X620XXSBCZI2 – Galaxy Tab S10 FE+ firmware

Build X620XXSBCZI2 is a security update for the Galaxy Tab S10 FE+ (SM-X620) on Android 16 (One UI 8). It first appeared on Samsung's servers on Sep 21, 2026 (method) and has reached 18 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 X620ZCSACZH6 is blocked. Samsung still serves this file.

Model
SM-X620
Android
Android 16
Type
Security
Bootloader bit
11
First released
Sep 21, 2026
Regions
18

Rollout timeline by region

The date each region code (CSC) first received X620XXSBCZI2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
KOOSouth KoreaSep 21, 2026day 0X620XXSBCZI2/X620OXMBCZI2/X620XXSBCZI2
EUXEurope (Multi-CSC)Sep 27, 2026+6 daysX620XXSBCZI2/X620OXMBCZI2/X620XXSBCZI2
EUYEurope (Multi-CSC)Sep 27, 2026+6 daysX620XXSBCZI2/X620OXMBCZI2/X620XXSBCZI2
MXOMexicoSep 28, 2026+7 daysX620XXSBCZI2/X620OXMBCZI2/X620XXSBCZI2
ZTOBrazilSep 28, 2026+7 daysX620XXSBCZI2/X620OXMBCZI2/X620XXSBCZI2
CAUCaucasusSep 28, 2026+7 daysX620XXSBCZI2/X620OXMBCZI2/X620XXSBCZI2
SERRussiaSep 28, 2026+7 daysX620XXSBCZI2/X620OXMBCZI2/X620XXSBCZI2
XIDIndonesiaSep 28, 2026+7 daysX620XXSBCZI2/X620OLMBCZI2/X620XXSBCZI2
XSPSingaporeSep 28, 2026+7 daysX620XXSBCZI2/X620OLMBCZI2/X620XXSBCZI2
INSIndiaSep 29, 2026+8 daysX620XXSBCZI2/X620OXMBCZI2/X620XXSBCZI2
XACCanadaSep 29, 2026+8 daysX620XXSBCZI2/X620OXMBCZI2/X620XXSBCZI2
XARUSA (Cellular South)Sep 29, 2026+8 daysX620XXSBCZI2/X620OXMBCZI2/X620XXSBCZI2
XJPJapanOct 1, 2026+10 daysX620XXSBCZI2/X620OXMBCZI2/X620XXSBCZI2
TURTurkeyOct 7, 2026+16 daysX620XXSBCZI2/X620OXMBCZI2/X620XXSBCZI2
ILOIsraelOct 7, 2026+16 daysX620XXSBCZI2/X620OJMBCZI2/X620XXSBCZI2
XSGUnited Arab EmiratesOct 7, 2026+16 daysX620XXSBCZI2/X620OJMBCZI2/X620XXSBCZI2
BRITaiwanOct 14, 2026+23 daysX620XXSBCZI2/X620OXMBCZI2/X620XXSBCZI2
TGYHong KongOct 14, 2026+23 daysX620XXSBCZI2/X620OXMBCZI2/X620XXSBCZI2

Download and release notes

samloader download -m SM-X620 -r EUX -v X620XXSBCZI2/X620OXMBCZI2/X620XXSBCZI2

Samsung's release notes and security patch level for this update: SM-X620 / EUX on doc.samsungmobile.com. What each part of the build number means: decode X620XXSBCZI2.