S9280ZCS6DZJ1 – Galaxy S24 Ultra firmware
Build S9280ZCS6DZJ1 is a security update for the Galaxy S24 Ultra (SM-S9280)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Nov 3, 2026 (method) and has reached
1 region so far. It keeps bootloader bit 6, so downgrading to the previous build S9280ZHS6EZJ1 is still possible. Samsung still serves this file.
- Model
- SM-S9280
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 6
- First released
- Nov 3, 2026
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received S9280ZCS6DZJ1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
CHC | China | Nov 3, 2026 | day 0 | S9280ZCS6DZJ1/S9280CHC6DZJ1/S9280ZCS6DZJ1 |
Download and release notes
samloader download -m SM-S9280 -r CHC -v S9280ZCS6DZJ1/S9280CHC6DZJ1/S9280ZCS6DZJ1Samsung's release notes and security patch level for this update: SM-S9280 / CHC on doc.samsungmobile.com. What each part of the build number means: decode S9280ZCS6DZJ1.