X900XXUBEZJ3 – Galaxy Tab S8 Ultra firmware

Build X900XXUBEZJ3 is a feature update for the Galaxy Tab S8 Ultra (SM-X900) on Android 16 (One UI 8). It first appeared on Samsung's servers on Oct 25, 2026 (method) and has reached 11 regions so far. It keeps bootloader bit 11, so downgrading to the previous build X900ZCSBEZH3 is still possible. Samsung still serves this file.

Model
SM-X900
Android
Android 16
Type
Feature
Bootloader bit
11
First released
Oct 25, 2026
Regions
11

Rollout timeline by region

The date each region code (CSC) first received X900XXUBEZJ3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
KOOSouth KoreaOct 25, 2026day 0X900XXUBEZJ3/X900OXMBEZJ3/X900XXUBEZJ3
CAUCaucasusNov 2, 2026+8 daysX900XXUBEZJ3/X900OXMBEZJ3/X900XXUBEZJ3
EUXEurope (Multi-CSC)Nov 2, 2026+8 daysX900XXUBEZJ3/X900OXMBEZJ3/X900XXUBEZJ3
EUYEurope (Multi-CSC)Nov 2, 2026+8 daysX900XXUBEZJ3/X900OXMBEZJ3/X900XXUBEZJ3
ILOIsraelNov 2, 2026+8 daysX900XXUBEZJ3/X900OXMBEZJ3/X900XXUBEZJ3
SERRussiaNov 2, 2026+8 daysX900XXUBEZJ3/X900OXMBEZJ3/X900XXUBEZJ3
TURTurkeyNov 2, 2026+8 daysX900XXUBEZJ3/X900OXMBEZJ3/X900XXUBEZJ3
XSGUnited Arab EmiratesNov 2, 2026+8 daysX900XXUBEZJ3/X900OXMBEZJ3/X900XXUBEZJ3
MXOMexicoNov 4, 2026+10 daysX900XXUBEZJ3/X900OXMBEZJ3/X900XXUBEZJ3
BRITaiwanNov 9, 2026+15 daysX900XXUBEZJ3/X900OXMBEZJ3/X900XXUBEZJ3
TGYHong KongNov 9, 2026+15 daysX900XXUBEZJ3/X900OXMBEZJ3/X900XXUBEZJ3

Download and release notes

samloader download -m SM-X900 -r EUX -v X900XXUBEZJ3/X900OXMBEZJ3/X900XXUBEZJ3

Samsung's release notes and security patch level for this update: SM-X900 / EUX on doc.samsungmobile.com. What each part of the build number means: decode X900XXUBEZJ3.