X920XXSADZH1 – Galaxy Tab S10 Ultra firmware

Build X920XXSADZH1 is a security update for the Galaxy Tab S10 Ultra (SM-X920) on Android 16 (One UI 8). It first appeared on Samsung's servers on Aug 30, 2026 (method) and has reached 17 regions so far. It raises the bootloader bit from 9 to 10: once installed, the device no longer accepts firmware with bit 9 or lower, so a downgrade to X920XXS9DZG1 is blocked. Samsung still serves this file.

Model
SM-X920
Android
Android 16
Type
Security
Bootloader bit
10
First released
Aug 30, 2026
Regions
17

Rollout timeline by region

The date each region code (CSC) first received X920XXSADZH1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
KOOSouth KoreaAug 30, 2026day 0X920XXSADZH1/X920OXMADZH1/X920XXSADZH1
EUXEurope (Multi-CSC)Sep 7, 2026+8 daysX920XXSADZH1/X920OXMADZH1/X920XXSADZH1
EUYEurope (Multi-CSC)Sep 7, 2026+8 daysX920XXSADZH1/X920OXMADZH1/X920XXSADZH1
CAUCaucasusSep 7, 2026+8 daysX920XXSADZH1/X920OXMADZH1/X920XXSADZH1
ILOIsraelSep 7, 2026+8 daysX920XXSADZH1/X920OXMADZH1/X920XXSADZH1
TURTurkeySep 7, 2026+8 daysX920XXSADZH1/X920OXMADZH1/X920XXSADZH1
XSGUnited Arab EmiratesSep 7, 2026+8 daysX920XXSADZH1/X920OXMADZH1/X920XXSADZH1
INSIndiaSep 7, 2026+8 daysX920XXSADZH1/X920OXMADZH1/X920XXSADZH1
XACCanadaSep 7, 2026+8 daysX920XXSADZH1/X920OXMADZH1/X920XXSADZH1
XARUSA (Cellular South)Sep 7, 2026+8 daysX920XXSADZH1/X920OXMADZH1/X920XXSADZH1
XIDIndonesiaSep 13, 2026+14 daysX920XXSADZH1/X920OLEADZH1/X920XXSADZH1
XSPSingaporeSep 13, 2026+14 daysX920XXSADZH1/X920OXMADZH1/X920XXSADZH1
XJPJapanSep 14, 2026+15 daysX920XXSADZH1/X920OXMADZH1/X920XXSADZH1
BRITaiwanSep 14, 2026+15 daysX920XXSADZH1/X920OXMADZH1/X920XXSADZH1
TGYHong KongSep 15, 2026+16 daysX920XXSADZH1/X920OXMADZH1/X920XXSADZH1
MXOMexicoSep 21, 2026+22 daysX920XXSADZH1/X920OXMADZH1/X920XXSADZH1
ZTOBrazilSep 21, 2026+22 daysX920XXSADZH1/X920OXMADZH1/X920XXSADZH1

Download and release notes

samloader download -m SM-X920 -r EUX -v X920XXSADZH1/X920OXMADZH1/X920XXSADZH1

Samsung's release notes and security patch level for this update: SM-X920 / EUX on doc.samsungmobile.com. What each part of the build number means: decode X920XXSADZH1.