X916BXXS6DZB6 – Galaxy Tab S9 Ultra 5G firmware

Build X916BXXS6DZB6 is a security update for the Galaxy Tab S9 Ultra 5G (SM-X916B) on Android 16 (One UI 8). It first appeared on Samsung's servers on Mar 8, 2026 (method) and has reached 37 regions so far. It raises the bootloader bit from 5 to 6: once installed, the device no longer accepts firmware with bit 5 or lower, so a downgrade to X916BXXS5DZA1 is blocked. Samsung still serves this file.

Model
SM-X916B
Android
Android 16
Type
Security
Bootloader bit
6
First released
Mar 8, 2026
Regions
37

Rollout timeline by region

The date each region code (CSC) first received X916BXXS6DZB6, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
XIDIndonesiaMar 8, 2026day 0X916BXXS6DZB6/X916BOLE6DZB6/X916BXXS6DZB6
INSIndiaMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
ACRGhanaMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
AFRAfricaMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
CAUCaucasusMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
DKRSenegalMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
ECTNigeriaMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
EGYEgyptMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
EUXEurope (Multi-CSC)Mar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
EUYEurope (Multi-CSC)Mar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
ILOIsraelMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
KSASaudi ArabiaMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
LYSLibyaMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
MIDMiddle EastMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
MM1Singapore (M1)Mar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
MWDMoroccoMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
PAKPakistanMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
SEKUkraineMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
SERRussiaMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
SINSingapore (Singtel)Mar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
SKZKazakhstanMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
STHSingapore (StarHub)Mar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
THLThailandMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
TUNTunisiaMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
XFASouth AfricaMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
XFESouth AfricaMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
XFVSouth Africa (Vodacom)Mar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
XMEMalaysiaMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
XNZNew ZealandMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
XSGUnited Arab EmiratesMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
XSPSingaporeMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
XTCPhilippinesMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
XXVVietnamMar 8, 2026day 0X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
BRITaiwanMar 10, 2026+2 daysX916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
TGYHong KongMar 10, 2026+2 daysX916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
TELAustralia (Telstra)Mar 10, 2026+2 daysX916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6
XSAAustraliaMar 10, 2026+2 daysX916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6

Download and release notes

samloader download -m SM-X916B -r EUX -v X916BXXS6DZB6/X916BOXM6DZB6/X916BXXS6DZB6

Samsung's release notes and security patch level for this update: SM-X916B / EUX on doc.samsungmobile.com. What each part of the build number means: decode X916BXXS6DZB6.