X926BXXSBDZI2 – Galaxy Tab S10 Ultra 5G firmware

Build X926BXXSBDZI2 is a security update for the Galaxy Tab S10 Ultra 5G (SM-X926B) on Android 16 (One UI 8). It first appeared on Samsung's servers on Sep 27, 2026 (method) and has reached 36 regions so far. It raises the bootloader bit from 10 to 11: once installed, the device no longer accepts firmware with bit 10 or lower, so a downgrade to X926BXXSADZH1 is blocked. Samsung still serves this file.

Model
SM-X926B
Android
Android 16
Type
Security
Bootloader bit
11
First released
Sep 27, 2026
Regions
36

Rollout timeline by region

The date each region code (CSC) first received X926BXXSBDZI2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
TURTurkeySep 27, 2026day 0X926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
EUXEurope (Multi-CSC)Sep 27, 2026day 0X926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
EUYEurope (Multi-CSC)Sep 27, 2026day 0X926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
TELAustralia (Telstra)Sep 27, 2026day 0X926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
XSAAustraliaSep 27, 2026day 0X926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
XXVVietnamSep 27, 2026day 0X926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
INSIndiaSep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
CAUCaucasusSep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
SKZKazakhstanSep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
ACRGhanaSep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
AFGAfghanistanSep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
AFRAfricaSep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
DKRSenegalSep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
ECTNigeriaSep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
EGYEgyptSep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
KSASaudi ArabiaSep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
LYSLibyaSep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
MIDMiddle EastSep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
MWDMoroccoSep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
PAKPakistanSep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
TUNTunisiaSep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
XFASouth AfricaSep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
XFVSouth Africa (Vodacom)Sep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
XSGUnited Arab EmiratesSep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
MM1Singapore (M1)Sep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
SINSingapore (Singtel)Sep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
STHSingapore (StarHub)Sep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
THLThailandSep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
XMEMalaysiaSep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
XNZNew ZealandSep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
XSPSingaporeSep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
XTCPhilippinesSep 28, 2026+1 dayX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
XIDIndonesiaSep 28, 2026+1 dayX926BXXSBDZI2/X926BOLEBDZI2/X926BXXSBDZI2
ILOIsraelOct 6, 2026+9 daysX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
BRITaiwanOct 14, 2026+17 daysX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2
TGYHong KongOct 14, 2026+17 daysX926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2

Download and release notes

samloader download -m SM-X926B -r EUX -v X926BXXSBDZI2/X926BOXMBDZI2/X926BXXSBDZI2

Samsung's release notes and security patch level for this update: SM-X926B / EUX on doc.samsungmobile.com. What each part of the build number means: decode X926BXXSBDZI2.