M476BXXS3AZH3 – Galaxy M47 5G firmware
Build M476BXXS3AZH3 is a security update for the Galaxy M47 5G (SM-M476B)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Sep 16, 2026 (method) and has reached
1 region so far. It raises the bootloader bit from 2 to 3: once installed, the device no longer accepts firmware with bit 2 or lower, so a downgrade to M476BXXU2AZH2 is blocked. Samsung still serves this file.
- Model
- SM-M476B
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 3
- First released
- Sep 16, 2026
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received M476BXXS3AZH3, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
INS | India | Sep 16, 2026 | day 0 | M476BXXS3AZH3/M476BODM3AZH3/M476BXXS3AZH3 |
Download and release notes
samloader download -m SM-M476B -r INS -v M476BXXS3AZH3/M476BODM3AZH3/M476BXXS3AZH3Samsung's release notes and security patch level for this update: SM-M476B / INS on doc.samsungmobile.com. What each part of the build number means: decode M476BXXS3AZH3.