X920XXS9DZG1 – Galaxy Tab S10 Ultra firmware

Build X920XXS9DZG1 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 Jul 26, 2026 (method) and has reached 17 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 X920ZCS8DZF2 is blocked. Samsung still serves this file.

Model
SM-X920
Android
Android 16
Type
Security
Bootloader bit
9
First released
Jul 26, 2026
Regions
17

Rollout timeline by region

The date each region code (CSC) first received X920XXS9DZG1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
KOOSouth KoreaJul 26, 2026day 0X920XXS9DZG1/X920OXM9DZG1/X920XXS9DZG1
EUXEurope (Multi-CSC)Jul 29, 2026+3 daysX920XXS9DZG1/X920OXM9DZG1/X920XXS9DZG1
EUYEurope (Multi-CSC)Jul 29, 2026+3 daysX920XXS9DZG1/X920OXM9DZG1/X920XXS9DZG1
INSIndiaAug 2, 2026+7 daysX920XXS9DZG1/X920OXM9DZG1/X920XXS9DZG1
XACCanadaAug 2, 2026+7 daysX920XXS9DZG1/X920OXM9DZG1/X920XXS9DZG1
XARUSA (Cellular South)Aug 2, 2026+7 daysX920XXS9DZG1/X920OXM9DZG1/X920XXS9DZG1
CAUCaucasusAug 4, 2026+9 daysX920XXS9DZG1/X920OXM9DZG1/X920XXS9DZG1
ILOIsraelAug 4, 2026+9 daysX920XXS9DZG1/X920OXM9DZG1/X920XXS9DZG1
TURTurkeyAug 4, 2026+9 daysX920XXS9DZG1/X920OXM9DZG1/X920XXS9DZG1
XSGUnited Arab EmiratesAug 4, 2026+9 daysX920XXS9DZG1/X920OXM9DZG1/X920XXS9DZG1
XIDIndonesiaAug 4, 2026+9 daysX920XXS9DZG1/X920OLE9DZG1/X920XXS9DZG1
XSPSingaporeAug 4, 2026+9 daysX920XXS9DZG1/X920OXM9DZG1/X920XXS9DZG1
MXOMexicoAug 4, 2026+9 daysX920XXS9DZG1/X920OXM9DZG1/X920XXS9DZG1
ZTOBrazilAug 4, 2026+9 daysX920XXS9DZG1/X920OXM9DZG1/X920XXS9DZG1
XJPJapanAug 6, 2026+11 daysX920XXS9DZG1/X920OXM9DZG1/X920XXS9DZG1
TGYHong KongAug 12, 2026+17 daysX920XXS9DZG1/X920OXM9DZG1/X920XXS9DZG1
BRITaiwanAug 12, 2026+17 daysX920XXS9DZG1/X920OXM9DZG1/X920XXS9DZG1

Download and release notes

samloader download -m SM-X920 -r EUX -v X920XXS9DZG1/X920OXM9DZG1/X920XXS9DZG1

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 X920XXS9DZG1.