X518UVLSEEZF1 – Galaxy Tab S9 FE firmware
Build X518UVLSEEZF1 is a security update for the Galaxy Tab S9 FE (SM-X518U)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Jul 20, 2026 (method) and has reached
5 regions so far. It keeps bootloader bit 14, so downgrading to the previous build X518USQSEEZF1 is still possible. Samsung still serves this file.
- Model
- SM-X518U
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 14
- First released
- Jul 20, 2026
- Regions
- 5
Rollout timeline by region
The date each region code (CSC) first received X518UVLSEEZF1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
XAC | Canada | Jul 20, 2026 | day 0 | X518UVLSEEZF1/X518UOYVEEZF1/X518UVLSEEZF1 |
TLS | Canada (Telus) | Jul 20, 2026 | day 0 | X518UVLSEEZF1/X518UOYVEEZF1/X518UVLSEEZF1 |
FMC | Canada (Fido) | Jul 20, 2026 | day 0 | X518UVLSEEZF1/X518UOYVEEZF1/X518UVLSEEZF1 |
KDO | Canada (Koodo) | Jul 20, 2026 | day 0 | X518UVLSEEZF1/X518UOYVEEZF1/X518UVLSEEZF1 |
RWC | Canada (Rogers) | Jul 20, 2026 | day 0 | X518UVLSEEZF1/X518UOYVEEZF1/X518UVLSEEZF1 |
Download and release notes
samloader download -m SM-X518U -r XAC -v X518UVLSEEZF1/X518UOYVEEZF1/X518UVLSEEZF1Samsung's release notes and security patch level for this update: SM-X518U / XAC on doc.samsungmobile.com. What each part of the build number means: decode X518UVLSEEZF1.