1)Sep 27, 2026+7 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
SINSingapore (Singtel)Sep 27, 2026+7 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
STHSingapore (StarHub)Sep 27, 2026+7 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
XSPSingaporeSep 27, 2026+7 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
BRITaiwanOct 15, 2026+25 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1
TGYHong KongOct 15, 2026+25 daysX736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1

Download and release notes

samloader download -m SM-X736B -r EUX -v X736BXXS9BZI1/X736BOXM9BZI1/X736BXXS9BZI1

Samsung's release notes and security patch level for this update: SM-X736B / EUX on doc.samsungmobile.com. What each part of the build number means: decode X736BXXS9BZI1.