X110XXUBDZI1 – Galaxy Tab A9 firmware

Build X110XXUBDZI1 is a feature update for the Galaxy Tab A9 (SM-X110) on Android 16 (One UI 8). It first appeared on Samsung's servers on Oct 6, 2026 (method) and has reached 11 regions so far. It raises the bootloader bit from 7 to 11: once installed, the device no longer accepts firmware with bit 7 or lower, so a downgrade to X110XXS7CZH4 is blocked. Samsung still serves this file.

Model
SM-X110
Android
Android 16
Type
Feature
Bootloader bit
11
First released
Oct 6, 2026
Regions
11

Rollout timeline by region

The date each region code (CSC) first received X110XXUBDZI1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
KOOSouth KoreaOct 6, 2026day 0X110XXUBDZI1/X110KOOBDZI1/X110XXUBDZI1
CAUCaucasusOct 12, 2026+6 daysX110XXUBDZI1/X110OXEBDZI1/X110XXUBDZI1
EUXEurope (Multi-CSC)Oct 12, 2026+6 daysX110XXUBDZI1/X110OXMBDZI1/X110XXUBDZI1
EUYEurope (Multi-CSC)Oct 12, 2026+6 daysX110XXUBDZI1/X110OXMBDZI1/X110XXUBDZI1
SEKUkraineOct 12, 2026+6 daysX110XXUBDZI1/X110OXEBDZI1/X110XXUBDZI1
TGYHong KongOct 14, 2026+8 daysX110XXUBDZI1/X110TGYBDZI1/X110XXUBDZI1
MXOMexicoOct 14, 2026+8 daysX110XXUBDZI1/X110OWOBDZI1/X110XXUBDZI1
ZTOBrazilOct 14, 2026+8 daysX110XXUBDZI1/X110OWOBDZI1/X110XXUBDZI1
BRITaiwanOct 15, 2026+9 daysX110XXUBDZI1/X110BRIBDZI1/X110XXUBDZI1
XIDIndonesiaOct 18, 2026+12 daysX110XXUBDZI1/X110OLEBDZI1/X110XXUBDZI1
XSPSingaporeOct 18, 2026+12 daysX110XXUBDZI1/X110OLMBDZI1/X110XXUBDZI1

Download and release notes

samloader download -m SM-X110 -r EUX -v X110XXUBDZI1/X110OXMBDZI1/X110XXUBDZI1

Samsung's release notes and security patch level for this update: SM-X110 / EUX on doc.samsungmobile.com. What each part of the build number means: decode X110XXUBDZI1.