X806BXXSAEZB6 – Galaxy Tab S8+ firmware

Build X806BXXSAEZB6 is a security update for the Galaxy Tab S8+ (SM-X806B) on Android 16 (One UI 8). It first appeared on Samsung's servers on Mar 9, 2026 (method) and has reached 41 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 X806BXXS9EZA3 is blocked. Samsung still serves this file.

Model
SM-X806B
Android
Android 16
Type
Security
Bootloader bit
10
First released
Mar 9, 2026
Regions
41

Rollout timeline by region

The date each region code (CSC) first received X806BXXSAEZB6, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
XIDIndonesiaMar 9, 2026day 0X806BXXSAEZB6/X806BOLEAEZB6/X806BXXSAEZB6
CAUCaucasusMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
EGYEgyptMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
EUXEurope (Multi-CSC)Mar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
EUYEurope (Multi-CSC)Mar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
KSASaudi ArabiaMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
MIDMiddle EastMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
MYMMyanmarMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
SEKUkraineMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
SERRussiaMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
SKZKazakhstanMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
THLThailandMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
TUNTunisiaMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
XMEMalaysiaMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
XSGUnited Arab EmiratesMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
XTCPhilippinesMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
XXVVietnamMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
ACRGhanaMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
AFRAfricaMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
DKRSenegalMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
ECTNigeriaMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
ILOIsraelMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
MM1Singapore (M1)Mar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
MWDMoroccoMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
SINSingapore (Singtel)Mar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
STHSingapore (StarHub)Mar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
XFASouth AfricaMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
XFESouth AfricaMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
XFVSouth Africa (Vodacom)Mar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
XNZNew ZealandMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
XSPSingaporeMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
BVOBoliviaMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
CHOChileMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
GTOGuatemalaMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
UPOUruguayMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
ZTOBrazilMar 9, 2026day 0X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
TELAustralia (Telstra)Mar 10, 2026+1 dayX806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
XSAAustraliaMar 10, 2026+1 dayX806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
INUIndiaMar 10, 2026+1 dayX806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
BRITaiwanMar 12, 2026+3 daysX806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6
TGYHong KongMar 12, 2026+3 daysX806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6

Download and release notes

samloader download -m SM-X806B -r EUX -v X806BXXSAEZB6/X806BOXMAEZB6/X806BXXSAEZB6

Samsung's release notes and security patch level for this update: SM-X806B / EUX on doc.samsungmobile.com. What each part of the build number means: decode X806BXXSAEZB6.