X526BXXSBCZI2 – Galaxy Tab S10 FE 5G firmware

Build X526BXXSBCZI2 is a security update for the Galaxy Tab S10 FE 5G (SM-X526B) on Android 16 (One UI 8). It first appeared on Samsung's servers on Sep 27, 2026 (method) and has reached 44 regions so far. It raises the bootloader bit from 10 to 11: once installed, the device no longer accepts firmware with bit 10 or lower, so a downgrade to X526BXXSACZH6 is blocked. Samsung still serves this file.

Model
SM-X526B
Android
Android 16
Type
Security
Bootloader bit
11
First released
Sep 27, 2026
Regions
44

Rollout timeline by region

The date each region code (CSC) first received X526BXXSBCZI2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
MM1Singapore (M1)Sep 27, 2026day 0X526BXXSBCZI2/X526BOLMBCZI2/X526BXXSBCZI2
SINSingapore (Singtel)Sep 27, 2026day 0X526BXXSBCZI2/X526BOLMBCZI2/X526BXXSBCZI2
STHSingapore (StarHub)Sep 27, 2026day 0X526BXXSBCZI2/X526BOLMBCZI2/X526BXXSBCZI2
THLThailandSep 27, 2026day 0X526BXXSBCZI2/X526BOLMBCZI2/X526BXXSBCZI2
XIDIndonesiaSep 27, 2026day 0X526BXXSBCZI2/X526BOLMBCZI2/X526BXXSBCZI2
XMEMalaysiaSep 27, 2026day 0X526BXXSBCZI2/X526BOLMBCZI2/X526BXXSBCZI2
XNZNew ZealandSep 27, 2026day 0X526BXXSBCZI2/X526BOLMBCZI2/X526BXXSBCZI2
XSAAustraliaSep 27, 2026day 0X526BXXSBCZI2/X526BOLMBCZI2/X526BXXSBCZI2
XSPSingaporeSep 27, 2026day 0X526BXXSBCZI2/X526BOLMBCZI2/X526BXXSBCZI2
XTCPhilippinesSep 27, 2026day 0X526BXXSBCZI2/X526BOLMBCZI2/X526BXXSBCZI2
XXVVietnamSep 27, 2026day 0X526BXXSBCZI2/X526BOLMBCZI2/X526BXXSBCZI2
CAUCaucasusSep 27, 2026day 0X526BXXSBCZI2/X526BOXMBCZI2/X526BXXSBCZI2
EUXEurope (Multi-CSC)Sep 27, 2026day 0X526BXXSBCZI2/X526BOXMBCZI2/X526BXXSBCZI2
EUYEurope (Multi-CSC)Sep 27, 2026day 0X526BXXSBCZI2/X526BOXMBCZI2/X526BXXSBCZI2
SKZKazakhstanSep 27, 2026day 0X526BXXSBCZI2/X526BOXMBCZI2/X526BXXSBCZI2
TURTurkeySep 27, 2026day 0X526BXXSBCZI2/X526BOXMBCZI2/X526BXXSBCZI2
AFRAfricaSep 28, 2026+1 dayX526BXXSBCZI2/X526BOJMBCZI2/X526BXXSBCZI2
DKRSenegalSep 28, 2026+1 dayX526BXXSBCZI2/X526BOJMBCZI2/X526BXXSBCZI2
ECTNigeriaSep 28, 2026+1 dayX526BXXSBCZI2/X526BOJMBCZI2/X526BXXSBCZI2
EGYEgyptSep 28, 2026+1 dayX526BXXSBCZI2/X526BOJMBCZI2/X526BXXSBCZI2
KSASaudi ArabiaSep 28, 2026+1 dayX526BXXSBCZI2/X526BOJMBCZI2/X526BXXSBCZI2
LYSLibyaSep 28, 2026+1 dayX526BXXSBCZI2/X526BOJMBCZI2/X526BXXSBCZI2
MIDMiddle EastSep 28, 2026+1 dayX526BXXSBCZI2/X526BOJMBCZI2/X526BXXSBCZI2
MWDMoroccoSep 28, 2026+1 dayX526BXXSBCZI2/X526BOJMBCZI2/X526BXXSBCZI2
ACRGhanaSep 28, 2026+1 dayX526BXXSBCZI2/X526BOJMBCZI2/X526BXXSBCZI2
AFGAfghanistanSep 28, 2026+1 dayX526BXXSBCZI2/X526BOJMBCZI2/X526BXXSBCZI2
PAKPakistanSep 28, 2026+1 dayX526BXXSBCZI2/X526BOJMBCZI2/X526BXXSBCZI2
TUNTunisiaSep 28, 2026+1 dayX526BXXSBCZI2/X526BOJMBCZI2/X526BXXSBCZI2
XFASouth AfricaSep 28, 2026+1 dayX526BXXSBCZI2/X526BOJMBCZI2/X526BXXSBCZI2
XFVSouth Africa (Vodacom)Sep 28, 2026+1 dayX526BXXSBCZI2/X526BOJMBCZI2/X526BXXSBCZI2
XSGUnited Arab EmiratesSep 28, 2026+1 dayX526BXXSBCZI2/X526BOJMBCZI2/X526BXXSBCZI2
GTOGuatemalaSep 29, 2026+2 daysX526BXXSBCZI2/X526BOXMBCZI2/X526BXXSBCZI2
MXOMexicoSep 29, 2026+2 daysX526BXXSBCZI2/X526BOXMBCZI2/X526BXXSBCZI2
PEOPeruSep 29, 2026+2 daysX526BXXSBCZI2/X526BOXMBCZI2/X526BXXSBCZI2
TCEMexico (Telcel)Sep 29, 2026+2 daysX526BXXSBCZI2/X526BOWABCZI2/X526BXXSBCZI2
TPAPanamaSep 29, 2026+2 daysX526BXXSBCZI2/X526BOXMBCZI2/X526BXXSBCZI2
UPOUruguaySep 29, 2026+2 daysX526BXXSBCZI2/X526BOXMBCZI2/X526BXXSBCZI2
UYOUruguaySep 29, 2026+2 daysX526BXXSBCZI2/X526BOXMBCZI2/X526BXXSBCZI2
ZTOBrazilSep 29, 2026+2 daysX526BXXSBCZI2/X526BOXMBCZI2/X526BXXSBCZI2
INSIndiaSep 29, 2026+2 daysX526BXXSBCZI2/X526BOXMBCZI2/X526BXXSBCZI2
SLKSri LankaSep 29, 2026+2 daysX526BXXSBCZI2/X526BOXMBCZI2/X526BXXSBCZI2
ILOIsraelOct 6, 2026+9 daysX526BXXSBCZI2/X526BOJMBCZI2/X526BXXSBCZI2
BRITaiwanOct 15, 2026+18 daysX526BXXSBCZI2/X526BOXMBCZI2/X526BXXSBCZI2
TGYHong KongOct 15, 2026+18 daysX526BXXSBCZI2/X526BOXMBCZI2/X526BXXSBCZI2

Download and release notes

samloader download -m SM-X526B -r EUX -v X526BXXSBCZI2/X526BOXMBCZI2/X526BXXSBCZI2

Samsung's release notes and security patch level for this update: SM-X526B / EUX on doc.samsungmobile.com. What each part of the build number means: decode X526BXXSBCZI2.