X510XXSDEZF1 – Galaxy Tab S9 FE firmware

Build X510XXSDEZF1 is a security update for the Galaxy Tab S9 FE (SM-X510) on Android 16 (One UI 8). It first appeared on Samsung's servers on Jun 24, 2026 (method) and has reached 17 regions so far. It raises the bootloader bit from 12 to 13: once installed, the device no longer accepts firmware with bit 12 or lower, so a downgrade to X510ZCUCEZE4 is blocked. Samsung still serves this file.

Model
SM-X510
Android
Android 16
Type
Security
Bootloader bit
13
First released
Jun 24, 2026
Regions
17

Rollout timeline by region

The date each region code (CSC) first received X510XXSDEZF1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
KOOSouth KoreaJun 24, 2026day 0X510XXSDEZF1/X510OXMDEZF1/X510XXSDEZF1
CAUCaucasusJun 29, 2026+5 daysX510XXSDEZF1/X510OXMDEZF1/X510XXSDEZF1
EUXEurope (Multi-CSC)Jun 29, 2026+5 daysX510XXSDEZF1/X510OXMDEZF1/X510XXSDEZF1
EUYEurope (Multi-CSC)Jun 29, 2026+5 daysX510XXSDEZF1/X510OXMDEZF1/X510XXSDEZF1
ILOIsraelJun 29, 2026+5 daysX510XXSDEZF1/X510OJMDEZF1/X510XXSDEZF1
SEKUkraineJun 29, 2026+5 daysX510XXSDEZF1/X510OXMDEZF1/X510XXSDEZF1
TURTurkeyJun 29, 2026+5 daysX510XXSDEZF1/X510OJMDEZF1/X510XXSDEZF1
XIDIndonesiaJun 29, 2026+5 daysX510XXSDEZF1/X510OLEDEZF1/X510XXSDEZF1
XSGUnited Arab EmiratesJun 29, 2026+5 daysX510XXSDEZF1/X510OJMDEZF1/X510XXSDEZF1
MXOMexicoJul 2, 2026+8 daysX510XXSDEZF1/X510OXMDEZF1/X510XXSDEZF1
ZTOBrazilJul 2, 2026+8 daysX510XXSDEZF1/X510OXMDEZF1/X510XXSDEZF1
XSPSingaporeJul 5, 2026+11 daysX510XXSDEZF1/X510OLMDEZF1/X510XXSDEZF1
INSIndiaJul 5, 2026+11 daysX510XXSDEZF1/X510OXMDEZF1/X510XXSDEZF1
XARUSA (Cellular South)Jul 5, 2026+11 daysX510XXSDEZF1/X510OXMDEZF1/X510XXSDEZF1
XACCanadaJul 5, 2026+11 daysX510XXSDEZF1/X510OXMDEZF1/X510XXSDEZF1
BRITaiwanJul 6, 2026+12 daysX510XXSDEZF1/X510OXMDEZF1/X510XXSDEZF1
TGYHong KongJul 6, 2026+12 daysX510XXSDEZF1/X510OXMDEZF1/X510XXSDEZF1

Download and release notes

samloader download -m SM-X510 -r EUX -v X510XXSDEZF1/X510OXMDEZF1/X510XXSDEZF1

Samsung's release notes and security patch level for this update: SM-X510 / EUX on doc.samsungmobile.com. What each part of the build number means: decode X510XXSDEZF1.