X810ZCS6EZF1 – Galaxy Tab S9+ firmware
Build X810ZCS6EZF1 is a security update for the Galaxy Tab S9+ (SM-X810)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Jul 7, 2026 (method) and has reached
1 region so far. It keeps bootloader bit 6, so downgrading to the previous build X810XXS6EZF1 is still possible. Samsung still serves this file.
- Model
- SM-X810
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 6
- First released
- Jul 7, 2026
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received X810ZCS6EZF1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
CHN | China | Jul 7, 2026 | day 0 | X810ZCS6EZF1/X810CHN6EZF1/X810ZCS6EZF1 |
Download and release notes
samloader download -m SM-X810 -r CHN -v X810ZCS6EZF1/X810CHN6EZF1/X810ZCS6EZF1
Samsung's release notes and security patch level for this update: SM-X810 / CHN on doc.samsungmobile.com. What each part of the build number means: decode X810ZCS6EZF1.