X620XXSACZH6 – Galaxy Tab S10 FE+ firmware

Build X620XXSACZH6 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 Aug 30, 2026 (method) and has reached 18 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 X620XXS9CZG3 is blocked. Samsung still serves this file.

Model
SM-X620
Android
Android 16
Type
Security
Bootloader bit
10
First released
Aug 30, 2026
Regions
18

Rollout timeline by region

The date each region code (CSC) first received X620XXSACZH6, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
KOOSouth KoreaAug 30, 2026day 0X620XXSACZH6/X620OXMACZH6/X620XXSACZH6
EUXEurope (Multi-CSC)Sep 7, 2026+8 daysX620XXSACZH6/X620OXMACZH6/X620XXSACZH6
EUYEurope (Multi-CSC)Sep 7, 2026+8 daysX620XXSACZH6/X620OXMACZH6/X620XXSACZH6
ILOIsraelSep 7, 2026+8 daysX620XXSACZH6/X620OJMACZH6/X620XXSACZH6
XSGUnited Arab EmiratesSep 7, 2026+8 daysX620XXSACZH6/X620OJMACZH6/X620XXSACZH6
XIDIndonesiaSep 7, 2026+8 daysX620XXSACZH6/X620OLMACZH6/X620XXSACZH6
XSPSingaporeSep 7, 2026+8 daysX620XXSACZH6/X620OLMACZH6/X620XXSACZH6
TURTurkeySep 7, 2026+8 daysX620XXSACZH6/X620OXMACZH6/X620XXSACZH6
XACCanadaSep 8, 2026+9 daysX620XXSACZH6/X620OXMACZH6/X620XXSACZH6
XARUSA (Cellular South)Sep 8, 2026+9 daysX620XXSACZH6/X620OXMACZH6/X620XXSACZH6
CAUCaucasusSep 8, 2026+9 daysX620XXSACZH6/X620OXMACZH6/X620XXSACZH6
SERRussiaSep 8, 2026+9 daysX620XXSACZH6/X620OXMACZH6/X620XXSACZH6
INSIndiaSep 11, 2026+12 daysX620XXSACZH6/X620OXMACZH6/X620XXSACZH6
XJPJapanSep 14, 2026+15 daysX620XXSACZH6/X620OXMACZH6/X620XXSACZH6
BRITaiwanSep 15, 2026+16 daysX620XXSACZH6/X620OXMACZH6/X620XXSACZH6
TGYHong KongSep 15, 2026+16 daysX620XXSACZH6/X620OXMACZH6/X620XXSACZH6
MXOMexicoSep 15, 2026+16 daysX620XXSACZH6/X620OXMACZH6/X620XXSACZH6
ZTOBrazilSep 15, 2026+16 daysX620XXSACZH6/X620OXMACZH6/X620XXSACZH6

Download and release notes

samloader download -m SM-X620 -r EUX -v X620XXSACZH6/X620OXMACZH6/X620XXSACZH6

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 X620XXSACZH6.