X936BXXS8BZH4 – Galaxy Tab S11 Ultra 5G firmware

Build X936BXXS8BZH4 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 7, 2026 (method) and has reached 37 regions so far. It raises the bootloader bit from 7 to 8: once installed, the device no longer accepts firmware with bit 7 or lower, so a downgrade to X936BXXS7BZG3 is blocked. Samsung still serves this file.

Model
SM-X936B
Android
Android 16
Type
Security
Bootloader bit
8
First released
Sep 7, 2026
Regions
37

Rollout timeline by region

The date each region code (CSC) first received X936BXXS8BZH4, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
CAUCaucasusSep 7, 2026day 0X936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
SERRussiaSep 7, 2026day 0X936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
SKZKazakhstanSep 7, 2026day 0X936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
THLThailandSep 7, 2026day 0X936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
XMEMalaysiaSep 7, 2026day 0X936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
XNZNew ZealandSep 7, 2026day 0X936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
XTCPhilippinesSep 7, 2026day 0X936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
XXVVietnamSep 7, 2026day 0X936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
EUXEurope (Multi-CSC)Sep 8, 2026+1 dayX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
EUYEurope (Multi-CSC)Sep 8, 2026+1 dayX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
TURTurkeySep 8, 2026+1 dayX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
XIDIndonesiaSep 8, 2026+1 dayX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
XSAAustraliaSep 9, 2026+2 daysX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
ACRGhanaSep 9, 2026+2 daysX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
AFGAfghanistanSep 9, 2026+2 daysX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
AFRAfricaSep 9, 2026+2 daysX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
DKRSenegalSep 9, 2026+2 daysX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
ECTNigeriaSep 9, 2026+2 daysX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
EGYEgyptSep 9, 2026+2 daysX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
ILOIsraelSep 9, 2026+2 daysX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
KSASaudi ArabiaSep 9, 2026+2 daysX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
LYSLibyaSep 9, 2026+2 daysX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
MIDMiddle EastSep 9, 2026+2 daysX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
MWDMoroccoSep 9, 2026+2 daysX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
PAKPakistanSep 9, 2026+2 daysX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
TUNTunisiaSep 9, 2026+2 daysX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
XFASouth AfricaSep 9, 2026+2 daysX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
XFVSouth Africa (Vodacom)Sep 9, 2026+2 daysX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
XSGUnited Arab EmiratesSep 9, 2026+2 daysX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
INSIndiaSep 11, 2026+4 daysX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
SLKSri LankaSep 11, 2026+4 daysX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
MM1Singapore (M1)Sep 13, 2026+6 daysX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
SINSingapore (Singtel)Sep 13, 2026+6 daysX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
STHSingapore (StarHub)Sep 13, 2026+6 daysX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
XSPSingaporeSep 13, 2026+6 daysX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
BRITaiwanSep 15, 2026+8 daysX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4
TGYHong KongSep 15, 2026+8 daysX936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4

Download and release notes

samloader download -m SM-X936B -r EUX -v X936BXXS8BZH4/X936BOXM8BZH4/X936BXXS8BZH4

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 X936BXXS8BZH4.