S947BXXS3AZF4 – Galaxy S26+ firmware
Build S947BXXS3AZF4 is a security update for the Galaxy S26+ (SM-S947B)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Jun 24, 2026 (method) and has reached
1 region so far. It keeps bootloader bit 3, so downgrading to the previous build S947BXXS3AZF1 is still possible. Samsung still serves this file.
- Model
- SM-S947B
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 3
- First released
- Jun 24, 2026
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received S947BXXS3AZF4, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
XID | Indonesia | Jun 24, 2026 | day 0 | S947BXXS3AZF4/S947BOXM3AZF4/S947BXXS3AZF4 |
Download and release notes
samloader download -m SM-S947B -r XID -v S947BXXS3AZF4/S947BOXM3AZF4/S947BXXS3AZF4Samsung's release notes and security patch level for this update: SM-S947B / XID on doc.samsungmobile.com. What each part of the build number means: decode S947BXXS3AZF4.