X936BXXS9BZI1 – Galaxy Tab S11 Ultra 5G firmware

Build X936BXXS9BZI1 is a security update for the Galaxy Tab S11 Ultra 5G (SM-X936B) on Android 16 (One UI 8). It first appeared on Samsung's servers on Sep 21, 2026 (method) and has reached 37 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 X936BXXS8BZH4 is blocked. Samsung still serves this file.

Model
SM-X936B
Android
Android 16
Type
Security
Bootloader bit
9
First released
Sep 21, 2026
Regions
37

Rollout timeline by region

The date each region code (CSC) first received X936BXXS9BZI1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
CAUCaucasusSep 21, 2026day 0X936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
SERRussiaSep 21, 2026day 0X936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
SKZKazakhstanSep 21, 2026day 0X936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
THLThailandSep 21, 2026day 0X936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
XIDIndonesiaSep 21, 2026day 0X936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
XMEMalaysiaSep 21, 2026day 0X936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
XNZNew ZealandSep 21, 2026day 0X936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
XTCPhilippinesSep 21, 2026day 0X936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
XXVVietnamSep 21, 2026day 0X936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
INSIndiaSep 21, 2026day 0X936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
SLKSri LankaSep 21, 2026day 0X936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
EUXEurope (Multi-CSC)Sep 22, 2026+1 dayX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
EUYEurope (Multi-CSC)Sep 22, 2026+1 dayX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
TURTurkeySep 22, 2026+1 dayX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
ACRGhanaSep 22, 2026+1 dayX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
AFGAfghanistanSep 22, 2026+1 dayX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
AFRAfricaSep 22, 2026+1 dayX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
DKRSenegalSep 22, 2026+1 dayX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
ECTNigeriaSep 22, 2026+1 dayX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
EGYEgyptSep 22, 2026+1 dayX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
ILOIsraelSep 22, 2026+1 dayX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
KSASaudi ArabiaSep 22, 2026+1 dayX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
LYSLibyaSep 22, 2026+1 dayX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
MIDMiddle EastSep 22, 2026+1 dayX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
MWDMoroccoSep 22, 2026+1 dayX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
PAKPakistanSep 22, 2026+1 dayX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
TUNTunisiaSep 22, 2026+1 dayX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
XFASouth AfricaSep 22, 2026+1 dayX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
XFVSouth Africa (Vodacom)Sep 22, 2026+1 dayX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
XSGUnited Arab EmiratesSep 22, 2026+1 dayX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
XSAAustraliaSep 23, 2026+2 daysX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
MM1Singapore (M1)Sep 27, 2026+6 daysX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
SINSingapore (Singtel)Sep 27, 2026+6 daysX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
STHSingapore (StarHub)Sep 27, 2026+6 daysX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
XSPSingaporeSep 27, 2026+6 daysX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
BRITaiwanOct 14, 2026+23 daysX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1
TGYHong KongOct 14, 2026+23 daysX936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1

Download and release notes

samloader download -m SM-X936B -r EUX -v X936BXXS9BZI1/X936BOXM9BZI1/X936BXXS9BZI1

Samsung's release notes and security patch level for this update: SM-X936B / EUX on doc.samsungmobile.com. What each part of the build number means: decode X936BXXS9BZI1.